THE INSECT WORLD. 



107 



Fig. 77. 



Cochineal and mealy bugs.— Fig. 77, cochineal, Coccus cacti, on cactus. Fig. 78, 

 b, adult male ; c, adult female, with cottony masses removed. Fig. 79, mealy bug, 

 Dactylopius destructor. Fig. 80, Dactylopius longifilis : a, the larva ; b, the winged male. 



