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 Major Groups | Insecta (insects) | Hemiptera (bugs) | Belostomatidae

Note: Key from Andersen & Weir 2004

 
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1. Fore tarsi (Ta) 3-segmented (often appearing 2-segmented), with 1 long claw (C); abdominal sternites 4-6 subdivided laterally by a weak suture-like fold (S), into mediosternites and parasternites; very large species, length 50 - 75 mm
 More ››› Lethocerus  

 

 
Lethocerus  

Lethocerus  

fore tarsi 3-segmented
1 long claw

Lethocerus  

abdominal sternites subdivided

-Fore tarsi (Ta) 1-segmented, with 2 small claws (C); abdominal sternites 4-6 not subdivided by a suture-like fold; medium sized species, body length 15 - 20 mm
 More ››› Diplonychus  

 

 
Diplonychus  

female

Diplonychus  

male

Diplonychus  

fore tarsi 1-segmented
2 small claws

Diplonychus  

abdominal sternites not subdivided