Fig. 7 
247 
Skin of a larva of Drybota protea, with a hole (a) through 
which the Phryæe-larva "has penetrated, and spiracles (b) sur- 
rounded with dark marks indicating that the Drybota-larva is 
infested with Phryxe vulgaris. 
Tachina larvarum L. 
Egg. a appendix. 
l. Stage. Posterior end. a chitinous sticks. 
— Skin from the 12. Segment with spines and two sticks. 
— Pharyngeal skeleton., 
— Apex of the pharyngeal: skeleton. 
2. — Pharyngeal skeleton. 
i ae 
— . Anterior spiracle. 
— The end of an anterior .spiracle, sideview. 
Posterior spiracle. 
Pigkelel' Posterior spiracles and anal papilla. 
Tachina impotens Rond. 
1. Stage. Posterior end. 
— Pharyngeal skeleton. 
— Anterior spiracle. 
at Posterior spiracle. 
Tachina macrocera Rob, Dew. 
1. Stage. Pharyngeal skeleton. 
gr de mr 
; FRE DER — ag 
DE Anterior spiracle. 
— Posterior spiracle. 
Puparium. Posterior spiracles and anal papilla. 
Tachina vidua Meig. 
3. Stage. Posterior spiracle. 
Digonochæta setipennis Fll. 
Funnel, originating from the skin øl: ur earwig, with the cast 
larval skin of a Digonochæta-larva 1. stage. a. å part of 
the skin of the earwig. i Balpkpet Helike of the Digono- 
chæta-larva. 
