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Family Macromiidae - Cruisers

John Day River, Middle Fork, Oregon brown & white dragonfly - Didymops transversa Macromiidae, genus Macromia - Macromia Cruiser Dragonfly - Didymops transversa Allegheny River Cruiser - Macromia alleghaniensis - male Macromia illinoiensis - female Dragonfly  - Didymops transversa Royal River Cruiser - Macromia taeniolata - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Odonata (Dragonflies and Damselflies)
Suborder Anisoptera (Dragonflies)
Family Macromiidae (Cruisers)
Other Common Names
River Emeralds(1)
Numbers
9 spp. in 2 genera in our area(2), 3 genera worldwide (incl. Macromia with >100 spp.)(1)
Range
worldwide; Macromia is cosmopolitan, Didymops Nearctic, and one Oriental genus(1)
Works Cited
1.Dragonflies of the World
Jill Silsby. 2001. Smithsonian Institution Press.
2.Dragonfly Society of the Americas. 2012. North American Odonata