. A manual of dangerous insects likely to be introduced in the United States through importations. a b Fig. 7.—Work of apple weevils: a, Apple buds injured by Anthonomus pomorum (Henschel);^6, appl«root tunneled by Leptops hopei (French). Anthonomus pomorum Linnaeus.(Apple-blossom Weevil. Curculionidae; Coleoptera.) Host: Apple, pear. Injury: Often very destructive to injurious to buds and blossoms; adultfeeds on leaves. Description and biology: Adult length 3 to4 mm.; pitch black or fuscous black, withashy pubescence; most easily recognized bypale V-shaped mark on elytra. Appear i


. A manual of dangerous insects likely to be introduced in the United States through importations. a b Fig. 7.—Work of apple weevils: a, Apple buds injured by Anthonomus pomorum (Henschel);^6, appl«root tunneled by Leptops hopei (French). Anthonomus pomorum Linnaeus.(Apple-blossom Weevil. Curculionidae; Coleoptera.) Host: Apple, pear. Injury: Often very destructive to injurious to buds and blossoms; adultfeeds on leaves. Description and biology: Adult length 3 to4 mm.; pitch black or fuscous black, withashy pubescence; most easily recognized bypale V-shaped mark on elytra. Appear inlate spring and live until next spring, whenthey copulate and oviposit. Hibernate inrubbish. Pupa yellowish brown. Pupatesin withered flower bud. Pupation lasts 7 to10 days. Larva length 4-5 mm.; white,footless, head brown; feeds in flower stage 8 days to 3 weeks. Eggs de-posited in blossom buds. A single femaledeposits 50 or 60 during a period of 2 weeks.(See text figs. 7a, 8.) Distribution: , F. V. Insect Pests of Fruit, 1909, p. Fig. 8.—Apple bud weevil {Anthonomuspomorum). (Theobald.) APPLE INSECTS. 19


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin