W. Nowell 57 



Entomologist to the Imperial Department of Agriculture, with whom I 

 have discussed various points arising in the course of the research and 

 in the preparation of this paper. 



EXPLANATION OF PLATE. 



Fig. 1. Tiphia parallela: egg on Phytalus; x 4 J. 



Fig. 2. ,, larva three days old; x 4J. 



Fig. 3. „ larva eight to nine (?) days old; x 1|. 



Fig. 4. Cnmpsomeris dorsata : egg on Ligyrus. 



Fig. 5. „ ,, larva one day old. 



Fig. G. „ „ larva beginning to attack tissues of host; x 4£. 



Fig. 7. „ „ larva at end of feeding period ; x 3. 



Fig. 8. „ „ larva beginning to spin up; x 4J. 



(Fig. 3 from a photograph by H. A. Ballou; remainder by the author.) 



