. Nature study and life. Nature study. 224 NATURE STUDY AND LIFE damaged. The parent is a small black sawfly with smoky wings. Numbers may be caught about the rose bushes on sunny mornings in May or early June. When full-grown the larvae burrow into the ground and there pass the winter. Several authorities — Harris, Comstock, Cragin — state that there are two broods of rose slugs a year. Miss Murt- feldt's experiments, with which the writer's observations agree, prove that there is but a single brood. The Pear-Tree Slug, Eriocampa cerasi, is the larva of a sawfly about the size of the above, s
. Nature study and life. Nature study. 224 NATURE STUDY AND LIFE damaged. The parent is a small black sawfly with smoky wings. Numbers may be caught about the rose bushes on sunny mornings in May or early June. When full-grown the larvae burrow into the ground and there pass the winter. Several authorities — Harris, Comstock, Cragin — state that there are two broods of rose slugs a year. Miss Murt- feldt's experiments, with which the writer's observations agree, prove that there is but a single brood. The Pear-Tree Slug, Eriocampa cerasi, is the larva of a sawfly about the size of the above, shining black with iridescent wings, the front pair smoky in the center. It feeds, like the rose slug, on pear or cherry leaves and winters in the ground. The Red-Humped Apple-Tree Caterpillar, Qidemasia con- cinna. — This species and the yellow-necked apple-tree caterpillar, Datana ministra, are apt to attract attention in the late summer or early fall. Their caterpillars are striped yellow and white on a dark ground, the one with the head and fourth segment coral red, the other with the head shining black and first segment orange. They feed and rest in close ranks and strip the branches perfectly clean as they descend. When disturbed they secrete an acrid-smelling fluid, which evidently protects them from birds. They are the larvae of moths which spend the. Fig. 95 Red-Humped .'\pple-Tree Caterpillars «, larvEe parasitized by iclineunions. 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 Hodge, Clifton Fremont, 1859-. Boston and London, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatures, bookyear1902
