ORDER HYMENOPTERA. 



29 



Family 22, Ich?ieiimonidce.—ThQ Ichneumonidce are rather large 

 and slender insects, and are divided into many sub- families. 



Fig. 33. — Bracon Bicolor 



They are a very numerous group. It has been calculated that 

 neirly 5,000 species have been described, but the data generally 

 are very untrustworthy. 



Fig. 34. — Joppa Antennata. 



The species of Trogus are rather large insects, measuring an 



