84 ECONOMIC ENTOMOLOGY 



(/)) Canes at base of main root girdled by a yellowish- white caterpillar in late 

 summer and autumn. — Bramble Croiun Borer (Bembccia marginala), p. 218. 

 Canes: 



(a) Longitudinal row of punctures on canes. — Black-horned Tree Cricket {QLcan- 

 thiis nigricornis), p. 116. 



{b) Tips of raspberry canes wilting in early summer, due to a girdling of the 

 canes inside the bark. — Raspberry Cane Maggot {Phorhia rubivora), p. 277. 



(c) Tips of shoots of raspberry wilting in July and August; two rows of hori- 

 zontal punctures one inch apart at base of wilted portion, with a small hole 

 between. Canes burrowed to the base before autumn. — Raspberry Cane 

 Borer (Oberea bimaculala), p. 321. 



{d) Swellings on canes of raspberry and blackberry. — Red-necked Cane Borer 

 (Agrilus^ruficollis), p. 301. 

 Buds: 



{a) A small snout-beetle puncturing the flower stem close to the buds, and 

 also the buds. — Strawberry Weevil {Anlhonomus signatus), p. 232. 



{b) A small yellowish beetle eating the flower buds, which either fail to open or 

 wither. — Pale Brown Byturus {Bytiirus unicolor), p. 292. 



(c) A small brownish caterpillar eating the opening buds. — Bud Moth (Tmeto- 

 cera ocellana), p. 225. 

 Leaves: 



(a) Bugs sucking the sap of young growing parts, and arresting their develop- 

 ment. — Tarnished Plant Bug (Lygus pratensis), p. 163. 



{p) Suckers and leaves curled up with enclosed lice. — Bramble Flea Louse 

 (Trioza tripunctata), p. 152. 



(c) Small greenish larvae with spiny tubercles eating the leaves in spring. — 

 Raspberry Saw-Fly {Monophadnus rubi), p. 347. 

 Fruit: 



(a) A looper feeding on fruit of raspberry and blackberry. — Raspberry Geometer 

 (Synchlora aerata). 



XIV. INSECTS INJURIOUS TO THE GOOSEBERRY AND CURRANT 



Canes: 



(a) Tips of canes girdled and wilted; pith tunneled. — Currant Stem Girdler 

 {Janus integer), p. 345. 



(b) Centre of cane tunneled by a white caterpillar. — Imported Currant Borer 

 {Synanthedon tipulijormis), p. 217. 



(c) Small flat circular scales, black or gray, with a depressed ring about a 

 central nipple in black forms. — San Jose Scale {Aspidiotus perniciosus) , 

 p. 126. 



{d) Oval hemispherical scales. — Currant Lecanium {Lecanium ribis). 

 (e) Longitudinal rows of punctures on canes. — Black-horned Tree Cricket 

 {CEcanthus nigricornis), p. ii6. 



