318 ELEMENTARY STUDIES IN INSECT LIFE 



MELON WOEM. (Eudioptis Jiyalinata Linn. ; order 

 Lepidoptera.) Larva about an inch long, slightly 

 hairy, yellowish green. Feeds on melon leaves and eats 

 holes into the melon, cucumber, and squash. Two 

 broods at least. 



Remedies. Arsenites applied very early in the sea- 

 son. 



SPOTTED CUCUMBER BEETLE. (Diabrotica 12-punc- 

 Intn Oliv. ; order Coleoptera.) Yellow and black spot- 

 ted beetle, one-fourth inch long; feeds on leaves and 

 fruit. The larva sometimes injures corn root. (See 

 Corn.) 



Preventive. Cover with frames of mosquito net- 

 ting. 



Re mcdy. -Tobacco powder liberally applied. Ar- 

 senites in flour. Ashes sprinkled on plants from two 

 to three times when they are wet. 



STRIPED CUCUMBER BEETLE. ( Dialrolica vittata 

 Fabr. ; order Coleoptera.) The larva of beetle with 

 black stripes about one-fourth inch long. The beetle 

 feeds on the leaves; the larva, about one-eighth inch 

 long, feeds on roots. There are two broods. 



Preventives and remedies same as for Spotted Beetle. 



Currant. BORER. (Scsia tipuliformis Linn.; order 

 Lepidoptera.) Whitish larva, which bores into cur- 

 rant canes and into gooseberry, spending winter there. 



Remedy. -Burn all affected cane in fall and early 

 spring. Infested canes are made manifest by lack of 

 vigor and stiffness. 



CURRANT SAW-FLY. (Nemahts ventricosus King; 

 order Hymenoptera.) A yellowish green larva, about 

 three-fourths inch long, and feeds upon the leaves. Two 

 to four broods. 



