18 



A MANUAL OF DANGEROUS INSECTS. 



Distribution: Europe. 

 Henschel, G. a. 0. Die Schadlichen Forst-und Obstbaum-Insekten, 1895, p. 94, 



a b 



Fig. 7.— Work of apple weevils: a, Apple buds injured hy A nihonomus pomorum (Henschel); ft, apple 

 root tunneled by Leptops hopei (French). 



Anthonomus pomorum Linnaeus. 

 (Apple-blossom Weevil. Cureulionidse; Coleoptera.) 



Host: Apple, pear. 



Injury: Often very destructive to apple. 

 Larva injurious to buds and blossoms; adult 

 feeds on leaves. 



Description and biology: Adult length 3 to 

 4 mm.; pitch black or fuscous black, with 

 ashy pubescence; most easily recognized by 

 pale V-shaped mark on elytra. Appear in 

 late spring and Live until next spring, when 

 they copulate and oviposit. Hibernate in 

 rubbish. Pupa yellowish brown. Pupates 

 in withered flower bud. Pupation lasts 7 to 

 10 days. Larva length 4-5 mm.; white, 

 footless, head brown; feeds in flower bud. 

 Larval stage 8 days to 3 weeks. Eggs de- 

 posited in blossom buds. A single female 

 deposits 50 or 60 during a period of 2 weeks. 

 (See text figs. 7a, 8.) 



Distribution: Europe. 

 Theobald, F. V. Insect Pests of Fruit, 1909, p. 104. 



Fig. 8.— Apple bud weevil {Anthonomus 

 pomoium). (Theobald.) 



