(529; 



853 852 



FIG[TRES 850-853. Beraeodes minutaL.: 



850 - larva in case, lateral; 851 - head, dorsal (A), antenna (B),left 

 mandible, dorsal (C) and ventralfD); 852 — pronotum and mesonotum 

 (A), distal end of midleg (B) and hind leg (C); 853 - pupa; right 

 mandible, ventral (A), anal rods, dorsal ( B). (850, 851, A, 852 - after 

 Hickin, others after Morton). 



Case slightly shorter than in larva but of similar form; anterior 

 membrane, as in B e r a e a, with a narrow, curved, ventral slit; posterior 

 membrane in form of a narrow ring around a large, central hole. 



Mode of life and habitats. Rheophilic, in small, cool brooks. 



Distribution. Western border area of European USSR. In addition, 

 Europe. 



661 



