ALDER CATERPILLARS. 



627 





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Fig. 205.— Larva of Apatela parasitized by Aleiodes : a, dorsal view; 6, lateral, showing holes made 

 by the exit of parasites; c, the cocoons within the host.— Smith del. 



Full-grown larva. — Head and body black, bead large and full, a little wider than 

 the body. Body vritb pale yellow radiating hairs along the sides low down, but 



Fig. 206. — Rhogas Icetus Cress, from Apatela hastuli/era on alder. After Riley. 



above covered densely with umber-browa hairs, forming a slight dorsal crest. The 

 scattered hairs in front and at the end of the body pale yellowish and of unequal 



