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 Major Groups | Insecta (insects) | Megaloptera (alderflies, dobsonflies)

Note: Key from Theischinger 2000a

 
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1. 7 pairs of articulated, lateral abdominal processes; apex of abdomen drawn out into a long terminal subanal filament (F)
Distribution: E Aus
 More ››› Sialidae  

 

 
Sialidae 

7 pairs of articulated processes

Sialidae 

long terminal filament

-8 pairs of non-articulated lateral abdominal processes; apex of abdomen with a pair of prolegs (P)
Distribution: E Aus, S WA
 More ››› Corydalidae  

 

 
Corydalidae 

8 pairs of non-articulated processes

Corydalidae 

apex of abdomen with prolegs