. Manual of fruit insects. Fig. 324. — Egg-cluster of the obsolete-banded strawberry leaf-roller, muchenlarged, with another cluster natural size in upper right-hand corner. leaflet by spinning silken threads above its body from one sideto the other across the mid-rib and thus gradually draw-ing the edges of the leaflettogether (Fig. 320). Withinthis protecting roll the cater-pillar lives, feeding upon theleaf and often joining otherleaves to it. Sometimes thecaterpillar forms a similarprotection by drawing to-gether the blossoms andforming fruits, which it eats(Fig. 325). In New York the firs
. Manual of fruit insects. Fig. 324. — Egg-cluster of the obsolete-banded strawberry leaf-roller, muchenlarged, with another cluster natural size in upper right-hand corner. leaflet by spinning silken threads above its body from one sideto the other across the mid-rib and thus gradually draw-ing the edges of the leaflettogether (Fig. 320). Withinthis protecting roll the cater-pillar lives, feeding upon theleaf and often joining otherleaves to it. Sometimes thecaterpillar forms a similarprotection by drawing to-gether the blossoms andforming fruits, which it eats(Fig. 325). In New York the firstbrood of caterpillars () mature about the first. Fig. 325. — Young fruits tied togetherand ruined by the caterpillars. 866 FRUIT INSECTS week of June and transform to slender dark brown pupae,about I inch in length, within the folded leaf (Fig. 322).In about ten days the moths emerge (Fig. 323). Thegeneral color of the moth varies from wood-brown to russet;the fore wings are crossed obliquely by a broad, dark brownband and have a large spot of the same color near the thin, oval, light lemon-yellow eggs are laid in clusters ofmore than a hundred, overlapping each other like shingles on^ a roof (Fig. 324). vl f^ ^^^^^ Just where the ^^ . 4 ^^^^^^^^^L moth places her % YUm^^^^M ^gS^ ^^ ^he field has not been de-termined. Theeggs hatch in aboutten days. In NewYork there are threebroods a year, cat-erpillars developing How the caterpillars destroy the leaves in May, July and which they roll. December. Means of control. The measures suggested for use against the strawberry leaf-roller on page 363 would doubtless be effective aga
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915
