Aquatic and Semi-aquatic Insects
of Goodwell and Texhoma
Texas County, Oklahoma


Order Heteroptera
Family Notonectidae
Backswimmers

Notonecta undulata



Their natural swimming postion



Male above




Female


Notonecta undulata
11 mm
March and October
Stock tank


Buenoa margaritacea

Buenoa margaritacea
6 mm
August