OF CERTAIN CHALCIDID.E AND ICHNEUMONIDjE. 



77 



DESCRIPTION OP THE PIGURES. 



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Tab. VIII. 



1. Anthophorabia retusa, Newp. (male). 



a. Antenna of the male, upper surface. 



b. Antenna of the male, inferior surface. 



2. Anthophorabia retusa (female). 



3. The larva of Anthophorabia retusa. 



7. Larva of Monodontomerus nitidus, Newp., early stage. 



8. Larva of Monodontomerus nitidus, Newp., full-grown. 



9. Alimentary canal of the larva. 



(a). (Esophagus. 



(b). Stomach, or digestive cavity. 



(c). Cardiac valve. 



(a*). Pyloric valve. 



(e). The undeveloped celliform future intestine. 



(/). Future anal outlet. 



{g). Cascal end of the digestive cavity, the centre of which is the future pylorus. 



(h). The Malpighian vessels or bile-ducts. 



(i). The silk-glands. 



10. Inferior surface of the head of the larva of Monodontomerus. 



11. The nymph (male). 



12. The imago (female). 



13. The larva of the Broom Moth, Mamestra pisi, infested with the eggs (a) of the Ichneumon fly, 

 Paniscus virgatus. 



14 a 8s. b. The larva of Paniscus recently burst from the egg and still retained between the two halves 

 of the shell. 



15. Larva on the second day. 



16. Larva on the ninth day. 



16. Magnified larva to show the deciduation of the skin, a, b, c. 



17. The dead and exhausted larva of Mamestra pisi, with the parasitic larva of Paniscus attached. 



18. The nymph of Paniscus in its oval cocoon. 



19. The imago. 



