. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 44 This caterpillar differs from the common j^ellow bear in having a darker body, and the sides are distinctly ornamented with yellow markings. The two species are of about the same length, and the hairs present a similar variation in color. A ^'oung- larva is illustrated at figure 41, J, a mature one at c. The moths also closely resemble each other, but the fore-wings of the present species are stronglv marked with black, and the abdomen, with exception of the first and last segments, is bright ocher above, with
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 44 This caterpillar differs from the common j^ellow bear in having a darker body, and the sides are distinctly ornamented with yellow markings. The two species are of about the same length, and the hairs present a similar variation in color. A ^'oung- larva is illustrated at figure 41, J, a mature one at c. The moths also closely resemble each other, but the fore-wings of the present species are stronglv marked with black, and the abdomen, with exception of the first and last segments, is bright ocher above, with black markings. In the female the hind-wings are white, like the fore-wings, and similarl}^ marked with black, but in the male they are ocher with two black _ dots (fig. 41, a). The life economy of these species is very similar; the}" form the same sorts of cocoons and transform in any convenient place where shelter can be obtained. In New England the salt-marsh caterpillar is credited with having a single generation, but a little far- ther south, in the Middle States, two generations have been recognized. THE HEDGEHOG CATER- PIIiLAR. {Ism [Pyrrharciia'] isabellaS. & A.) Another conspicuous cat- erpillar known to attack beets is shown in the accom- panjang illustration (fig. 42). It is recorded also as affecting peas and corn, but appears to prefer plantain and other weeds, such as dandelion and burdock. The general color of this caterpillar is bright cinnamon red and usu- ally each end is black. The long hairs with which the body is covered are so evenly distributed as to give it the appearance of being shorn or cropped. The name of hedgehog caterpillar is derived from the habit of this insect of rolling up when disturbed and of passing the winter under the bark of trees or in some similar location rolled up like a hedgehog. The life history of this insect is very similar to that of the preceding. The moth (fig. 42) is dull orange, with the fore-wings marked with dus
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