Category
page 1Notonectidae

Notonectidae
Notonectidae is a cosmopolitan family of aquatic insects in the order Hemiptera, commonly called backswimmers because they swim "upside down" (inverted). They are all predators and typically range from in length. They are similar in appearance to Corixidae (water boatmen), but can be separated by differences in their dorsal-ventral coloration, front legs, and predatory behavior. Their dorsum is convex, lightly colored without cross striations. Their front tarsi are not scoop-shaped and their hind legs are fringed for swimming. There are about 350 species in two subfamilies: Notonectinae with s
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Notonecta
thumb|Notonecta viridis
thumb|Notonecta indica, Texas

Buenoa
Buenoa is a genus of backswimmer. It was created by George Willis Kirkaldy in 1904 to include all species of Anisops from the Western Hemisphere with a two-segmented front tarsus in males, reserving the latter genus for Eastern Hemisphere species with a one-segmented front tarsus in males. It contains 69 described species.

Martarega
Martarega is a genus of backswimmers in the family Notonectidae. There are about 13 described species in Martarega.
Martarega mexicana
species of insect

Buenoa marki
species of insect