Jul. 992, U. S. Dept. of Agricultur 



Plate II 



The Walnut Husk-Maggot. 



a, Genitalia of male and female husk-maggots, male on left; 6 and c, egg clusters in black walnuts 

 exposed by cutting away the skin: d, egg cluster partly on the surf ice of black walnut: c, larvae; 

 /, larva escaping from a' black walnut; g, pupa?; h, resemblance of pupae, above, and grains of 

 wheat, below. All enlarged. 



