. Manual of fruit insects. Fig. 326. ReferenceCornell Agr. Exp. Sta. Bull. 190, pp. 145-149. 1901. The Black-marked Strawberry SlugEmpria maculata Norton In the Northern states east of the Rocky Mountains and inCanada the foliage of the strawberry is occasionally attackedby the greenish larvae of a small dark colored sawfly. Out- STRAWBERRY INSECTS 367 breaks have been reported from Missouri, Illinois, Indiana andCanada. The adult is a black-bodied, four-winged fly about | inchin length and has a row of whitish spots on each side of theabdomen. The flies emerge from the ground in early springa
. Manual of fruit insects. Fig. 326. ReferenceCornell Agr. Exp. Sta. Bull. 190, pp. 145-149. 1901. The Black-marked Strawberry SlugEmpria maculata Norton In the Northern states east of the Rocky Mountains and inCanada the foliage of the strawberry is occasionally attackedby the greenish larvae of a small dark colored sawfly. Out- STRAWBERRY INSECTS 367 breaks have been reported from Missouri, Illinois, Indiana andCanada. The adult is a black-bodied, four-winged fly about | inchin length and has a row of whitish spots on each side of theabdomen. The flies emerge from the ground in early springand the female inserts her pure white, elongate, compressedeggs in the petioles of the leaves. The eggs hatch in about twoweeks and the yellowish or greenish larvae attract attention inMay by eating small round holes in the leaves. When abundantthey may completely destroy the foliage in a few days. Muchof the feeding is done at night; during the day the larvae remaincurled up on the underside of the leaves or hide at the ba
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