AND ANATOMY OF CEKTAIN HYMENOPTERA PARASITICA. 



393 



Fig. 1. Larva of Apanteles after emergence from Pieris caterpillar (Fig. 5) and before 

 spinning up. The vesicle is at V ; .v, y, and z are the thoracic segments. 

 1st S and 7th S are respectively the first and seventli stigmata. JNI is the mouth. 



Fig. 2. Potash preparation of adult laiva of Apanteles to same scale as previous figure. 

 The chitinous papillae (CP) are shown in each sf^gment. MT = metathorax. 

 TV = vesicle. PT = prothorax. H = head segments. 



Fig. 3. End of the body of young larva to show the segments in relation to the nerve- 

 chain. 



Figs. 4 & 5. Successive stages in the emergence of the Apanteles larvte {x) from tlie bod\ 

 of tl^e host Pierid caterpillar. 

 In these figures the scale on the left top corner refers only to the two upper figures. 



