Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . acic feet, are of the same color as the body. Length,6 to 7. Pupa.—Very long and slender, so delicate as to scarcelyretain its shape when the moth has left it. Moth.—Violaceous, reddish, or brownish purple, accord-ing to the light. Face pale violaceous, flecked with brown-ish purple. Antennae brown, tinged with purplish, faintlyannulate with white at the base of each joint; palpi palepurplish. The triangular white spot at about the m


Fifth report of the United States Entomological Commission, being a revised and enlarged edition of Bulletin no7, on insects injurious to forest and shade trees . acic feet, are of the same color as the body. Length,6 to 7. Pupa.—Very long and slender, so delicate as to scarcelyretain its shape when the moth has left it. Moth.—Violaceous, reddish, or brownish purple, accord-ing to the light. Face pale violaceous, flecked with brown-ish purple. Antennae brown, tinged with purplish, faintlyannulate with white at the base of each joint; palpi palepurplish. The triangular white spot at about the middle of the costa is nearlyequilateral; its anterior margin is a little concave, the apex reaching the fold, and ithas four small spots of the general hue situated in it upon the costa. Fringe bluishfuscous. Posterior femora white at the tip and with a white band around the mid-dle, and their under surface entirely white. Posterior tibiae and inner surface ofintermediate tibiae white. Tarsi pale grayish fuscous, faintly annulate, with whiteat the joints. Abdomen purplish fuscous, on a white ground. Expanse of thewings, half an inch (). (Chambers.). Fig. 193. — WiUow leaffolded by Gracilaria.—Wilder del. 49. Tineid larva. This larva is common on the willow at Brunswick, late in August,fastening the leaves together. Larva.—Body a little thicker than that of Gracilaria purpuriella, being quitethick, with large flattened setiferoua tubercles, four in a line across the thoracicsegments, and two large ones on the abdominal segments. Head small, very darkamber-colored; prothoracic shield black-brown. Body dull olive green; supra-analplate and anal legs darker. Long pale Lairs along the sides of the body. Length, WILLOW LEAF-MINERS, 579 50. Gradlaria larva. Associated with the foregoing species and Gradlaria purpuriella,August 20, at Brunswick, Me. It fastens two leaves together, liningthe cavity thus formed with white silk. It also turns a whole leaf over,inside out, jo


Size: 915px × 2730px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtongovtprin