Crook County, Wyoming, United States

Aeshna palmata (Paddle-tailed Darner)
Amphiagrion abbreviatum (Western Red Damsel)
Anax junius (Common Green Darner)
Argia apicalis (Blue-fronted Dancer)
Argia emma (Emma's Dancer)
Argia fumipennis (Variable Dancer)
Argia moesta (Powdered Dancer)
Argia vivida (Vivid Dancer)
Arigomphus cornutus (Horned Clubtail)
Calopteryx aequabilis (River Jewelwing)
Calopteryx maculata (Ebony Jewelwing)
Coenagrion resolutum (Taiga Bluet)
Enallagma anna (River Bluet)
Enallagma annexum (Northern Bluet)
Enallagma antennatum (Rainbow Bluet)
Enallagma boreale (Boreal Bluet)
Enallagma civile (Familiar Bluet)
Enallagma clausum (Alkali Bluet)
Enallagma hageni (Hagen's Bluet)
Enallagma praevarum (Arroyo Bluet)
Epitheca petechialis (Dot-winged Baskettail)
Hetaerina americana (American Rubyspot)
Ischnura damula (Plains Forktail)
Ischnura perparva (Western Forktail)
Ischnura verticalis (Eastern Forktail)
Lestes congener (Spotted Spreadwing)
Lestes disjunctus (Northern Spreadwing)
Lestes dryas (Emerald Spreadwing)
Lestes unguiculatus (Lyre-tipped Spreadwing)
Leucorrhinia intacta (Dot-tailed Whiteface)
Libellula forensis (Eight-spotted Skimmer)
Libellula pulchella (Twelve-spotted Skimmer)
Libellula quadrimaculata (Four-spotted Skimmer)
Nehalennia irene (Sedge Sprite)
Ophiogomphus severus (Pale Snaketail)
Phanogomphus graslinellus (Pronghorn Clubtail)
Rhionaeschna californica (California Darner)
Somatochlora minor (Ocellated Emerald)
Sympetrum corruptum (Variegated Meadowhawk)
Sympetrum costiferum (Saffron-winged Meadowhawk)
Sympetrum internum (Cherry-faced Meadowhawk)
Sympetrum madidum (Red-veined Meadowhawk)
Sympetrum obtrusum (White-faced Meadowhawk)
Sympetrum pallipes (Striped Meadowhawk)
Sympetrum semicinctum (Band-winged Meadowhawk)

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