80 



A MANUAL OF DANGEROUS INSECTS. 



Laspeyrcsia strobilella Linnjeus (Grapholitha). 



(.Spruce Cone Moth. Tortricidse, Lepidoptera.) 



Host. — Spruce {Picea excelsa). 



Injury. — Breeds in the coues. ' 



Description and biology. — Moth, wing expanse 10-14 mm., forewings dark gray 

 brown, fringed, with fine wlaitish lines, hind wings gray brown, with white fringe. 

 Pupates in the cones. Larva 11 mm. long, yellowish white with light brown head 

 and thoracic shield. The larva breeds in the cones. Eggs laid on the young green 

 cones. 



Distribution: Germany. 



Hess, Richard. Der Forstschutz, 1898, vol. 1, pp. 486, 487. 



SoRAUER, P. Handbuch der Pflanzenkrankheiten, 3d ed.. 1913, vol. 3, p. 281. 



■wir y? 





Fig. 43. — Spruce bark tortricid (ia.spej/r€«ia pacfotona): Injury. (Niisslin.) 



Laspeyresia tedelia Clerck (Epiblema) 



(Spruce Nest-Worm. Tortricidae; Lepidoptera.) 



Host: Spruce (Picea excelsa, Picea sitchensis). 



Injury: Injures the needles. 



Description and biology: Moth, wing expanse, 12 mm.; forewings golden brown, with 

 brown silvery transverse fascia and finer markings. Larva light yellowish brown or 

 greenish with two dorsal lines. Head and thoracic shield brownish black, flecked; 



