Fig. 305. 



Fig. 307. 



Fig. 306. 



T?ig- 305.~Antl,rax hippomelas: a, larva; b, fly pupa projc-ctine from cnt-worm pupa: 

 C, pupa; d, adult: all enlarged. 



Fig. 306.— Bee-fly, Systocchus areas, parasitic on grasshoijpcr egg-pods, pupa and adult. 

 Fig. 307.— Larva of Systoechus areas enlarged and details of structure. 



