53 



Fig. 51. Melon aphis. 

 (a) winged female ; {act) enlarged antenna of same ; (ab) dark female, 

 side view, sucking juice from surface of leaf; (b) young or larva; 

 (c) last stage of nynnoh ; (d) wingless female. All greatly enlarged. 



From U.S. Dept. Agric.) 



