Dragonflies
and Damselflies
4. Checklist -- Dragonflies and Damselflies of Patuxent Research Refuge -- PDF
5. Checklist of the Dragonflies and Damselflies of the Potomac River Corridor
and Associated Wetlands -- C&O National Historical Park -- PDF
6. Checklist of the Dragonflies and Damselflies of Rock Creek Park -- PDF
PHOTOGRAPHS OF MARYLAND & WASHINGTON D.C. DRAGONFLIES & DAMSELFIES
          (All photographs are the property of Richard Orr)

DRAGONFLIES:                                                                                               DAMSELFLIES:

Gray Petaltail                                                                                                       Broad-winged Damselflies

Clubtails (exuvia and larvae)                                                                            Spreadwinged Damselflies

Clubtails (Genera in old Gomphus)                                                                 Pond Damselflies: Genus Argia
(Gomphurus, Hylogomphus, Phanogomphus, Stenogomphurus)

Clubtails (Genus Ophiogomphus)                                                                    Pond Damselflies: Genus Nehalennia

Clubtails (Ophiogomphus susbehcha)                                                            Pond Damselflies: Genus Enallagma

Clubtails (Genus Stylurus)                                                                                Pond Damselflies: Genus Enallagma - 2

Clubtails (Other Genera)                                                                                    Pond Damselflies: Genus Ischnura

Darners (exuvia and larvae)                                                                              Pond Damselflies: Other Genera

Darners (Genus Anax)

Darners (Genera Aeshna & Rhionaeschna)

Darners (Other Genera)

Spiketails (larvae and adults)

Cruisers

Emeralds (Genera Epicordulia & Tetragoneuria)

Emeralds (Genus Somatochlora)

Emeralds (Other Genera)

Skimmers (Genus Leucorrhinia)

Skimmers (Genus Libellula)

Skimmers (Genus Celithemis)

Skimmers (Genus Sympetrum)

Skimmers (Genus Tramea)

Skimmers (Other Genera)
RECORDS, CHECKLISTS AND REPORTS OF MARYLAND/DC
DRAGONFLIES  AND DAMSELFLIES
7. Checklist of the Dragonflies and Damselflies of the Patuxent River Corridor
from the North End of Jug Bay to South End of Merkle Wildlife Sanctuary
(Anne Arundel and Prince George's Counties, Maryland) -- PDF
8. Checklist of the Dragonflies, Damselflies, Butterflies and Skippers of
Assateague Island National Seashore -- PDF
3. Dragonflies & Damselflies -- MD Counties & District Records Table
as of end of 2019 -- PDF
10. Report on the Dragonflies and Damselflies, Significant Non-Target Insects
Likely to be Affected by West Nile Virus Management in the National Capital
Parks -- Covers the Potomac River from Washington D.C. to Antietam Creek
including Rock Creek Park, C&O Canal National Historical Park and Harpers
Ferry National Historical Park (2002-2004) -- PDF
11. Report on Dragonflies and Damselflies of the 116 mile Western Section of
the C&O Canal National Historical Park and Potomac River -- including
summery of the odonates of the total C&O Canal National Historical Park
(2012-2014) -- PDF
12. Report on the Dragonflies and Damselflies of Catoctin Mountain Park -- PDF
9. Checklist of the Dragonflies and Damselflies of Soldiers Delight Natural
Environment Area -- PDF
13. Report on the Dragonflies and Damselflies of the National Arboretum and
Aquatic Gardens in Washington D.C. -- PDF
14. Report on the Dragonflies and Damselflies of Cranesville Swamp -- PDF
15. Report on the Dragonflies and Damselflies of Finzel Swamp -- PDF
16. Report on the Dragonflies and Damselflies of Mt. Negro Bog -- PDF
17. Report on the Dragonflies and Damselflies of Mount Nebo Wildlife
Management Area -- PDF
18. Report on the Dragonflies and Damselflies of  Nanjemoy Creek Great Blue
Heron Sanctuary -- PDF
19. Report on the Dragonflies and Damselflies of Jackson Lane (Delmarva
Bay) Preserve 2004 -- PDF
20. Report on the Dragonflies and Damselflies of Jackson Lane (Delmarva
Bay) Preserve 2006 -- PDF
21. Report on the Dragonflies and Damselflies of Cove Point LNG Site
1999 -- PDF
22. Report on the Dragonflies and Damselflies of Cove Point LNG Site
2012 -- PDF