. Manual of fruit insects. materials. Almost invariably the codlin-moth hibernates as a larva in tough silken cocoons under loose pieces of bark, in crevices in the tree or in near-by fences, or in other suitable shelter (Fig. 5). In orchards of smooth-barked trees where no better place is available they will spin their cocoons in cracks in the ground and at the base of the trunk. The cocoon is ^ ^ „. Fig. 5. — Codlin-moth rather thm, but quite tough, and is made larva in its cocoon on alargely of silk in which are mixed bits of bark-flakc (x 2).the substance on which it is made. It is lined w
. Manual of fruit insects. materials. Almost invariably the codlin-moth hibernates as a larva in tough silken cocoons under loose pieces of bark, in crevices in the tree or in near-by fences, or in other suitable shelter (Fig. 5). In orchards of smooth-barked trees where no better place is available they will spin their cocoons in cracks in the ground and at the base of the trunk. The cocoon is ^ ^ „. Fig. 5. — Codlin-moth rather thm, but quite tough, and is made larva in its cocoon on alargely of silk in which are mixed bits of bark-flakc (x 2).the substance on which it is made. It is lined with white silk, and the outside is renderedquite inconspicuous by the addi-tion of bits of dirt and cocoons of the over-winter-ing larvae are thicker and tougherthan those of the summer the advent of Warmweather in the spring the larvachanges to a pupa, usuallywithin the old cocoon (Fig. 6),but sometimes it may migrateto some other portion of thetrunk and there construct a newUsually just before. Fig. 6. — C;<)dlin-moth pupa incocoon (X 2). cocoon. pupation the larva will open the 12 FRUIT INSECTS
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915
