FIGURE 243. Apatania auricula Forssl. Head, dorsal 



143 Mandibles black, blades with reddish yellow margin; dorsal brush formed 

 by a row of chaetoids which become smaller near apex; lateral setae 

 small, of about the same size. 



Pronotum m.ainly brownish, with yellowish anterior part; posterior 

 margin narrow, black, wide laterally at posterior angles. 



Number and arrangement of gills of A. auricula 



Segment 



Dorsal 



Ventral 



1 



1 





2 



1 



1 



3 



1 



1 



1 



4 



1 



1 



5 



1 



1 



6 





1 



176 



