194 SEVENTEENTH Reporr State ENToMoLoGIsSt oF MINNESOTA—1918 
\ 
Cabiraton Or 
cens beyond 
SZ SMTAGIAG/ 
a _—~ 
, a — — —_—=— 
Fig. 78. Serphus caudatus, structure typical of the Serphoids.—From the Hymen- 
optera of Conn. 
