no 



A MANUAL OF DANGEROUS INSECTS. 



Capnodls tenebrionls Linnseus. 



(Buprestidse; Coleoptera.) 



Hosts: Various fruit trees. 

 Injury: To leaves and roots. 



Description and biology: Adult length 15-22 mm.; color opaque black, with pro- 

 thorax sparsely dusted with cinereous; feeds on leaves. Larva elongate, whitish. 



covered with a fine pubesence; feeds iu 

 roots and trunk beneath cortex. Eggs de- 

 posited during August and September on 

 crown of trees. (See text fig. 59.) 

 Distribution: Southern Europe. 

 SiLVESTRi, F. Dispense di Entomologie 

 Agraria, 1911, p. 335. 



Phylloblus oblongus Liunseus. 



Fto. 59.- 



(Oblong Leaf Wee^^l. Brachyrhinida? ; 

 Coleoptera.) 



Hosts: Fruit trees, bushes. 



Injury: Frequent. Adults attack young 

 buds and leaves. Larvae feed on roots of 

 various plants. 



Description and biology: Adult length 4-5 

 mm.; black; elytra covered with brown 

 scales with reddish tinge or pale gray, bor- 

 ders dark; head, thorax, and elytra covered 

 with gray pubescence; legs brown or yel- 

 Occurs throughout May and June. Pupates in spring in earth. Larva a 



Winters as larva. Eggs are depos- 



-Fruit tree borer ( Capnodis tenebrionis): 

 Adult, larva. (Silvestrl.) 



lowish 



white footless grub, slightly hairy; head brown 



ited in ground. 



Distribution: Europe. 

 Theobald, F. V. Insect Pests of Fruits, 1909, p. 119. 



Blston hlrtarius Clerck. 

 (Cherry Spinner. Geometridse; Lepidoptera.) 



Hosts: Stone fruits, orchard trees. 



Injury: Defoliation. 



Description and biology: Adult in both sexes winged; whitish, dusted with black- 

 ish gray and obliquely marked with blackish brown. Occurs in March and April 

 (Germany). Pupates in the earth. Larva., length 35 mm.; ash gray or brown in 

 color, with longitudinal dark lines; prothorax, tubercles and two spots on each seg- 

 ment yellow; occurs from May until September. (See text fig. 60.) 



Distribution: Germany, northern Europe. 

 SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 339. 



Blston pomonarius Hiibner. 



(Geometridae; Lepidoptera.) 



Hosts: Fruit trees and oaks. 

 Injury: Defoliation. 



Description and biology: Adult, male wings grayish white, on border blackish, dusted 

 with gold, with dark oblique lines; female, with wing stumps black, sprinkled with 



