Bui. 86, Bureau of Entomology, U. S. Dept, of Agriculture. 



Plate III. 



9 



10 



Effects of Plant-bug Attack on Cotton Bolls; Egg and Puparium of Tachinid 



Parasite. 



Fig. 1. — Locks of a cotton boll shriveled by the conchuela. Figs. 2-5. — Small Sea Island cotton bolls 

 destroyed by the cotton stainer. Fig. 6. — Nearly mature Sea Island cotton boll opened to show 

 damage by cotton stainer. Fig. 7. — Same with seeds and lint removed to show feeding punctures 

 and proliferation due to feeding by cotton stainer. Fig. 8.— Cotton boll showing two locks damaged 

 by four and six feeding punctures', respectively, by the green soldier-bug {Nezara fiilaris). Fig. 9.— 

 Head and thorax of the conchuela, showing egg of Tachinid parasite, Gyvmosoma fuliginosa, 

 attached to side of prothorax at left. Fig. 10.— Puparium of Tachinid parasite, Gymnosoma 

 (Original.) 



