. Insect pests of farm, garden and orchard . feed in the blossoms, and a half-dozen may often befound feeding in single squash l)lossoms, for which they seemto have a decided preference. As they grow older the larvaewander from one plant to another, often boring into severalfruits. The older larvte bore into the fruit, the excrementbeing pushed out from the orifice and later accumulating inthe cavity within. A single larva boring into the rind will dosufficient injury to start decay and ruin the fruit, and often a * Diaphania nitidalis Cramer. Family Pyraustidoe. See A. L. Quaintance,Bulletin
. Insect pests of farm, garden and orchard . feed in the blossoms, and a half-dozen may often befound feeding in single squash l)lossoms, for which they seemto have a decided preference. As they grow older the larvaewander from one plant to another, often boring into severalfruits. The older larvte bore into the fruit, the excrementbeing pushed out from the orifice and later accumulating inthe cavity within. A single larva boring into the rind will dosufficient injury to start decay and ruin the fruit, and often a * Diaphania nitidalis Cramer. Family Pyraustidoe. See A. L. Quaintance,Bulletin 54, Geo. Agr. Exp. Sta., R. I. Smith, Bulletin 214, N. C. , Sta. 308 INSECT PESTS OF FARM, GARDEN AND ORCHARD half-dozen or more will be found in a single melon. Until halfgrown the larvse are marked with transverse rows of blackspots. The full-grown larva is about three-quarters inch long,. l*iG. 287.—The pickle worm {Diaphariia nitidalis Cramer): larva, pupa, andadult—all enlarged. (Photos by Quaintance.) greenish or yellowish-green, with head and prothoracic shieldbrown. The larva reaches maturity in about two weeks, whena thin silken cocoon is made in the fold of a leaf in which the INJURIOUS TO MELONS, CUCUMBERS, SQUASH, ETC. 399 pupal stage is assumed, which occupies about a week. The pupais one-half to one inch long, brown, with wing and leg sheathslighter^ and the tip of the alxlomen bears a group of short curvedspines which hold the pupa more securely in the cocoon. DuringJuly and August the complete life cycle requires a])out four weeksin Georgia, and at least three definite generations have beenrecognized^ the injury by thelarvae being most severe inJuly and August, evidentlyby the second winter is passed in thepupal stage in the foliage ortrash remaining on the —As injury is worstin late summer, earh plant-ings and early-matu
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