Insects injurious to fruits . ownin Fig. 275. The egg-clusters from which these larvae pro-ceed, consisting of twenty eggs or more. Fig. 275. are fastened by themoth to the underside of the young, thelittle caterpillars eatonly the soft tissuesof the leaves, leavingthe fine net-work ofveins untouched, asshown on the rightof the figure, butas they grow olderthey devour all butthe larger veins, asshown on the oppo-site side. They acquire full growth in August, when theymeasure about six-tenths of an inch in length, are of a yellowcolor, slightly hairy (see Fig. 276, a), with a trans
Insects injurious to fruits . ownin Fig. 275. The egg-clusters from which these larvae pro-ceed, consisting of twenty eggs or more. Fig. 275. are fastened by themoth to the underside of the young, thelittle caterpillars eatonly the soft tissuesof the leaves, leavingthe fine net-work ofveins untouched, asshown on the rightof the figure, butas they grow olderthey devour all butthe larger veins, asshown on the oppo-site side. They acquire full growth in August, when theymeasure about six-tenths of an inch in length, are of a yellowcolor, slightly hairy (see Fig. 276, a), with a transverse rowof black spots on each segment; they feed with their headstowards the margin, and gradually retreat as the leaf is de-voured. When full grown, they disperse, and, retiring tosome sheltered spot or crevice, construct their tough, oblong-oval cocoons, one of which is shown at c in the figure, withinwhich in about three days they change to shining brown ciirys-alids (6) about three-tenths of an inch long, from which the.
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Keywords: ., bookcentury1900, bookdecade1900, bookidin, booksubjectinsectpests
