Harford County, Maryland, United States

Aeshna tuberculifera (Black-tipped Darner)
Aeshna umbrosa (Shadow Darner)
Anax junius (Common Green Darner)
Anax longipes (Comet Darner)
Argia fumipennis (Variable Dancer)
Arigomphus villosipes (Unicorn Clubtail)
Boyeria vinosa (Fawn Darner)
Calopteryx maculata (Ebony Jewelwing)
Celithemis elisa (Calico Pennant)
Celithemis eponina (Halloween Pennant)
Cordulegaster bilineata (Brown Spiketail)
Cordulegaster erronea (Tiger Spiketail)
Enallagma carunculatum (Tule Bluet)
Enallagma civile (Familiar Bluet)
Enallagma durum (Big Bluet)
Enallagma geminatum (Skimming Bluet)
Enallagma signatum (Orange Bluet)
Epitheca cynosura (Common Baskettail)
Epitheca princeps (Prince Baskettail)
Erythemis simplicicollis (Eastern Pondhawk)
Ischnura hastata (Citrine Forktail)
Ischnura posita (Fragile Forktail)
Ischnura verticalis (Eastern Forktail)
Lanthus vernalis (Southern Pygmy Clubtail)
Lestes vigilax (Swamp Spreadwing)
Libellula cyanea (Spangled Skimmer)
Libellula incesta (Slaty Skimmer)
Libellula luctuosa (Widow Skimmer)
Libellula pulchella (Twelve-spotted Skimmer)
Libellula vibrans (Great Blue Skimmer)
Macromia illinoiensis (Swift River Cruiser)
Ophiogomphus rupinsulensis (Rusty Snaketail)
Pachydiplax longipennis (Blue Dasher)
Perithemis tenera (Eastern Amberwing)
Phanogomphus exilis (Lancet Clubtail)
Plathemis lydia (Common Whitetail)
Rhionaeschna mutata (Spatterdock Darner)
Stylogomphus albistylus (Eastern Least Clubtail)
Sympetrum rubicundulum (Ruby Meadowhawk)
Tramea carolina (Carolina Saddlebags)
Tramea lacerata (Black Saddlebags)

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