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 . Fig. 86.—Hyphantria cunea: a, dark larva, seen from side; 6, light larva from above; c, darklarva from above; d, pupa from below; e, pupa from side; /, moth. Thelarva (Fig. 86, a, b, and c).—The caterpillars just born are pale yellow withtwo rows of black marks along the body, a black head, and with quite sparse hairs,When full-grown they generally appear pale yellowish or greenish, with a broaddusky stripe along the back and a yello
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 . Fig. 86.—Hyphantria cunea: a, dark larva, seen from side; 6, light larva from above; c, darklarva from above; d, pupa from below; e, pupa from side; /, moth. Thelarva (Fig. 86, a, b, and c).—The caterpillars just born are pale yellow withtwo rows of black marks along the body, a black head, and with quite sparse hairs,When full-grown they generally appear pale yellowish or greenish, with a broaddusky stripe along the back and a yellow stripe along the sides ; they are coveredwith whitish hairs, which spring from black and orange-yellow warts. The cater-pillar is, however, very variable both as to depth of coloring and as to observations have failed to show that different food produces changes in the 246 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. coloration ; in fact nearly all the various color varieties may be found upon the sametree. The fall generation is, however, on the whole, darker, with browner hairsthan the spring generation. As soon as the young caterpi
Size: 1212px × 2063px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtongovtprin