Dragonflies of Maryland & Washington D.C.
DRAGONFLIES OF MARYLAND & WASHINGTON D.C.
Last update February 14, 2021 For the most recent update contact: odonata457@comcast.net)
Petaluridae
1) Tachopteryx thoreyi (Hagen, 1858) -- Gray Petaltail – uncommon -- piedmont and western shore of the coastal plain – restricted to
permanent forest seeps -- recorded from Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, AA, PG, Ct, Ch, SM, and a 1898 record from Rock Creek Park,
Washington D.C.
Gomphidae
2) Arigomphus villosipes (Selys, 1854) -- Unicorn Clubtail – common -- ponds and still water at edges of rivers -- recorded from all
counties in Maryland (except Carroll) and Washington D.C.
3) Dromogomphus spinosus Selys, 1854 -- Black-shouldered Spinyleg – common -- streams and rivers -- recorded from Ga, Al, Wa, Fr,
Cl, Ba, Ha, Ce, Ho, Mo, AA, PG, Ch, SM, Ke, QA, Co, Ta, Do and Washington D.C.
4) Dromogomphus spoliatus (Hagen in Selys, 1858) -- Flag-tailed Spinyleg -- single record in 2007 from Catoctin Mountains in Frederick
County -- reservoirs -- probably a stray
5) Erpetogomphus designatus Hagen, 1858 -- Eastern Ringtail -- Potomac River (uncommon), Patuxent River (rare) and Blairs Valley Lake
(rare) -- recorded from Wa, Fr, Ho, Mo and Washington D.C.
6) Gomphurus fraternus (Say, 1839) -- Midland Clubtail – uncommon -- records from Potomac River from Washington, Montgomery and
Frederick counties; also present on the Nanticoke River where it has been collected in Sussex county, Delaware but currently has not been
recorded downstream in Maryland
7) Gomphurus lineatifrons Calvert, 1921 -- Splendid Clubtail – rare --record from the Potomac River in Allegany, Washington and Frederick
counties -- rivers and streams
8) Gomphurus vastus Walsh, 1862 -- Cobra Clubtail -- Susquehanna and Patapsco rivers (uncommon) and Potomac River and its larger
tributaries (common to abundant) -- recorded from Al, Wa, Fr, Ba, Ha, Ho, Mo, Ch and Washington D.C.
9) Gomphurus ventricosus Walsh, 1863 -- Skillet Clubtail -- historical records from 1914 and 1915 from the Potomac River at Great Falls
(although collected on the Virginia side across from Montgomery county, the Potomac River from which it emerged is owned by Maryland)
10) Hagenius brevistylus Selys, 1854 -- Dragonhunter – common -- rivers and streams -- recorded from all Maryland counties (except
Talbot, Dorchester and Somerset) and Washington D.C.
11) Hylogomphus abbreviatus Hagen, 1878 -- Spine-crowned Clubtail -- uncommon -- recorded from Wa, Fr and Mo on the Potomac River,
from Al and Wa at Sideling Hill Creek and Town Creek and from Ha from Deer Creek.
12) Hylogomphus adelphus Selys, 1858 -- Moustached Clubtail – rare -- recorded from the Casselman River in 2007 in Garrett county
13) Hylogomphus parvidens Currie, 1917 -- Piedmont Clubtail -- historical record from Prince Georges county on the Anacostia River on
22-May-1915
14) Hylogomphus viridifrons Hine, 1901 -- Green-faced Clubtail -- uncommon -- streams and Potomac River of the Valley and Ridge
(Allegany, Washington and Frederick counties) and the Casselman River in Garrett county
15) Lanthus parvulus (Selys, 1854) -- Northern Pygmy Clubtail – rare – streams -- known from Garrett and Allegany counties
16) Lanthus vernalis Carle, 1980 -- Southern Pygmy Clubtail – uncommon – streams -- known from Ga, Wa, Fr, Ha
17) Ophiogomphus howei Bromley, 1924 -- Pygmy Snaketail -- rare -- adult found in 2011 and cast skins found in 2012, 2013 and 2014
along the Potomac River in Allegany and Washington counties
18) Ophiogomphus incurvatus incurvatus Carle, 1982 -- Appalachian Snaketail -- uncommon -- rivers and streams -- recorded from Ba,
Ha, Ho, AA
19) Ophiogomphus mainensis fastigiatus Donnelly 1987 -- Maine Snaketail – rare -- known from the Casselman River in Garrett County
and from Town Creek in Allegany County
20) Ophiogomphus rupinsulensis (Walsh, 1862) -- Rusty Snaketail – common to abundant on upper Potomac River and uncommon on
Deer Creek in Harford County -- recorded from Al, Wa, Ha, Mo
21) Ophiogomphus susbehcha (new subspecies?) -- Chesapeake Snaketail -- rare -- early spring species known from Maryland only from
the Potomac River in Frederick county
22) Phanogomphus descriptus Banks, 1896 -- Harpoon Clubtail – rare -- two location records from Garrett county.
23) Phanogomphus exilis Selys, 1854 -- Lancet Clubtail -- common -- widespread -- still or slow-moving water -- recorded from all
Maryland counties (except Carroll and Calvert) and Washington D.C.
24) Phanogomphus lividus Selys, 1854 -- Ashy Clubtail -- common -- widespread -- rivers and streams -- recorded from all Maryland
counties (except Kent and Talbot) and Washington D.C.
25) Phanogomphus quadricolor Walsh, 1863 -- Rapids Clubtail – rare -- streams and rivers – known from Ga, Al, Wa, Fr, Ba, Ha, Ho, Mo
and AA
26) Phanogomphus spicatus Hagen in Selys, 1854 -- Dusky Clubtail -- known from two sites in Garrett County. First found in 2014.
27) Progomphus obscurus (Rambur, 1842) -- Common Sanddragon – uncommon -- piedmont and coastal plain -- rivers and streams --
recorded from Cl, Ba, Ho, Mo, AA, PG, SM, QA, Co, Do, Wi, Wo
28) Stenogomphurus rogersi Gloyd, 1936 -- Sable Clubtail -- rare – -- small streams to rivers -- known from Ga, Fr, Ba, Ha, Ho, AA, PG, Ct,
Ch, SM, QA and Do
29) Stylogomphus albistylus (Hagen in Selys, 1878) -- Eastern Least Clubtail -- rare on Eastern Shore -- uncommon elsewhere -- streams
and rivers -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, AA, Ch, SM, QA, Co, and Washington D.C.
30) Stylurus amnicola (Walsh, 1862) -- Riverine Clubtail -- historical record (17-June-1951) from the Potomac River in Montgomery county
31) Stylurus laurae Williamson, 1932 – Laura’s Clubtail – rare -- Potomac, Patuxent, Patapsco and Choptank Rivers and their tributaries --
recorded from Wa, Fr, Cl, Ba, Ho, Mo, AA, PG, Ct, Co
32) Stylurus plagiatus (Selys, 1854) -- Russet-tipped Clubtail – common -- coastal plain rivers (except along the Potomac River where it
ranges westward to and beyond the Piedmont) -- recorded from Wa, Fr, Ha, Ce, Mo, AA, PG, Ct, Ch, Co, Ta, Do, Wo, and Washington D.C.
33) Stylurus scudderi (Selys, 1873) -- Zebra Clubtail – rare -- known only from Garrett county – streams
34) Stylurus spiniceps (Walsh, 1862) -- Arrow Clubtail -- -- rivers -- common -- recorded from Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, AA, PG and
Washington D.C.
Aeshnidae
35) Aeshna canadensis Walker, 1908 -- Canada Darner – uncommon -- ponds and bogs -- recorded from Garrett county
36) Aeshna constricta Say, 1839 -- Lance-tailed Darner -- one historical record -- marshes -- location unknown
37) Aeshna tuberculifera Walker, 1908 -- Black-tipped Darner -- uncommon -- bogs and ponds – records from Ga, Wa, Fr, Ha, and Ho
counties -- two historical records from Prince Georges county (both in 1916)
38) Aeshna umbrosa Walker, 1908 -- Shadow Darner -- common – slow flowing streams -- recorded from Ga, Al, Wa, Fr, Ba, Ha, Ce, Ho,
Mo, AA, PG, Ct, Ch, Ke, Co, Wo and Washington D.C.
39) Aeshna verticalis Hagen, 1861 -- Green-striped Darner -- Ga (uncommon), Al, Wa, Fr, Mo, AA, (rare) &.PG (historical) – marshes
40) Anax junius (Drury, 1770) -- Common Green Darner -- common to abundant -- still or slow-moving water -- recorded from all Maryland
counties and Washington D.C.
41) Anax longipes Hagen, 1861 -- Comet Darner -- uncommon -- ponds -- recorded from all Maryland counties and Washington D.C.
42) Basiaeschna janata (Say, 1939) -- Springtime Darner -- uncommon – streams and rivers -- recorded from all Maryland counties
(except Carroll, Baltimore, Harford)
43) Boyeria grafiana Williamson, 1907 -- Ocellated Darner -- rare except along Muddy Creek in Garrett county where it is uncommon -- one
historical record for Baltimore county -- rivers and streams -- Ga, Al, Wa and Ba
44) Boyeria vinosa (Say, 1839) -- Fawn Darner -- common -- rivers and streams -- recorded from all Maryland counties (except Talbot and
Somerset) and Washington D.C.
45) Epiaeschna heros (Fabricius, 1798) -- Swamp Darner -- common -- swamps -- recorded from all Maryland counties and Washington D.
C.
46) Gomphaeschna antilope (Hagen, 1874) -- Taper-tailed Darner -- rare -- bogs -- recorded from Ba, AA, Ct, Co, Wi, Wo, and Washington
D.C. (historical record)
47) Gomphaeschna furcillata (Say, 1839) -- Harlequin Darner – uncommon -- swamps and bogs -- recorded from Al, Wa, Fr, Ha, Ce, Mo,
AA, PG, Ct, Ch, SM, Ke, QA, Co, Do, Wi, Wo
48) Nasiaeschna pentacantha (Rambur, 1842) -- Cyrano Darner – uncommon -- still or slow moving water -- recorded from Al, Wa, Fr, Ba,
Ce, Ho, Mo, AA, PG, Ct, Ch, SM, Ke, QA, Co, Wi, Wo and Washington D.C.
49) Rhionaeschna mutata Hagen, 1861 -- Spatterdock Darner – rare -- records from Ga, Wa, Fr, Ha, AA, PG but currently only three sites
one in Garrett, one in Washington and one in Frederick counties are known to maintain populations – ponds
Cordulegastridae
50) Cordulegaster bilineata Carle, 1983 -- Brown Spiketail – uncommon – streams -- Wa, Fr, Ba, Ce, Ha, Ho, Mo, AA, PG, Ct, Ch, SM and
Washington D.C.
51) Cordulegaster diastatops Selys, 1854 -- Delta-spotted Spiketail -- Garrett and Allegany counties (uncommon) and Queen Annes and
Worcester counties (Rare) – streams -- (note - old Washington D.C. record probably C. bilineata)
52) Cordulegaster erronea Hagen in Selys, 1878 -- Tiger Spiketail – rare to uncommon -- streams -- recorded from Ga, Wa, Fr, Ba, Ha, Ce,
Ho, Mo, PG, Ct, Ch, SM, Co, and Washington D.C.
53) Cordulegaster maculata Selys, 1854 --Twin-spotted Spiketail -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ce, Ho,
Mo, AA, PG, Ct, Ch, SM, QA, Co, Do, Wo, and Washington D.C.
54) Cordulegaster obliqua (Say, 1839) -- Arrowhead Spiketail -- rare -- streams -- both subspecies occur in Maryland -- C. o. obliqua
recorded from Ga, Al, Wa, Ba, Mo, AA, PG, Ct, Ch, SM, Ke, Co, and Washington D.C. (historical record pre-1921) and C. o. fasciata from a
single site in Charles county
Macromiidae
55) Didymops transversa (Say, 1839) -- Stream Cruiser -- common -- streams and rivers -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ho, Mo, AA,
PG, Ct, Ch, SM, Ke, QA, Co, Wi, Wo and Washington D.C.
56) Macromia alleghaniensis Williamson, 1909 -- Allegheny River Cruiser – rare -- Western Maryland with a few records from the Piedmont
-- recorded from Al, Wa, Fr, Mo
57) Macromia illinoiensis Walsh, 1862 -- Swift River Cruiser -- 57a) Macromia illinoiensis illinoiensis (Walsh, 1862) -- Illinois River Cruiser
-- common -- western Maryland to the Piedmont/Coastal plain interface where it readily interbreeds with M. i. georgina -- full subspecies
recorded from Al, Wa, Fr, Ba, Ha, Ce and Washington D.C. -- Ho, AA, PG ( mostly intergrades) -- Mo (mostly intergrades along lower
Patuxent River, full subspecies along Potomac River) -- 57b) Macromia illinoiensis georgina (Selys, 1878) -- Georgia River Cruiser --
common -- eastern Maryland to the Piedmont/Coastal plain interface where it readily interbreeds with M. i. illinoiensis -- recorded from Ho
(intergrades), Mo (intergrades), AA (mostly intergrades), PG (mostly intergrades), and full subspecies from Ch, SM, QA, Co, Ta, Do, Wi, Wo
and Washington D.C.
58) Macromia taeniolata Rambur, 1842 -- Royal River Cruiser – uncommon -- rivers and streams -- recorded from Wa, Ba, Mo, PG, Co, Wi,
Wo, and two records for Washington D.C (1907 & 2020)
Corduliidae
59) Cordulia shurtleffii Scudder, 1866 -- American Emerald – uncommon -- -- bogs and ponds in the mountains -- Ga, Al, Wa, Fr counties
60) Dorocordulia lepida (Hagen in Selys, 1871) -- Petite Emerald -- – bogs -- historical record from Montgomery county
61) Dorocordulia libera (Selys, 1871) -- Racket-tailed Emerald -- rare -- bogs -- single 2020 record from Garrett county
62) Epitheca canis McLachlan, 1886 -- Beaverpond Baskettail – common -- ponds -- Garrett county
63) Epitheca costalis Selys, 1871 (form williamsoni) -- Slender Baskettail -- rare -- ponds -- recorded from Ce, Ho, AA, PG, QA counties (old
Charles county record was in error)
64) Epitheca cynosura (Say, 1839) -- Common Baskettail -- abundant -- still or slow-moving water -- recorded from all Maryland counties
(except Carroll and Talbot) and Washington D.C. -- On occasion this species hybridizes with T. costalis (Howard) and T. spinosa (Anne
Arundel)
65) Epitheca princeps (Hagen, 1861) -- Prince Baskettail – uncommon to common -- large open ponds, lakes, slow moving rivers --
reported from all Maryland counties (except Wicomico, Somerset) and Washington D.C.
66) Epitheca semiaquea (Burmeister, 1839) -- Mantled Baskettail -- – bogs -- historical record from Prince Georges county (1954)
67) Epitheca spinosa (Hagen, 1878) -- Robust Baskettail – uncommon -- coastal plain inland into Piedmont only along the Potomac flood
plain -- swamps with slow moving water -- recorded from Fr, AA, PG, Ch, Co, Wo
68) Helocordulia selysii (Hagen in Selys, 1878) – Selys’ Sundragon – uncommon -- coastal plain -- streams -- recorded from AA, PG, Ch
and Co
69) Helocordulia uhleri (Selys, 1871) – Uhler’s Sundragon -- uncommon -- streams -- recorded from Al, Wa, PG, Ch
70) Neurocordulia obsoleta (Say, 1839) -- Umber Shadowdragon – common -- streams & rivers -- records from Al, Wa, Fr, Ba, Ha, Ce, Ho,
Mo, QA, Co and Washington D.C.
71) Neurocordulia yamaskanensis (Provancher, 1875) -- Stygian Shadowdragon – common -- known from Al, Wa, Fr, Ha, Ce, Mo – all from
the Potomac River except for one record from Sideling Hill Creek and several records from Susquehanna River
72) Somatochlora elongata (Scudder, 1866) -- Ski-tipped Emerald – rare -- one historical record (Montgomery County ?) and current
records from Garrett and Allegany counties
73) Somatochlora filosa (Hagen, 1861) -- Fine-lined Emerald – rare -- coastal plain -- fresh water marshes -- recorded from Ce, AA, PG, Ct,
Ch, Ke, Co, Do, Wi, Wo, and Washington D.C. (historical record, 1921)
74) Somatochlora georgiana Walker, 1925 -- Coppery Emerald -- rare -- first found in 2010 – known from in Caroline, Wicomico and
Worcester counties
75) Somatochlora linearis (Hagen, 1861) -- Mocha Emerald -- uncommon -- forested streams -- recorded from Ga, Al, Wa, Fr, Ba, Ha, Ce,
Ho, Mo, AA, PG, Ct, Ch, SM, Co, Ke, Wi, So, Wo, and Washington D.C.
76) Somatochlora provocans Calvert, 1903 -- Treetop Emerald – rare – bog rivulets? -- recorded from Anne Arundel, Prince Georges,
Calvert, Charles, St. Mary's and Caroline counties
77) Somatochlora tenebrosa (Say, 1839) -- Clamp-tipped Emerald -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Ba, Ha, Ce,
Ho, Mo, AA, PG, Ct, Ch, SM, Ke, QA, Co and Washington D.C.
78) Somatochlora walshii (Scudder, 1866) -- Brush-tipped Emerald -- rare -- -- bog streams -- known only from two sites in Garrett county
Libellulidae
79) Brachymesia gravida (Calvert, 1890) -- Four-spotted Pennant -- uncommon -- slightly brackish water -- recorded from AA, PG, Ct, Ch,
SM, Ke, QA, Ta, Do, So, Wo
80) Celithemis bertha Williamson, 1922 -- Red-veined Pennant -- rare -- lakes -- known from St. Mary's Lake in Saint Mary’s county since
2014 and a single male from Liberty Lake in Carroll County in 2020
81) Celithemis elisa (Hagen, 1861) -- Calico Pennant -- common -- marshes -- recorded from all Maryland counties, but not yet recorded
from Washington D.C.
82) Celithemis eponina (Drury, 1773) -- Halloween Pennant -- common -- marshes – known from all Maryland counties and Washington D.
C.
83) Celithemis fasciata Kirby, 1889 -- Banded Pennant -- uncommon -- marshes -- recorded from Ga, Al, Fr, Ba, Ha, Ho, Mo, AA, PG, Ct, Ch,
SM, Co, Do, Wo
84) Celithemis martha Williamson, 1922 – Martha’s Pennant – rare (historic?) – marshes – known from Anne Arundel, Prince Georges
and Worcester counties
85) Celithemis ornata (Rambur, 1842) -- Ornate Pennant -- rare -- marshes -- -- Anne Arundel county -- In Maryland this species was
known from only one site where hybrids with C. martha occurred. Ornate Pennant has not been seen in Maryland for over 25 years
86) Celithemis verna Pritchard, 1935 -- Double-ringed Pennant -- coastal plain (common) and piedmont (rare) -- marshes – recorded from
Fr, Ce, Mo, AA, PG, Ct, Ch, Ke, QA, Co, Wo
87) Dythemis velox Hagen, 1861 -- Swift Setwing -- rare -- ponds -- recorded in 2020 from Washington D.C.
88) Erythemis simplicicollis (Say, 1839) -- Common Pondhawk -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
89) Erythrodiplax berenice (Drury, 1770) -- Seaside Dragonlet -- brackish water sites on the coastal plain – common to abundant --
recorded for Ba, AA, PG, Ct, Ch, SM, Ke, QA, Co, Ta, Do, Wi, So, Wo, and Washington D.C. (historical record, 1899)
90) Erythrodiplax minuscula (Rambur, 1842) -- Little Blue Dragonlet -- uncommon -- ponds -- recorded from Ga, Fr, Mo, AA, PG, Ct, Ch, Co
91) Ladona deplanata (Rambur, 1842) -- Blue Corporal -- coastal plain and blue ridge mountains (abundant), uncommon elsewhere --
ponds -- recorded from all Maryland counties (expect Cl, Ha, Ta) and Washington D.C.
92) Ladona exusta (Say, 1839) -- White Corporal -- rare – bogs-- Anne Arundel County
93) Ladona julia (Uhler, 1857) -- Chalk-fronted Corporal -- common in bogs in Garrett county, also known from ponds on top of the Blue
Ridge Mountains in Frederick county -- single 2020 record from Montgomery county -- historical records from Baltimore and Anne Arundel
counties
94) Leucorrhinia frigida Hagen, 1890 -- Frosted Whiteface -- rare -- 2007 record from a pond in the Blue Ridge Mountains in Frederick
county and a 2008 record from North Cherry creek bog in Garrett county
95) Leucorrhinia glacialis Hagen, 1890 -- Crimson-ringed Whiteface -- rare – bogs -- Garrett county
96) Leucorrhinia hudsonica (Selys, 1850) -- Hudsonian Whiteface -- rare – bogs -- Garrett county
97) Leucorrhinia intacta (Hagen, 1861) -- Dot-tailed Whiteface – uncommon – bogs and ponds -- Garrett, Allegany and Frederick counties
plus two historical records in Baltimore County
98) Libellula auripennis Burmeister, 1839 -- Golden-winged Skimmer -- uncommon -- ponds -- recorded from Ga, Fr, Ce, Ho, Mo, AA, PG,
Ct, Ch, Ke and Washington D.C.
99) Libellula axilena Westwood, 1837 -- Bar-winged Skimmer -- uncommon -- temporary pools and edges of ponds -- recorded from Ga,
Wa, Fr, Cl, Ha, Ce, Ho, Mo, AA, PG, Ct, Ch, SM, QA, Co, Do, Wi, Wo
100) Libellula cyanea Fabricius, 1775 -- Spangled Skimmer -- abundant -- ponds -- recorded from all Maryland counties and Washington D.
C.
101) Libellula flavida Rambur, 1842 -- Yellow-sided Skimmer – uncommon -- bogs and grassy seeps -- recorded from Ga, Wa, Fr, Ba, Ce,
Ho, Mo, AA, PG, Ct, Ch, SM, Co and Washington D.C. (historical record, 1899)
102) Libellula incesta Hagen, 1861 -- Slaty Skimmer -- common -- ponds -- recorded from all Maryland counties (except Garrett) and
Washington D.C.
103) Libellula luctuosa Burmeister, 1839 -- Widow Skimmer -- common -- ponds -- recorded from all Maryland counties and Washington D.
C.
104) Libellula needhami Westfall, 1943 – Needham’s Skimmer -- coastal plain (common), uncommon on the piedmont -- still and slow
moving water -- recorded from Fr, Ba, Ha, Ce, Ho, AA, PG, Ct, Ch, SM, Ke, QA, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
105) Libellula pulchella Drury, 1770 -- Twelve-spotted Skimmer -- common -- fresh to degraded temporary or semi-temporary ponds --
recorded from all Maryland counties and Washington D.C.
106) Libellula quadrimaculata Linnaeus, 1758 -- Four-spotted Skimmer -- single Maryland historical record (county unknown) -- probably a
stray
107) Libellula semifasciata Burmeister, 1839 -- Painted Skimmer -- common -- marshy edges of ponds -- recorded from all Maryland
counties and Washington D.C.
108) Libellula vibrans Fabricius, 1793 -- Great Blue Skimmer -- common -- still or slow-moving water – known from all Maryland counties
(except Somerset) and Washington D.C.
109) Macrodiplax balteata Hagen, 1861 -- single record August 6, 2019 from Somerset county – stray
110) Miathyria marcella (Selys in Sagra, 1856) -- Greater Hyacinth Glider -- single male collected in Howard county in 1999 – ponds --
probably a stray
111) Nannothemis bella Uhler, 1857 -- Elfin Skimmer – rare – acidic bogs – Fr, AA, PG, Co
112) Orthemis ferruginea Fabricius, 1775) -- Roseate Skimmer -- -- ponds -- one male photographed in Baltimore county in 2017, two
males seen with one male photographed in Howard county in 1999 -- single male observed at the National Arboretum in Washington, D.C.
in 1998 -- probably strays
113) Pachydiplax longipennis (Burmeister, 1839) -- Blue Dasher -- abundant -- still and slow-moving water -- recorded from all counties in
Maryland and Washington D.C.
114) Pantala flavescens (Fabricius, 1798) -- Wandering Glider -- common -- shallow or temporary ponds -- recorded from all Maryland
counties (except Washington) and Washington D.C.
115) Pantala hymenaea (Say, 1839) -- Spot-winged Glider -- common -- shallow or temporary ponds --recorded from all Maryland counties
(expect Carroll and Somerset) and Washington D.C.
116) Perithemis tenera (Say, 1839) -- Eastern Amberwing – common to abundant -- ponds and other still water -- recorded from all
counties in Maryland and Washington D.C.
117) Plathemis lydia (Drury, 1770) -- Common Whitetail -- abundant -- ponds -- recorded from all Maryland counties and Washington D.C.
118) Sympetrum ambiguum (Rambur, 1842) -- Blue-faced Meadowhawk – common -- temporary pools -- recorded from Ga, Wa, Ba, Ha,
Ce, Ho, Mo, AA, PG, Ct, Ch, SM, Ke, QA, Co, Ta, Do, So, Wo and Washington D.C.
119) Sympetrum corruptum (Hagen, 1861) -- Variegated Meadowhawk -- May 12, 2012 record from Prince Georges county, a November
11, 2017 record from Worchester county, April 11, 2020 record from Calvert County, April 19, 2020 record from Harford county and June 24,
2020 record from Kent county – strays
120) Sympetrum internum Montgomery, 1943 -- Cherry-faced Meadowhawk -- rare -- small ponds or pools -- recorded from Al, Fr, Ce, Ho,
Mo (historical), PG and Washington D.C (historical). [NOTE: Sympetrum janeae Carle, 1993 – Jane’s Meadowhawk – is not treated here as
a valid species -- possibly a form of S. internum or hybrid of S. rubicundulum and S. internum]
121) Sympetrum obtrusum (Hagen, 1867) -- White-faced Meadowhawk -- uncommon in Western Maryland becoming rare on the western
shore of the coastal plain -- recorded from Ga, Al, Ba, Ho, Mo, PG
122) Sympetrum rubicundulum (Say, 1839) -- Ruby Meadowhawk -- uncommon except on the eastern shore where rare – small ponds or
pools -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, PG, Co and Washington D.C.
123) Sympetrum semicinctum (Say, 1839) -- Band-winged Meadowhawk – uncommon -- widespread (however not yet recorded from the
eastern shore) -- marshes -- recorded from Ga, Wa, Fr, Ba, Ha, Ce, Ho, AA, PG, and Washington D.C.
124) Sympetrum vicinum (Hagen, 1861) -- Autumn Meadowhawk -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
125) Tramea carolina (Linnaeus, 1763) -- Carolina Saddlebags -- common -- ponds -- recorded from all Maryland counties and
Washington D.C.
126) Tramea darwini Kirby, 1889 -- Striped Saddlebags -- one historical record from Worcester county from August 22, 1976 -- probably a
stray -- old scientific name Tramea calverti.
127) Tramea lacerata Hagen, 1861 -- Black Saddlebags -- common -- ponds -- recorded from all Maryland counties and Washington D.C.
128) Tramea onusta Hagen, 1861 -- Red Saddlebags – rare – Howard, Montgomery, Prince Georges, Calvert and Worcester Counties --
probably strays
Key of Maryland Counties by Physiographic Provinces:
ALLEGHENY PLATEAU: Ga = Garrett
VALLEY AND RIDGE: Al = Allegany, Wa = Washington
PIEDMONT: Fr = Frederick, Cl = Carroll, Ba = Baltimore (including Baltimore City), Ha = Harford, Ce = Cecil, Ho = Howard, Mo = Montgomery
COASTAL PLAIN (Western Shore): AA = Anne Arundel, PG = Prince Georges, Ct = Calvert, Ch= Charles, SM = St. Marys
COASTAL PLAIN (Eastern Shore): Ke = Kent, QA = Queen Annes, Co = Caroline, Ta = Talbot, Do = Dorchester, Wi = Wicomico, So =
Somerset, Wo = Worcester
For additions, corrections or comments please contact Richard Orr odonata457@comcast.net or 5215 Durham Rd - East, Columbia,
Maryland 21044. When submitting additions please provide field data. A collected specimen is often required for new additions; however,
depending upon the species, photographs and/or field notes will be considered.
Last update February 14, 2021 For the most recent update contact: odonata457@comcast.net)
Petaluridae
1) Tachopteryx thoreyi (Hagen, 1858) -- Gray Petaltail – uncommon -- piedmont and western shore of the coastal plain – restricted to
permanent forest seeps -- recorded from Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, AA, PG, Ct, Ch, SM, and a 1898 record from Rock Creek Park,
Washington D.C.
Gomphidae
2) Arigomphus villosipes (Selys, 1854) -- Unicorn Clubtail – common -- ponds and still water at edges of rivers -- recorded from all
counties in Maryland (except Carroll) and Washington D.C.
3) Dromogomphus spinosus Selys, 1854 -- Black-shouldered Spinyleg – common -- streams and rivers -- recorded from Ga, Al, Wa, Fr,
Cl, Ba, Ha, Ce, Ho, Mo, AA, PG, Ch, SM, Ke, QA, Co, Ta, Do and Washington D.C.
4) Dromogomphus spoliatus (Hagen in Selys, 1858) -- Flag-tailed Spinyleg -- single record in 2007 from Catoctin Mountains in Frederick
County -- reservoirs -- probably a stray
5) Erpetogomphus designatus Hagen, 1858 -- Eastern Ringtail -- Potomac River (uncommon), Patuxent River (rare) and Blairs Valley Lake
(rare) -- recorded from Wa, Fr, Ho, Mo and Washington D.C.
6) Gomphurus fraternus (Say, 1839) -- Midland Clubtail – uncommon -- records from Potomac River from Washington, Montgomery and
Frederick counties; also present on the Nanticoke River where it has been collected in Sussex county, Delaware but currently has not been
recorded downstream in Maryland
7) Gomphurus lineatifrons Calvert, 1921 -- Splendid Clubtail – rare --record from the Potomac River in Allegany, Washington and Frederick
counties -- rivers and streams
8) Gomphurus vastus Walsh, 1862 -- Cobra Clubtail -- Susquehanna and Patapsco rivers (uncommon) and Potomac River and its larger
tributaries (common to abundant) -- recorded from Al, Wa, Fr, Ba, Ha, Ho, Mo, Ch and Washington D.C.
9) Gomphurus ventricosus Walsh, 1863 -- Skillet Clubtail -- historical records from 1914 and 1915 from the Potomac River at Great Falls
(although collected on the Virginia side across from Montgomery county, the Potomac River from which it emerged is owned by Maryland)
10) Hagenius brevistylus Selys, 1854 -- Dragonhunter – common -- rivers and streams -- recorded from all Maryland counties (except
Talbot, Dorchester and Somerset) and Washington D.C.
11) Hylogomphus abbreviatus Hagen, 1878 -- Spine-crowned Clubtail -- uncommon -- recorded from Wa, Fr and Mo on the Potomac River,
from Al and Wa at Sideling Hill Creek and Town Creek and from Ha from Deer Creek.
12) Hylogomphus adelphus Selys, 1858 -- Moustached Clubtail – rare -- recorded from the Casselman River in 2007 in Garrett county
13) Hylogomphus parvidens Currie, 1917 -- Piedmont Clubtail -- historical record from Prince Georges county on the Anacostia River on
22-May-1915
14) Hylogomphus viridifrons Hine, 1901 -- Green-faced Clubtail -- uncommon -- streams and Potomac River of the Valley and Ridge
(Allegany, Washington and Frederick counties) and the Casselman River in Garrett county
15) Lanthus parvulus (Selys, 1854) -- Northern Pygmy Clubtail – rare – streams -- known from Garrett and Allegany counties
16) Lanthus vernalis Carle, 1980 -- Southern Pygmy Clubtail – uncommon – streams -- known from Ga, Wa, Fr, Ha
17) Ophiogomphus howei Bromley, 1924 -- Pygmy Snaketail -- rare -- adult found in 2011 and cast skins found in 2012, 2013 and 2014
along the Potomac River in Allegany and Washington counties
18) Ophiogomphus incurvatus incurvatus Carle, 1982 -- Appalachian Snaketail -- uncommon -- rivers and streams -- recorded from Ba,
Ha, Ho, AA
19) Ophiogomphus mainensis fastigiatus Donnelly 1987 -- Maine Snaketail – rare -- known from the Casselman River in Garrett County
and from Town Creek in Allegany County
20) Ophiogomphus rupinsulensis (Walsh, 1862) -- Rusty Snaketail – common to abundant on upper Potomac River and uncommon on
Deer Creek in Harford County -- recorded from Al, Wa, Ha, Mo
21) Ophiogomphus susbehcha (new subspecies?) -- Chesapeake Snaketail -- rare -- early spring species known from Maryland only from
the Potomac River in Frederick county
22) Phanogomphus descriptus Banks, 1896 -- Harpoon Clubtail – rare -- two location records from Garrett county.
23) Phanogomphus exilis Selys, 1854 -- Lancet Clubtail -- common -- widespread -- still or slow-moving water -- recorded from all
Maryland counties (except Carroll and Calvert) and Washington D.C.
24) Phanogomphus lividus Selys, 1854 -- Ashy Clubtail -- common -- widespread -- rivers and streams -- recorded from all Maryland
counties (except Kent and Talbot) and Washington D.C.
25) Phanogomphus quadricolor Walsh, 1863 -- Rapids Clubtail – rare -- streams and rivers – known from Ga, Al, Wa, Fr, Ba, Ha, Ho, Mo
and AA
26) Phanogomphus spicatus Hagen in Selys, 1854 -- Dusky Clubtail -- known from two sites in Garrett County. First found in 2014.
27) Progomphus obscurus (Rambur, 1842) -- Common Sanddragon – uncommon -- piedmont and coastal plain -- rivers and streams --
recorded from Cl, Ba, Ho, Mo, AA, PG, SM, QA, Co, Do, Wi, Wo
28) Stenogomphurus rogersi Gloyd, 1936 -- Sable Clubtail -- rare – -- small streams to rivers -- known from Ga, Fr, Ba, Ha, Ho, AA, PG, Ct,
Ch, SM, QA and Do
29) Stylogomphus albistylus (Hagen in Selys, 1878) -- Eastern Least Clubtail -- rare on Eastern Shore -- uncommon elsewhere -- streams
and rivers -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, AA, Ch, SM, QA, Co, and Washington D.C.
30) Stylurus amnicola (Walsh, 1862) -- Riverine Clubtail -- historical record (17-June-1951) from the Potomac River in Montgomery county
31) Stylurus laurae Williamson, 1932 – Laura’s Clubtail – rare -- Potomac, Patuxent, Patapsco and Choptank Rivers and their tributaries --
recorded from Wa, Fr, Cl, Ba, Ho, Mo, AA, PG, Ct, Co
32) Stylurus plagiatus (Selys, 1854) -- Russet-tipped Clubtail – common -- coastal plain rivers (except along the Potomac River where it
ranges westward to and beyond the Piedmont) -- recorded from Wa, Fr, Ha, Ce, Mo, AA, PG, Ct, Ch, Co, Ta, Do, Wo, and Washington D.C.
33) Stylurus scudderi (Selys, 1873) -- Zebra Clubtail – rare -- known only from Garrett county – streams
34) Stylurus spiniceps (Walsh, 1862) -- Arrow Clubtail -- -- rivers -- common -- recorded from Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, AA, PG and
Washington D.C.
Aeshnidae
35) Aeshna canadensis Walker, 1908 -- Canada Darner – uncommon -- ponds and bogs -- recorded from Garrett county
36) Aeshna constricta Say, 1839 -- Lance-tailed Darner -- one historical record -- marshes -- location unknown
37) Aeshna tuberculifera Walker, 1908 -- Black-tipped Darner -- uncommon -- bogs and ponds – records from Ga, Wa, Fr, Ha, and Ho
counties -- two historical records from Prince Georges county (both in 1916)
38) Aeshna umbrosa Walker, 1908 -- Shadow Darner -- common – slow flowing streams -- recorded from Ga, Al, Wa, Fr, Ba, Ha, Ce, Ho,
Mo, AA, PG, Ct, Ch, Ke, Co, Wo and Washington D.C.
39) Aeshna verticalis Hagen, 1861 -- Green-striped Darner -- Ga (uncommon), Al, Wa, Fr, Mo, AA, (rare) &.PG (historical) – marshes
40) Anax junius (Drury, 1770) -- Common Green Darner -- common to abundant -- still or slow-moving water -- recorded from all Maryland
counties and Washington D.C.
41) Anax longipes Hagen, 1861 -- Comet Darner -- uncommon -- ponds -- recorded from all Maryland counties and Washington D.C.
42) Basiaeschna janata (Say, 1939) -- Springtime Darner -- uncommon – streams and rivers -- recorded from all Maryland counties
(except Carroll, Baltimore, Harford)
43) Boyeria grafiana Williamson, 1907 -- Ocellated Darner -- rare except along Muddy Creek in Garrett county where it is uncommon -- one
historical record for Baltimore county -- rivers and streams -- Ga, Al, Wa and Ba
44) Boyeria vinosa (Say, 1839) -- Fawn Darner -- common -- rivers and streams -- recorded from all Maryland counties (except Talbot and
Somerset) and Washington D.C.
45) Epiaeschna heros (Fabricius, 1798) -- Swamp Darner -- common -- swamps -- recorded from all Maryland counties and Washington D.
C.
46) Gomphaeschna antilope (Hagen, 1874) -- Taper-tailed Darner -- rare -- bogs -- recorded from Ba, AA, Ct, Co, Wi, Wo, and Washington
D.C. (historical record)
47) Gomphaeschna furcillata (Say, 1839) -- Harlequin Darner – uncommon -- swamps and bogs -- recorded from Al, Wa, Fr, Ha, Ce, Mo,
AA, PG, Ct, Ch, SM, Ke, QA, Co, Do, Wi, Wo
48) Nasiaeschna pentacantha (Rambur, 1842) -- Cyrano Darner – uncommon -- still or slow moving water -- recorded from Al, Wa, Fr, Ba,
Ce, Ho, Mo, AA, PG, Ct, Ch, SM, Ke, QA, Co, Wi, Wo and Washington D.C.
49) Rhionaeschna mutata Hagen, 1861 -- Spatterdock Darner – rare -- records from Ga, Wa, Fr, Ha, AA, PG but currently only three sites
one in Garrett, one in Washington and one in Frederick counties are known to maintain populations – ponds
Cordulegastridae
50) Cordulegaster bilineata Carle, 1983 -- Brown Spiketail – uncommon – streams -- Wa, Fr, Ba, Ce, Ha, Ho, Mo, AA, PG, Ct, Ch, SM and
Washington D.C.
51) Cordulegaster diastatops Selys, 1854 -- Delta-spotted Spiketail -- Garrett and Allegany counties (uncommon) and Queen Annes and
Worcester counties (Rare) – streams -- (note - old Washington D.C. record probably C. bilineata)
52) Cordulegaster erronea Hagen in Selys, 1878 -- Tiger Spiketail – rare to uncommon -- streams -- recorded from Ga, Wa, Fr, Ba, Ha, Ce,
Ho, Mo, PG, Ct, Ch, SM, Co, and Washington D.C.
53) Cordulegaster maculata Selys, 1854 --Twin-spotted Spiketail -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ce, Ho,
Mo, AA, PG, Ct, Ch, SM, QA, Co, Do, Wo, and Washington D.C.
54) Cordulegaster obliqua (Say, 1839) -- Arrowhead Spiketail -- rare -- streams -- both subspecies occur in Maryland -- C. o. obliqua
recorded from Ga, Al, Wa, Ba, Mo, AA, PG, Ct, Ch, SM, Ke, Co, and Washington D.C. (historical record pre-1921) and C. o. fasciata from a
single site in Charles county
Macromiidae
55) Didymops transversa (Say, 1839) -- Stream Cruiser -- common -- streams and rivers -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ho, Mo, AA,
PG, Ct, Ch, SM, Ke, QA, Co, Wi, Wo and Washington D.C.
56) Macromia alleghaniensis Williamson, 1909 -- Allegheny River Cruiser – rare -- Western Maryland with a few records from the Piedmont
-- recorded from Al, Wa, Fr, Mo
57) Macromia illinoiensis Walsh, 1862 -- Swift River Cruiser -- 57a) Macromia illinoiensis illinoiensis (Walsh, 1862) -- Illinois River Cruiser
-- common -- western Maryland to the Piedmont/Coastal plain interface where it readily interbreeds with M. i. georgina -- full subspecies
recorded from Al, Wa, Fr, Ba, Ha, Ce and Washington D.C. -- Ho, AA, PG ( mostly intergrades) -- Mo (mostly intergrades along lower
Patuxent River, full subspecies along Potomac River) -- 57b) Macromia illinoiensis georgina (Selys, 1878) -- Georgia River Cruiser --
common -- eastern Maryland to the Piedmont/Coastal plain interface where it readily interbreeds with M. i. illinoiensis -- recorded from Ho
(intergrades), Mo (intergrades), AA (mostly intergrades), PG (mostly intergrades), and full subspecies from Ch, SM, QA, Co, Ta, Do, Wi, Wo
and Washington D.C.
58) Macromia taeniolata Rambur, 1842 -- Royal River Cruiser – uncommon -- rivers and streams -- recorded from Wa, Ba, Mo, PG, Co, Wi,
Wo, and two records for Washington D.C (1907 & 2020)
Corduliidae
59) Cordulia shurtleffii Scudder, 1866 -- American Emerald – uncommon -- -- bogs and ponds in the mountains -- Ga, Al, Wa, Fr counties
60) Dorocordulia lepida (Hagen in Selys, 1871) -- Petite Emerald -- – bogs -- historical record from Montgomery county
61) Dorocordulia libera (Selys, 1871) -- Racket-tailed Emerald -- rare -- bogs -- single 2020 record from Garrett county
62) Epitheca canis McLachlan, 1886 -- Beaverpond Baskettail – common -- ponds -- Garrett county
63) Epitheca costalis Selys, 1871 (form williamsoni) -- Slender Baskettail -- rare -- ponds -- recorded from Ce, Ho, AA, PG, QA counties (old
Charles county record was in error)
64) Epitheca cynosura (Say, 1839) -- Common Baskettail -- abundant -- still or slow-moving water -- recorded from all Maryland counties
(except Carroll and Talbot) and Washington D.C. -- On occasion this species hybridizes with T. costalis (Howard) and T. spinosa (Anne
Arundel)
65) Epitheca princeps (Hagen, 1861) -- Prince Baskettail – uncommon to common -- large open ponds, lakes, slow moving rivers --
reported from all Maryland counties (except Wicomico, Somerset) and Washington D.C.
66) Epitheca semiaquea (Burmeister, 1839) -- Mantled Baskettail -- – bogs -- historical record from Prince Georges county (1954)
67) Epitheca spinosa (Hagen, 1878) -- Robust Baskettail – uncommon -- coastal plain inland into Piedmont only along the Potomac flood
plain -- swamps with slow moving water -- recorded from Fr, AA, PG, Ch, Co, Wo
68) Helocordulia selysii (Hagen in Selys, 1878) – Selys’ Sundragon – uncommon -- coastal plain -- streams -- recorded from AA, PG, Ch
and Co
69) Helocordulia uhleri (Selys, 1871) – Uhler’s Sundragon -- uncommon -- streams -- recorded from Al, Wa, PG, Ch
70) Neurocordulia obsoleta (Say, 1839) -- Umber Shadowdragon – common -- streams & rivers -- records from Al, Wa, Fr, Ba, Ha, Ce, Ho,
Mo, QA, Co and Washington D.C.
71) Neurocordulia yamaskanensis (Provancher, 1875) -- Stygian Shadowdragon – common -- known from Al, Wa, Fr, Ha, Ce, Mo – all from
the Potomac River except for one record from Sideling Hill Creek and several records from Susquehanna River
72) Somatochlora elongata (Scudder, 1866) -- Ski-tipped Emerald – rare -- one historical record (Montgomery County ?) and current
records from Garrett and Allegany counties
73) Somatochlora filosa (Hagen, 1861) -- Fine-lined Emerald – rare -- coastal plain -- fresh water marshes -- recorded from Ce, AA, PG, Ct,
Ch, Ke, Co, Do, Wi, Wo, and Washington D.C. (historical record, 1921)
74) Somatochlora georgiana Walker, 1925 -- Coppery Emerald -- rare -- first found in 2010 – known from in Caroline, Wicomico and
Worcester counties
75) Somatochlora linearis (Hagen, 1861) -- Mocha Emerald -- uncommon -- forested streams -- recorded from Ga, Al, Wa, Fr, Ba, Ha, Ce,
Ho, Mo, AA, PG, Ct, Ch, SM, Co, Ke, Wi, So, Wo, and Washington D.C.
76) Somatochlora provocans Calvert, 1903 -- Treetop Emerald – rare – bog rivulets? -- recorded from Anne Arundel, Prince Georges,
Calvert, Charles, St. Mary's and Caroline counties
77) Somatochlora tenebrosa (Say, 1839) -- Clamp-tipped Emerald -- uncommon -- streams -- recorded from Ga, Al, Wa, Fr, Ba, Ha, Ce,
Ho, Mo, AA, PG, Ct, Ch, SM, Ke, QA, Co and Washington D.C.
78) Somatochlora walshii (Scudder, 1866) -- Brush-tipped Emerald -- rare -- -- bog streams -- known only from two sites in Garrett county
Libellulidae
79) Brachymesia gravida (Calvert, 1890) -- Four-spotted Pennant -- uncommon -- slightly brackish water -- recorded from AA, PG, Ct, Ch,
SM, Ke, QA, Ta, Do, So, Wo
80) Celithemis bertha Williamson, 1922 -- Red-veined Pennant -- rare -- lakes -- known from St. Mary's Lake in Saint Mary’s county since
2014 and a single male from Liberty Lake in Carroll County in 2020
81) Celithemis elisa (Hagen, 1861) -- Calico Pennant -- common -- marshes -- recorded from all Maryland counties, but not yet recorded
from Washington D.C.
82) Celithemis eponina (Drury, 1773) -- Halloween Pennant -- common -- marshes – known from all Maryland counties and Washington D.
C.
83) Celithemis fasciata Kirby, 1889 -- Banded Pennant -- uncommon -- marshes -- recorded from Ga, Al, Fr, Ba, Ha, Ho, Mo, AA, PG, Ct, Ch,
SM, Co, Do, Wo
84) Celithemis martha Williamson, 1922 – Martha’s Pennant – rare (historic?) – marshes – known from Anne Arundel, Prince Georges
and Worcester counties
85) Celithemis ornata (Rambur, 1842) -- Ornate Pennant -- rare -- marshes -- -- Anne Arundel county -- In Maryland this species was
known from only one site where hybrids with C. martha occurred. Ornate Pennant has not been seen in Maryland for over 25 years
86) Celithemis verna Pritchard, 1935 -- Double-ringed Pennant -- coastal plain (common) and piedmont (rare) -- marshes – recorded from
Fr, Ce, Mo, AA, PG, Ct, Ch, Ke, QA, Co, Wo
87) Dythemis velox Hagen, 1861 -- Swift Setwing -- rare -- ponds -- recorded in 2020 from Washington D.C.
88) Erythemis simplicicollis (Say, 1839) -- Common Pondhawk -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
89) Erythrodiplax berenice (Drury, 1770) -- Seaside Dragonlet -- brackish water sites on the coastal plain – common to abundant --
recorded for Ba, AA, PG, Ct, Ch, SM, Ke, QA, Co, Ta, Do, Wi, So, Wo, and Washington D.C. (historical record, 1899)
90) Erythrodiplax minuscula (Rambur, 1842) -- Little Blue Dragonlet -- uncommon -- ponds -- recorded from Ga, Fr, Mo, AA, PG, Ct, Ch, Co
91) Ladona deplanata (Rambur, 1842) -- Blue Corporal -- coastal plain and blue ridge mountains (abundant), uncommon elsewhere --
ponds -- recorded from all Maryland counties (expect Cl, Ha, Ta) and Washington D.C.
92) Ladona exusta (Say, 1839) -- White Corporal -- rare – bogs-- Anne Arundel County
93) Ladona julia (Uhler, 1857) -- Chalk-fronted Corporal -- common in bogs in Garrett county, also known from ponds on top of the Blue
Ridge Mountains in Frederick county -- single 2020 record from Montgomery county -- historical records from Baltimore and Anne Arundel
counties
94) Leucorrhinia frigida Hagen, 1890 -- Frosted Whiteface -- rare -- 2007 record from a pond in the Blue Ridge Mountains in Frederick
county and a 2008 record from North Cherry creek bog in Garrett county
95) Leucorrhinia glacialis Hagen, 1890 -- Crimson-ringed Whiteface -- rare – bogs -- Garrett county
96) Leucorrhinia hudsonica (Selys, 1850) -- Hudsonian Whiteface -- rare – bogs -- Garrett county
97) Leucorrhinia intacta (Hagen, 1861) -- Dot-tailed Whiteface – uncommon – bogs and ponds -- Garrett, Allegany and Frederick counties
plus two historical records in Baltimore County
98) Libellula auripennis Burmeister, 1839 -- Golden-winged Skimmer -- uncommon -- ponds -- recorded from Ga, Fr, Ce, Ho, Mo, AA, PG,
Ct, Ch, Ke and Washington D.C.
99) Libellula axilena Westwood, 1837 -- Bar-winged Skimmer -- uncommon -- temporary pools and edges of ponds -- recorded from Ga,
Wa, Fr, Cl, Ha, Ce, Ho, Mo, AA, PG, Ct, Ch, SM, QA, Co, Do, Wi, Wo
100) Libellula cyanea Fabricius, 1775 -- Spangled Skimmer -- abundant -- ponds -- recorded from all Maryland counties and Washington D.
C.
101) Libellula flavida Rambur, 1842 -- Yellow-sided Skimmer – uncommon -- bogs and grassy seeps -- recorded from Ga, Wa, Fr, Ba, Ce,
Ho, Mo, AA, PG, Ct, Ch, SM, Co and Washington D.C. (historical record, 1899)
102) Libellula incesta Hagen, 1861 -- Slaty Skimmer -- common -- ponds -- recorded from all Maryland counties (except Garrett) and
Washington D.C.
103) Libellula luctuosa Burmeister, 1839 -- Widow Skimmer -- common -- ponds -- recorded from all Maryland counties and Washington D.
C.
104) Libellula needhami Westfall, 1943 – Needham’s Skimmer -- coastal plain (common), uncommon on the piedmont -- still and slow
moving water -- recorded from Fr, Ba, Ha, Ce, Ho, AA, PG, Ct, Ch, SM, Ke, QA, Co, Ta, Do, Wi, So, Wo, and Washington D.C.
105) Libellula pulchella Drury, 1770 -- Twelve-spotted Skimmer -- common -- fresh to degraded temporary or semi-temporary ponds --
recorded from all Maryland counties and Washington D.C.
106) Libellula quadrimaculata Linnaeus, 1758 -- Four-spotted Skimmer -- single Maryland historical record (county unknown) -- probably a
stray
107) Libellula semifasciata Burmeister, 1839 -- Painted Skimmer -- common -- marshy edges of ponds -- recorded from all Maryland
counties and Washington D.C.
108) Libellula vibrans Fabricius, 1793 -- Great Blue Skimmer -- common -- still or slow-moving water – known from all Maryland counties
(except Somerset) and Washington D.C.
109) Macrodiplax balteata Hagen, 1861 -- single record August 6, 2019 from Somerset county – stray
110) Miathyria marcella (Selys in Sagra, 1856) -- Greater Hyacinth Glider -- single male collected in Howard county in 1999 – ponds --
probably a stray
111) Nannothemis bella Uhler, 1857 -- Elfin Skimmer – rare – acidic bogs – Fr, AA, PG, Co
112) Orthemis ferruginea Fabricius, 1775) -- Roseate Skimmer -- -- ponds -- one male photographed in Baltimore county in 2017, two
males seen with one male photographed in Howard county in 1999 -- single male observed at the National Arboretum in Washington, D.C.
in 1998 -- probably strays
113) Pachydiplax longipennis (Burmeister, 1839) -- Blue Dasher -- abundant -- still and slow-moving water -- recorded from all counties in
Maryland and Washington D.C.
114) Pantala flavescens (Fabricius, 1798) -- Wandering Glider -- common -- shallow or temporary ponds -- recorded from all Maryland
counties (except Washington) and Washington D.C.
115) Pantala hymenaea (Say, 1839) -- Spot-winged Glider -- common -- shallow or temporary ponds --recorded from all Maryland counties
(expect Carroll and Somerset) and Washington D.C.
116) Perithemis tenera (Say, 1839) -- Eastern Amberwing – common to abundant -- ponds and other still water -- recorded from all
counties in Maryland and Washington D.C.
117) Plathemis lydia (Drury, 1770) -- Common Whitetail -- abundant -- ponds -- recorded from all Maryland counties and Washington D.C.
118) Sympetrum ambiguum (Rambur, 1842) -- Blue-faced Meadowhawk – common -- temporary pools -- recorded from Ga, Wa, Ba, Ha,
Ce, Ho, Mo, AA, PG, Ct, Ch, SM, Ke, QA, Co, Ta, Do, So, Wo and Washington D.C.
119) Sympetrum corruptum (Hagen, 1861) -- Variegated Meadowhawk -- May 12, 2012 record from Prince Georges county, a November
11, 2017 record from Worchester county, April 11, 2020 record from Calvert County, April 19, 2020 record from Harford county and June 24,
2020 record from Kent county – strays
120) Sympetrum internum Montgomery, 1943 -- Cherry-faced Meadowhawk -- rare -- small ponds or pools -- recorded from Al, Fr, Ce, Ho,
Mo (historical), PG and Washington D.C (historical). [NOTE: Sympetrum janeae Carle, 1993 – Jane’s Meadowhawk – is not treated here as
a valid species -- possibly a form of S. internum or hybrid of S. rubicundulum and S. internum]
121) Sympetrum obtrusum (Hagen, 1867) -- White-faced Meadowhawk -- uncommon in Western Maryland becoming rare on the western
shore of the coastal plain -- recorded from Ga, Al, Ba, Ho, Mo, PG
122) Sympetrum rubicundulum (Say, 1839) -- Ruby Meadowhawk -- uncommon except on the eastern shore where rare – small ponds or
pools -- recorded from Ga, Al, Wa, Fr, Cl, Ba, Ha, Ce, Ho, Mo, PG, Co and Washington D.C.
123) Sympetrum semicinctum (Say, 1839) -- Band-winged Meadowhawk – uncommon -- widespread (however not yet recorded from the
eastern shore) -- marshes -- recorded from Ga, Wa, Fr, Ba, Ha, Ce, Ho, AA, PG, and Washington D.C.
124) Sympetrum vicinum (Hagen, 1861) -- Autumn Meadowhawk -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.
125) Tramea carolina (Linnaeus, 1763) -- Carolina Saddlebags -- common -- ponds -- recorded from all Maryland counties and
Washington D.C.
126) Tramea darwini Kirby, 1889 -- Striped Saddlebags -- one historical record from Worcester county from August 22, 1976 -- probably a
stray -- old scientific name Tramea calverti.
127) Tramea lacerata Hagen, 1861 -- Black Saddlebags -- common -- ponds -- recorded from all Maryland counties and Washington D.C.
128) Tramea onusta Hagen, 1861 -- Red Saddlebags – rare – Howard, Montgomery, Prince Georges, Calvert and Worcester Counties --
probably strays
Key of Maryland Counties by Physiographic Provinces:
ALLEGHENY PLATEAU: Ga = Garrett
VALLEY AND RIDGE: Al = Allegany, Wa = Washington
PIEDMONT: Fr = Frederick, Cl = Carroll, Ba = Baltimore (including Baltimore City), Ha = Harford, Ce = Cecil, Ho = Howard, Mo = Montgomery
COASTAL PLAIN (Western Shore): AA = Anne Arundel, PG = Prince Georges, Ct = Calvert, Ch= Charles, SM = St. Marys
COASTAL PLAIN (Eastern Shore): Ke = Kent, QA = Queen Annes, Co = Caroline, Ta = Talbot, Do = Dorchester, Wi = Wicomico, So =
Somerset, Wo = Worcester
For additions, corrections or comments please contact Richard Orr odonata457@comcast.net or 5215 Durham Rd - East, Columbia,
Maryland 21044. When submitting additions please provide field data. A collected specimen is often required for new additions; however,
depending upon the species, photographs and/or field notes will be considered.