134 A MANUAL OF DANGEROUS INSECTS. 



Laspeyrcsla amplana Hiibner (Carpocapsa.) 



(NiitTortrix. Tortricidae; Lepidoptera.) 



Bosts: Hazelnut, walnut. 



Injury: To fruit. 



Descnption and biology: Forewing cinnamon colored, with large light spots on both 

 Bides darkened by brown spots on the inner margin. FHes in July (Germany) Larva 

 dirty white; head and back darker; bores into the nuts; overwinters in soiV pupating 

 m spring. Eggs deposited on unripe nuts. ' ^ ^ 



Distribution : Europe . 



SoR.^UER, P. Handbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3, p. 276 



Henschel, G. a. G. Die Schadlichen Forst- und Obstbaum-Inlekten,' ISOo' p. 432. 



B. IMPORTANT HAZEL IN- 

 SECTS. 



HEMIPTEEA. 

 Coccidse. 



Unarmored— 

 Lecanium coryli Linnfeus; 



Europe; Corylus avellana, C. 



colurna. 

 Lecanium pulchrum Marchal; 



Europe; Corylus avellana. 

 Phenacoccus aceris Signoret; 



Europe; Corylus avellana. 

 Pulvinaria betulx Liniiiieus; 



Europe; Corylus avellana. 



COLEOPTERA. 

 Buprestidse. 



Agrilus angmtulus Uliger; A. 

 subauratus Gebler; Europe; 

 bore in bast and sap wood, 

 especially of saplings. 

 Elateridse. 



Athous subfuscus Miiller, wire- 

 worm; Europe; injiores nuts 

 and seedlings. 



Fig. 



-The nut weevil {Curculio nucum): Adult puncturing 

 nut. (Guenaux.) 



Cerambycidae. 



Oberea linearis Linnaeus; Europe; bores in pith of niu-sery stock. 

 Chrysomelldae. 



Haltica quercetorum Foudr.; Europe; leaf beetle. (See Oak.) 

 Curciilionldae. 



Magdalis carbonaria Linnaeus; Europe; bores in trunks. (See Birch.) 



LEPIDOPTERA. 

 Geometridae. 



Anisopteryx ssscularia Schiffermiller; Europe; feeds on foliage. 



Lyman triidse. 



Dasychira pudibunda Linnajus, and ^Lymantria monacha Linna?us; Europe; defoliators. (See Forest 

 defoliators.) 



Xotodontidse. 



Phalera bucephala Linnaeus; Europe. (See Forests.) 

 Tortrlcldaj. 



Laspcyresia ffrossana Ilaworth ( Carpocapsa); Europe. (See Beech.) 

 Hj-ponomeutidse. 



Argyresthia ephippella ¥iihricms; Europe. (See Plum.) 



HYMENOPTERA. 

 Tenthredlnld%. 



Monoctenus jwniperi Linn;eus; Europe; sawfly feeds on foliage. 



