Dragonflies of Maryland & Washington D.C.
ODONATA OF MARYLAND & WASHINGTON D.C.
Last update January 3, 2020                   Additions in 2020 are in
Green


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 only from Finzel Swamp 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, 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, 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

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 -- Garrett (uncommon), Washington (rare), Frederick (rare), Montgomery
(rare), Anne Arundel (rare), and Prince George’s (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, 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, 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 Washington D.C. (historical record 1907)

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) Epitheca canis McLachlan, 1886 -- Beaverpond Baskettail – common -- ponds -- Garrett county

62) 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)

63) 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)

64) 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.

65) Epitheca semiaquea (Burmeister, 1839) -- Mantled Baskettail -- – bogs -- historical record from Prince Georges county (1954)

66) 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

67) Helocordulia selysii (Hagen in Selys, 1878) – Selys’ Sundragon – uncommon -- coastal plain -- streams -- recorded from AA, PG,
Ch and Co

68) Helocordulia uhleri (Selys, 1871) – Uhler’s Sundragon -- uncommon -- streams -- recorded from Al, Wa, PG, Ch

69) Neurocordulia obsoleta (Say, 1839) -- Umber Shadowdragon – common -- Potomac, Sideling Hill, Susquehanna, Patapsco and
Choptank Rivers and Unicorn Creek -- records from Al, Wa, Fr, Ba, Ha, Ce, Ho, Mo, QA, Co and Washington D.C.

70) 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

71) Somatochlora elongata (Scudder, 1866) -- Ski-tipped Emerald – rare -- one historical record (Montgomery County ?) and a few
current records from Garrett County

72) Somatochlora filosa (Hagen, 1861) -- Fine-lined Emerald – rare -- coastal plain -- fresh water marshes -- recorded from Ce, PG, Ct,
Ch, Ke, Co, Do, Wi, Wo, and Washington D.C. (historical record, 1921)

73) Somatochlora georgiana Walker, 1925 -- Coppery Emerald -- rare -- first found in 2010 in Caroline, Wicomico and Worcester
counties

74) 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.

75) Somatochlora provocans Calvert, 1903 -- Treetop Emerald – rare – bog rivulets? -- recorded from Anne Arundel, Prince Georges,
Charles, St. Mary's and Caroline counties

76) 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, QA, Co and Washington D.C.

77) Somatochlora walshii (Scudder, 1866) -- Brush-tipped Emerald -- rare -- -- bog streams -- known only from two sites in Garrett
county


Libellulidae
78) Brachymesia gravida (Calvert, 1890) -- Four-spotted Pennant -- uncommon -- slightly brackish water -- recorded from AA, PG, Ct,
Ch, SM, Ke, QA, Do, So, Wo

79) Celithemis bertha Williamson, 1922 -- Red-veined Pennant -- ponds -- known only from St. Mary's State Park in Saint Mary’s
county first found in 2014

80) Celithemis elisa (Hagen, 1861) -- Calico Pennant -- common -- marshes -- recorded from all Maryland counties

81) Celithemis eponina (Drury, 1773) -- Halloween Pennant -- common -- marshes – known from all Maryland counties and
Washington D.C.

82) 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

83) Celithemis martha Williamson, 1922 – Martha’s Pennant – rare (historic?) – marshes – known from Anne Arundel, Prince
Georges and Worcester counties

84) 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

85) Celithemis verna Pritchard, 1935 -- Double-ringed Pennant -- coastal plain (uncommon) and piedmont (rare) -- marshes --
recorded from Fr, Ce, Mo, AA, PG, Ch, QA, Co, Wo

86) Erythemis simplicicollis (Say, 1839) -- Common Pondhawk -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.

87) 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)

88) Erythrodiplax minuscula (Rambur, 1842) -- Little Blue Dragonlet -- uncommon -- ponds -- recorded from Ga, Fr, Mo, AA, PG, Ct,
Ch, Co

89) 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.

90) Ladona exusta (Say, 1839) -- White Corporal -- rare – bogs-- Anne Arundel County

91) 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 -- historical records from Baltimore and Anne Arundel counties

92) 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

93) Leucorrhinia glacialis Hagen, 1890 -- Crimson-ringed Whiteface -- rare – bogs -- Garrett county

94) Leucorrhinia hudsonica (Selys, 1850) -- Hudsonian Whiteface -- rare – bogs -- Garrett county

95) Leucorrhinia intacta (Hagen, 1861) -- Dot-tailed Whiteface – uncommon – bogs and ponds -- Garrett, Allegany and Frederick
counties plus two historical records in Baltimore County

96) Libellula auripennis Burmeister, 1839 -- Golden-winged Skimmer -- uncommon -- ponds -- recorded from Ga, Fr, Ce, Ho, Mo, AA,
PG, Ct, Ch and Washington D.C.

97) 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

98) Libellula cyanea Fabricius, 1775 -- Spangled Skimmer -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.

99) 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)

100) Libellula incesta Hagen, 1861 -- Slaty Skimmer -- common -- ponds -- recorded from all Maryland counties (except Garrett) and
Washington D.C.

101) Libellula luctuosa Burmeister, 1839 -- Widow Skimmer -- common -- ponds -- recorded from all Maryland counties and
Washington D.C.

102) 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.

103) 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.

104) Libellula quadrimaculata Linnaeus, 1758 -- Four-spotted Skimmer -- single Maryland historical record (county unknown) --
probably a stray

105) Libellula semifasciata Burmeister, 1839 -- Painted Skimmer -- common -- marshy edges of ponds -- recorded from all Maryland
counties and Washington D.C.

106) Libellula vibrans Fabricius, 1793 -- Great Blue Skimmer -- common -- still or slow-moving water – known from all Maryland
counties (except Garrett and Somerset) and Washington D.C.

107) Macrodiplax balteata Hagen, 1861 -- single record August 6, 2019 from Somerset county – stray

108) Miathyria marcella (Selys in Sagra, 1856) -- Greater Hyacinth Glider -- single male collected in Howard county in 1999 – ponds --
probably a stray

109) Nannothemis bella Uhler, 1857 -- Elfin Skimmer – rare – acidic bogs – Fr, AA, PG, Co

110) 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

111) Pachydiplax longipennis (Burmeister, 1839) -- Blue Dasher -- abundant -- still and slow-moving water -- recorded from all
counties in Maryland and Washington D.C.

112) Pantala flavescens (Fabricius, 1798) -- Wandering Glider -- common -- shallow or temporary ponds -- recorded from all Maryland
counties (except Washington) and Washington D.C.

113) 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.

114) Perithemis tenera (Say, 1839) -- Eastern Amberwing – common to abundant -- ponds and other still water -- recorded from all
counties in Maryland and Washington D.C.

115) Plathemis lydia (Drury, 1770) -- Common Whitetail -- abundant -- ponds -- recorded from all Maryland counties and Washington
D.C.

116) 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.

117) Sympetrum corruptum (Hagen, 1861) -- Variegated Meadowhawk -- May 12, 2012 record from Prince Georges county and a
November 11, 2017 record from Worchester county – stray

118) 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]

119) 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

120) 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.

121) 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.

122) Sympetrum vicinum (Hagen, 1861) -- Autumn Meadowhawk -- abundant -- ponds -- recorded from all Maryland counties and
Washington D.C.

123) Tramea calverti Muttkowski, 1910 -- Striped Saddlebags -- one historical record from Worcester county from August 22, 1976 --
probably a stray

124) Tramea carolina (Linnaeus, 1763) -- Carolina Saddlebags -- common -- ponds -- recorded from all Maryland counties and
Washington D.C.

125) Tramea lacerata Hagen, 1861 -- Black Saddlebags -- common -- ponds -- recorded from all Maryland counties and Washington
D.C.

126) 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.
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