IDENTIFICATION OF INSECTS INJURIOUS TO CROPS S;^ 



Fruit: 



(a) A crescent cut on the cherry; grub, white and footless, with a brownish 



horny head, feeding within. — Flum Curculio {Conlrachelus nenuphar), p. 329. 

 (ft) Yellowish-white maggots feeding on the pulpy juices near the pit, inducing 



a rotting. — Cherry Fruit Flies {Rhagolctis cingulata and R. fausta), p. 265. 



XII. INSECTS INJURIOUS TO THE PEACH 



Root and Loiver Trunk: 



{a) Tunneling in the bark and sapwood of the root and lower trunk, causing an 

 exudation of gum, which is seen at base of tree mingled with the castings. — 

 Peach Tree Borer {Synanthedon exitiosa), p. 216. 



Trunk and Branches: 



(a) In early spring a minute caterpillar bores into the shodts of new leaves, 



killing the growing terminals. — Peach Twig Borer {Anarsia lineatella), 



p. 215. 

 {b) Black hemispherical scales attached to the bark. — Peach Leaf Lecanium 



(Lecanium nigrofascialum) , p. 129. 



(c) A beetle eating the buds and gnawing into the base of the twigs, causing 

 them to break and fall.- — New York Weevil {Ithycerus noveboracensis). 



(d) Round scales, gray or black; twigs presenting a scurfy appearance. — 

 San Jose Scale (Aspidiotus perniciosiis) , p. 126. 



(e) Oval scars and longitudinal slits on bark produced by a green buffalo- 

 shaped bug. — Buffalo Tree Hopper {Ceresa bubalus), p. 157. 



Leaves: 



(a) Plant-lice, living in colonies under the leaves, causing them to thicken 



and curl. — Peach Tree Aphis (Myzus persicce), p. 144. 

 (6) Minute round scales located usually along the veins. — San Jose Scale 



{Aspidiotus perniciosus), p. 126. 

 (c) Caterpillars protected." 



1. In a tortuous tube. — Leaf Grumpier (Mineola indiginella), p. 213. 



2. In folded leaves. — Oblique Banded Leaf Roller {Cacoecia rosaceana), 

 p. 230. 



Fruit: 



(a) Long-legged yellowish beetles eating holes in half-grown peaches. — Rose 



Chafer (Macrodactylus subspinosus), p. 305. 

 {b) Large yellow hairy beetles eating holes in ripe peaches.- — Bumble Flower 



Beetle (Euphoria inda), p. 305. 

 (c) Small snout-beetles making a puncture and crescent in the young fruit. — 



Plum Curculio (Conotrachelus nenuphar), p. 329. 



XIII. INSECTS INJURIOUS TO THE RASPBERRY AND BLACKBERRY 



Roots and Base of Canes: 



(a) Large grub over two inches long, boring large tunnels in the woody portion 

 of main root. The canes suddenly die. — Giant Root Borer {Prionus laticollis) , 

 p. 321. 



