Plate XI. 

 (To be bound facing Plate XI.) 



RURALIS BETUL.E. 



Fig. 1.— Ova xlO. 



Fig. 2. — Ovum, empty shell after emergence of larva x 10. 



Fig. 3.— Larva (dorsal view) on foodplant x 1. 



Fig. 4. — Parasitised larva xl. 



Fig. 5. — Same larva shrunken, with empty Microgaster cocoons X 2. 



Fig. 6. — Larva (lateral view) xl. 



Figs. 7-8. — Pupae showing attachment to surface by means of cast 

 larval skin x 1 . 



Fig. 9. — Pupa detached (lateral view) x 2. 



Fig. 10. — ,, ,, (latero-ventral view) x 2. 



Fig. 11. — ,, ,, (dorsal view) x2. 



Fig. 12. — Imago xl. 



(Figs. 1, 2, 3. 6, 12 by A. E. Tonge, the others bij H. Main.) 



