- American Rubyspot
- Amethyst Dancer
- Antillean Saddlebags
- Apache Dancer
- Apache Spiketail
- Arizona Snaketail
- Arroyo Bluet
- Arroyo Darner
- Aztec Dancer
- Band-winged Meadowhawk
- Black Meadowhawk
- Black Saddlebags
- Black Setwing
- Black-and-White Damsel
- Black-fronted Forktail
- Black-winged Dragonlet
- Bleached Skimmer
- Blue Dasher
- Blue-eyed Darner
- Blue-fronted Dancer
- Blue-ringed Dancer
- Boreal Bluet
- California Dancer
- California Spreadwing
- Canyon Rubyspot
- Cardinal Meadowhawk
- Carmine Skimmer
- Cerulean Dancer
- Checkered Setwing
- Citrine Forktail
- Claw-tipped Bluet
- Comanche Skimmer
- Common Green Darner
- Common Whitetail
- Desert Firetail
- Desert Forktail
- Desert Shadowdamsel
- Desert Whitetail
- Double-striped Bluet
- Dusky Dancer
- Eastern Amberwing
- Eastern Pondhawk
- Eight-spotted Skimmer
- Emerald Spreadwing
- Familiar Bluet
- Fiery-eyed Dancer
- Filigree Skimmer
- Flame Skimmer
- Four-spotted Pennant
- Four-spotted Skimmer
- Giant Darner
- Gray Sanddragon
- Great Pondhawk
- Great Spreadwing
- Halloween Pennant
- Harkness' Dancer
- Hoary Skimmer
- Kiowa Dancer
- Lavender Dancer
- Malachite Darner
- Marl Pennant
- Mayan Setwing
- Mexican Amberwing
- Mexican Forktail
- Narrow-striped Forceptail
- Neon Skimmer
- Neotropical Bluet
- Northern Bluet
- Northern Spreadwing
- Pacific Forktail
- Pacific Spiketail
- Paddle-tailed Darner
- Painted Damsel
- Paiute Dancer
- Pale Snaketail
- Pale-faced Clubskimmer
- Persephone's Darner
- Pima Dancer
- Pin-tailed Pondhawk
- Plains Forktail
- Plateau Dragonlet
- Plateau Spreadwing
- Powdered Dancer
- Rambur's Forktail
- Red Rock Skimmer
- Red Saddlebags
- Red-tailed Pennant
- Riffle Darner
- Roseate Skimmer
- Russet-tipped Clubtail
- Sabino Dancer
- Serpent Ringtail
- Sierra Madre Dancer
- Slough Amberwing
- Sooty Dancer
- Sooty Saddlebags
- Spine-tipped Dancer
- Spot-tailed Dasher
- Spot-winged Glider
- Spot-winged Meadowhawk
- Spotted Spreadwing
- Springwater Dancer
- Straw-colored Sylph
- Striped Meadowhawk
- Striped Saddlebags
- Swift Setwing
- Taiga Bluet
- Tarascan Dancer
- Tezpi Dancer
- Thornbush Dasher
- Tonto Dancer
- Tule Bluet
- Turquoise-tipped Darner
- Twelve-spotted Skimmer
- Variable Dancer
- Variable Darner
- Variegated Meadowhawk
- Vivid Dancer
- Wandering Glider
- Western Forktail
- Western Pondhawk
- Western Red Damsel
- Western/Eastern Pondhawk Intermediates
- White-belted Ringtail
- White-tailed Sylph
- Widow Skimmer
- Yaqui Dancer
Oplonaeschna armata
Common Name
Riffle Darner
Family
Darners (Aeschnidae)
Distribution Map from southwestdragonflies.net
Riffle Darner (posed), Male, W. Fork of Oak Creek, Coconino, AZ, 5 July 2009
Riffle Darner, Male, Workman Creek, Gila, AZ, 4 July 2010
Riffle Darner, Andromorph female, W. Fork of Oak Creek, Coconino, AZ, 7 August 2009
Riffle Darner, Andromorph female (same as above), W. Fork of Oak Creek, Coconino, AZ, 7 August 2009
Riffle Darner (posed), Heteromorph female, Workman Creek, Gila, 9 August 2010
Riffle Darner, Heteromorph female (same as above), Workman Creek, Gila, 9 August 2010
Riffle Darner, Heteromorph female (same as above), Workman Creek, Gila, 9 August 2010
Riffle Darner, Christopher Creek, Gila, AZ, 18 June 2009
Riffle Darner, Male appendages (lateral view), Christopher Creek, Gila, AZ, 18 June 2009