CONTROL OF GARDEN DISEASES AND INSECTS. 



45 



cucumbers it is to be 

 treated in the same 

 Avay. The young, or 

 larva, is known as 

 the budworm and 

 less commonly as the 

 drill worm, but more 

 properly as the 

 southern corn root- 

 worm. The adult, 

 or beetle, is, perhaps, 

 the most general 

 feeder known, at- 

 tacking " everything 

 green." The larva, 

 h o w eve r, breeds 

 chiefly in grasses 

 and corn, although 

 also on weeds and 

 even on peanuts. 



Control. — Kota- 

 tion of crops, spray- 

 ing with lead arse- 

 nate, and otherwise 

 treating in the same 

 manner as the 

 striped cucumber 

 beetle, are the reme- 

 dies employed i n 

 small areas of cu- 

 curbits. Avoid 

 planting in grass- 

 lands after corn and 

 weeds. 



MELON APHIS. 



The melon aphis 

 (fig. 50), commonly 

 called the melon 

 " louse," injures cu- 

 cumbers and other 

 plants by piercing 

 them and sapping 

 their vital juices. 

 It occurs from early 



Fig. 50. — The melon aphis (Aphis oossyijii) : o. Winged 

 female ; ah, dark female, side view ; h, young nymph, or 

 larva ; c, last stage of nymph ; d, \Vingless female. All 

 much enlarged. 



-Cantaloupe loaves showing curling caused by the 

 melon aphis. Slightly reduced. 



