INJURIOUS INSECTS 321 



Coleoptera.) A short, broad beetle; riddles the leaves 

 in June and July. The larva attacks the roots of 

 grapes -- preferably the Worclen. 



Remedies. Strong arsenic sprays for the beetles ; 

 the larvas on roots can be destroyed by bisulphide of car- 

 bon. 



GRAPE FLEA-BEETLE. (Graptodera clialybea Illig. ; 

 order Coleoptera.) A blue metallic beetle, one-fourth 

 inch in length. Feeds upon buds and tender shoots in 

 spring. 



Remedies. Arsenites. 



GRAPEVINE SPHINX. (Ampelophaga myron Cramer; 

 order Lepidoptera.) A large green caterpillar, with 

 yellow spots and stripes. At maturity is about two 

 inches in length. Bears a horn at the posterior extrem- 

 ity, and feeds upon the leaves and young grapes. Two 

 broods. 



Remedies. -Hand-picking. Arsenites to be used in 

 the early season. 



ROOT BORER. See Grapevine Fidia. 



SNOWY CRICKET. See under Blackberry. 



LEAF-HOPPER. (Erythroneura vitis Harris; order 

 Hemiptera.) A small insect, less than one-tenth inch 

 in length. 'Feeds upon leaves, and makes them appear 

 scorched. 



Remedies. -Kerosene emulsion; small bonfires built 

 at night in vineyard attract many to them. Clean cul- 

 ture in the fall, to prevent collection of rubbish for 

 insects to hibernate in. 



GREEN-FLY. See Plant-Lice. 



GREEN STRIPED MAPLE WORM. (Anisota rubicunda 



Fabr. ; order Lepidoptera. ) A yellowish green, longi- 

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