Explanation of Plate IV. 



Ghrysocoris stollii (Wolff). 



Fig. 1. Ovum on the first day, natural size and enlarged, viewed 

 from on top and at the side. 

 la. The same, looking on top, the third day. 



2. Nymph just hatched. 



3. Second instar. 



4. Third instar ; after this the bug remains much the same 



in colour and pattern. 



5. Penultimate (?) instar of an allied species. 



6. Penultimate instar. 

 7 and 8. Adult. 



