. Annual report of the Regents. New York State Museum; Science. INJURIOUS AND BENEFICIAL INSECTS 4S 88 Lace-winged flies (Chrysopa species). The delicate green, gauzj winged adults are beautiful creatures. The voracious, active larvae are veritable aphis lions, and may be seen in con-. FiG. 80 Lace-winged fly Chrysopa oculata Say: a eggs; & full-grown larva; c foot of same; dsame dpvourlng a Psylla; e cocoon; /adult insect; g head of same; h adult, natural size (reduced after Marlatt, U. S. dep't agr., div. ent., circ. 7, 2d s.) siderable numbers on trees infested with aphids. The eggs, cu
. Annual report of the Regents. New York State Museum; Science. INJURIOUS AND BENEFICIAL INSECTS 4S 88 Lace-winged flies (Chrysopa species). The delicate green, gauzj winged adults are beautiful creatures. The voracious, active larvae are veritable aphis lions, and may be seen in con-. FiG. 80 Lace-winged fly Chrysopa oculata Say: a eggs; & full-grown larva; c foot of same; dsame dpvourlng a Psylla; e cocoon; /adult insect; g head of same; h adult, natural size (reduced after Marlatt, U. S. dep't agr., div. ent., circ. 7, 2d s.) siderable numbers on trees infested with aphids. The eggs, curiously placed on the end of a slender stalk, always excite admir- ation in the beholder. 89 Spined soldier bug (Podisus spinosus). Represents a number of species which prey on other insects. This one feeds on a number of common pests, such as the potato beetle, elm leaf beetle and asparagus beetle grubs. One is frequently seen with a grub of the elm leaf beetle or asparagus beetle on its extended beak. 90 Pimpla (Pimpla conquisitor). This species is one of the most valuable of the hymenopterous parasites, and represents a large clasis of parasites which render good service in keeping many pests under control. It was reared. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
