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

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Female

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Notonecta undulata
11 mm
March and October
Stock tank

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Buenoa margaritacea

Buenoa margaritacea
6 mm
August