n8 



ELEMENTARY ENTOMOLOGY 



wither beyond the point where the little bug has inserted its beak. 

 The four-lined leaf-bug (Poecilocapsus lineatus] is yellowish or 



FIG. 158. The four-lined leaf-bug 



a, adult (enlarged) ; b, adult (natural size) ; c, single egg (greatly enlarged) ; d, lengthwise 

 section of stem, showing eggs in position (enlarged). (After Slingerland) 



greenish, with four black stripes (Fig. 158), and is often a serious 

 enemy of currants, laying its eggs in the stalks and thus killing 

 the tips. The cotton leaf-bug is found throughout the country on 



FIG. 159. Cotton leaf-bug (Calocoris rapidus) 



a, mature bug ; b, young nymph ; c, fourth stage of nymph ; d, fifth stage of nymph 

 (Authors' illustration, United States Department of Agriculture) 



