91 



( Body with minute hairs. . B. myrmecophila (Berl.). 



( Body anteriorly with ruinute, pos- 



l teriorly with longer hairs . . B. canestrinii (Berl.). 



( Dors. shield with lateral incisions 9 



( Dors. shield without incisions. . 10 



( Body with minute hairs. . . . H. semiscissus (Berl.). 



) Body with long hairs . . . . B. campestris (Berl.). 



!Body red, almost hairless . . . B. lignicola (G. et R. Can.). 

 Body pale, yellow, or browo, hairy. 11 



l Hairs club-shaped B. cuneifer (Michael). 



| Hairs otherwise 12 



l Hairs cultrate 13 



f Hairs otherwise 14 



| 2d leg in both sexes thicker . . B. miles (Berl.). 



j 2d leg not thicker B. pavida (C. L. Koch). 



! Hairs short 15 

 Hairs long 19 



l Tarsus 4 with strong spines . . B. aculeifer (G. Can.). 



j Tarsus 4 with hairs 16 



i Epistoma rounded 17 



! Epistoma otherwise 20 



l Body with bristles B. hypudaei Oudms. 



I Body with minute hairs. . . .18 



I Body well shouldered . . . . B. bombicolens (G. Can.). 



| Body not shouldered B. oophila (Wasm.). 



( Legs 2 thick B. krameri G. et R. Can.). 



| Legs 1 to 4 thick B. cekripediformis Oudms. 



! Epistoma almost square with mi- 

 nute central mucro . B. talpae Oudm. 

 Epistoma otherwise 21 



Epistoma pointed B. greeni Oudms. 



Epistoma with 3 spines. . . . B. cossi (Ant. Dug.). 



L0 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 



•21 



