8o ECONOMIC ENTOMOLOGY 



7. Small caterpillars with brown head and yellowish-green body, feeding 



on leaves. — Apple-leaf Bucculatrix {Bucculatrix pomifoliella), p. 236. 



(c) Plant-lice. Greenish or rosy colored sucking insects feeding on the under 



sides of leaves, often distorting them. — Aphis mali, A. sorbi, and A. avencB, 



P- 143- 

 (i"! Beetles: 



1. Large brown beetles feeding at night on leaves. — May Beetles {Lach- 

 nosterna spp.), p. 302. 



2. Small brown beetles, feeding at night. — Leaf Beetles, p. 301. 



(e) Miles. Oval reddish-brown mites feeding on leaves causing them to become 

 blanched, yellow or sickly. — Clover Mite {Bryohia pratensis), p. 367. 

 Fruit: 



(o) Boring tunnels through thefrtnt: 



1. Tunnels made mostly about the core; made by a pinkish caterpillar 

 three-fourths inch long when full grown; brown excrement often visible 

 at opening at blossom end of apple. — Codling Moth {Carpocapsa 

 ponionella), p. 219. 



2. Tunnels not so deep as in i, often blotched mines near the surface. 

 Made by caterpillars not so large as codling worms. — Lesser Apple 

 Worm {Laspeyresia prunivora), p. 227. 



3. Tunnels irregular and numerous made by a maggot. — Apple Maggot 

 {Trypeta pomonella), p. 266. 



(b) Puncturing the fruit: 



1. Four-humped beetles puncturing the fruit and distorting it. — Apple 

 Curculio (Anthonomus quadrigibbus), Plum Curculio {Conotrachelus 

 nenuphar), p. 329. 



2. Purplish spots about the circular scales. — San Josi Scale {Aspidiotus 

 perniciosus), p. 126. 



3. Puncturing and deforming the fruit.- — Several species of Capsida 

 (False tarnished plant bug and the apple red bugs) ; and Syntomaspis 

 druparum (p. 165). 



(c) Eating holes in the fruit: 



1. Large light yellow or apple-green caterpillars with a narrow cream 

 colored stripe along middle of the back. — Green Fruit Worms {Grap- 

 tolitha spp.j, p. 197. 



2. Yellowish hairy beetle one-half inch long. — Bumble Flower Beetle 

 {Euphoria inda), p. 305. 



3. Green worm-like saw-fly larva hibernating in cavities scooped out of 

 apple. — Dock False Worm {Ametastegia glabrata), p. 347. 



X. INSECTS INJURIOUS TO THE PLUM 

 Roots: 



(a) Burrows made by a caterpillar about the crown of the roots, occasionally 

 in young trees. — Peach-tree Borer (Synanthedon exitiosa), p. 216. 



Trunk, Branches and Twigs: 



(a) Tunnels in the wood by flat-headed grubs; sawdust-like excrement at the 

 mouth of tunnels. — Flat-headed Borer {Chrysobothris femorata), p. 300. 



