What is "notonecta"

Notonecta, or the common backswimmer, is a genus of backswimmer insects in the family Notonectidae. Species in this genus include:

• Notonecta borealis
• Notonecta glauca
• Notonecta hoffmanni
• Notonecta indica
• Notonecta insulata
• Notonecta irrorata
• Notonecta kirbyi
• Notonecta lobata
• Notonecta lunata
• Notonecta maculata
• Notonecta marmorea
• Notonecta meridionalis
• Notonecta montezuma
• Notonecta obliqua
• Notonecta ochrothoe
• Notonecta pallidula
• Notonecta petrunkevitchi
• Notonecta raleighi
• Notonecta repanda
• Notonecta shooteri
• Notonecta spinosa
• Notonecta uhleri
• Notonecta undulata
• Notonecta unifasciata
• Notonecta viridis