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 Major Groups | Insecta (insects) | Coleoptera (beetles)

 
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43(42). Antennae 7-segmented with 4-segmented, asymmetrical club (C) preceded by minute glabrous cupule (Cu); body ovate, less than 2 times as long as wide; dorsum highly convex; upper surfaces dull and clothed with short, erect bristles

Distribution: N Aus, E Qld, E NSW, E Vic, N WA

  More ››› Spercheidae  

 

 
Spercheidae 

body ovate
upper surfaces dull

Spercheidae 

antennae 7-segmented
with 4-segmented club
preceded by minute cupule

Spercheidae 

dorsum highly convex
upper surfaces with short bristles

-Antennae 7- to 9-segmented with 3-segmented club (C) preceded by well-developed glabrous cupule (Cu); body usually elongate IF body ovate THEN upper surfaces shiny and glabrous

  More ››› 44  

 

 
Hydrochidae 

antennae 7-segmented
with 3-segmented club
preceded by well-developed cupule

Hydrophilidae 

antennae 9-segmented
with 3-segmented club
preceded by well-developed cupule

Hydrochidae 

3-segmented

Hydrophilidae 

body elongate

Hydrophilidae 

body ovate
upper surfaces shiny and glabrous