. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 265 Control.âCleaning up and destruction of all fallen fruits; covering trees with netting; using a poison bait spray (Berlese and Mally). Currant Fruit Fly {Epochra canadensis Loew.)-â(Consult Bull. 264, Maine Agr. Expt. St.) A common pest on currants and gooseberries in Canada and the Northern States, and confined to the Canadian, Transition and Upper Austral zones. Ad
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 265 Control.âCleaning up and destruction of all fallen fruits; covering trees with netting; using a poison bait spray (Berlese and Mally). Currant Fruit Fly {Epochra canadensis Loew.)-â(Consult Bull. 264, Maine Agr. Expt. St.) A common pest on currants and gooseberries in Canada and the Northern States, and confined to the Canadian, Transition and Upper Austral zones. Adult.âPale yellowish, slightly smaller and more delicate than the house fly; eyes green, legs yellow, wings cross-banded; active and restless. May and June. Mating period 33 days; preoviposition period 6-10 days. One brood a year. Eggs.âElongate, oval, whitish, ^^5 inch long; placed under skin of fruit by long ovipositor. Female may lay about 200 eggs. Hatch in 4-7 days. Larva.âBurrows within the fruit, destroying seeds and kernel. Infested berries show discolored spots, become deformed and usually fall early. Matures in 3 weeks; }^ inch long, white with black mouth- parts. Leaves the fruit and enters the ground to pupate. Pupa.âPuparium broadly oval and straw colored, in the ground. Hibernates. Duration lo-ii months. Control.âAWOW poultry to run , ^IG. female white-banded ^ â ' cherry fruit fly. Much enlarged. among the bushes to pick up fallen {After Caesar.) infested fruit; spray bushes with a sweetened poison of sodium arsenite and diluted molasses to kill adult flies at intervals of a week beginning early in May. A heroic but effectual method is to pick entire crop of fruit and destroy it before the maggots emerge. White-banded Cherry Fruit Fly {Rhagoletis cingulata Loew.). Adult.âA small blackish fly, smaller than the House-fly, 3^^ inch long, expanding % inch; pale yellow spot on hinder part of thorax and a yellowish stripe along each side of thorax; head
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
