Insects injurious to fruits . Fig. 326. No. 182.—The Raspberry Plume-motli. Oxyptilus nigrocUialus Zeller. The caterpillar of this pretty little plume-moth has notin any instance on record been sufficiently numerous to be considered destructive, yetit is an interesting insect, andon this account deserves a pass-ing notice. About the middleof June the larva reaches fullgrowth, when it is about four-tenths of an inch long, of a paleyellowish-green color, streaked with pale yellow, and withtransverse rows of shining tubercles, from each of which arisefrom two to six spreading hairs of a yellowish
Insects injurious to fruits . Fig. 326. No. 182.—The Raspberry Plume-motli. Oxyptilus nigrocUialus Zeller. The caterpillar of this pretty little plume-moth has notin any instance on record been sufficiently numerous to be considered destructive, yetit is an interesting insect, andon this account deserves a pass-ing notice. About the middleof June the larva reaches fullgrowth, when it is about four-tenths of an inch long, of a paleyellowish-green color, streaked with pale yellow, and withtransverse rows of shining tubercles, from each of which arisefrom two to six spreading hairs of a yellowish-green head is small, pale green, with a faint brown dot on eachBide. Fig. 326 represents this larva, much ATTACKING THE LEAVES. 315 When the larva is about to change to a chrysalis, it spins aloose web of silk on a leaf or other suitable spot, to whichthe chrysalis is attached. This is less than three-tenths of aninch long, pointed behind, enlarging gradually towards thefront, where, near the end, it slopes abruptly to the tip. Itscolor is pale green, with a line along the back of a deepershade, margined on each side with a whitish ridge; it is alsomore or less hairy. In about a week or ten days the chrys-alis changes to a darker color, shortly after which the perfectinsect escapes. The moth (Fig. 327), although quite small, is very beauti-ful ; it measures, when its wings are expanded, about half aninch across. The fore wings are of a deepbrownish-copper color, with a metallic lustre,and a few dots of silvery white; they arecleft down the middle about half their depth,the division as well as the outer edge beingfringed. The hind wings, which resemblethe fore wings in color, are divided i
Size: 2342px × 1067px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidin, booksubjectinsectpests
