Insect pests of farm, garden and orchard . rliiU., larva,and larval castings—all enlarged. (After Lugger.) shoot about an inch apart, causing the tip to wither and these rings will be found a small dark spot where thefemale has inserted an egg in the cane. A rather large, elliptical,yellow egg is placed in the pith of the cane and in a few dayshatches into a small white grub. The larvae burrow downward * Oberea bimaculata Oliv. Family Cernmbycidw. See Comstock andSlingerland, Bulletin 23, Cornell lliiiv. Agr. Exp. Sla., p. 122. INSECTS INJITRIOTTS TO RASPBERRY AND BLACKBERRY 463
Insect pests of farm, garden and orchard . rliiU., larva,and larval castings—all enlarged. (After Lugger.) shoot about an inch apart, causing the tip to wither and these rings will be found a small dark spot where thefemale has inserted an egg in the cane. A rather large, elliptical,yellow egg is placed in the pith of the cane and in a few dayshatches into a small white grub. The larvae burrow downward * Oberea bimaculata Oliv. Family Cernmbycidw. See Comstock andSlingerland, Bulletin 23, Cornell lliiiv. Agr. Exp. Sla., p. 122. INSECTS INJITRIOTTS TO RASPBERRY AND BLACKBERRY 463 tlirougli the pith of the steins, the burrows wiiuling from sideto side and frequently penetrating the side of the stem, whereopenings are made every few incites, through which long stringsof excrement are cast out. By fall they have l)ored to the baseof the cane, in which they hibernate over winter. The full-grown larva is about one inch long, of a <lull yellow color, witha small dark-l)ro\vn head. The body is (|uite cylindrical and.
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