. Annual report on the New York State Museum of Natural History. Science. Entomological Contributions. 121 writes (loc. cit., p. 306), "larva entirely naked ;" and, on page 307, he institutes a comparison between the caterpillars of the Agaristiada;, " wliicli are sparingly covered with hairs," and those of Eudryas, "in which the caterpillar is not at all ; The two figures of grata given in the Treatise oji Insects Injurious to Vegetation^ represent the larva as hairless. Riley (2^ Eej). Lis. Mo., p. 80) says of oeto- maculata, "each spot or tubercle gi
. Annual report on the New York State Museum of Natural History. Science. Entomological Contributions. 121 writes (loc. cit., p. 306), "larva entirely naked ;" and, on page 307, he institutes a comparison between the caterpillars of the Agaristiada;, " wliicli are sparingly covered with hairs," and those of Eudryas, "in which the caterpillar is not at all ; The two figures of grata given in the Treatise oji Insects Injurious to Vegetation^ represent the larva as hairless. Riley (2^ Eej). Lis. Mo., p. 80) says of oeto- maculata, "each spot or tubercle gives rise to a white liair," and of grata (1. c, p. 83), that it differs from the preceding by the hairs being less conspicuous. Of the latter species Mr. W. Saunders* states that " the bands are dotted with round black dots, from each of which arises a single short brown ; In the examples of the larvae (about half-grown) of grata before me, the hairs do not exceed in length the breadth of the central band, and are noticeable only on close observation. In octomaculata they are quite long, equaling in length the diameter of the body, if we may refer to this species the description by Dr. Packard f of some larvae collected by Mr. Putnam on the grape-vine, and deposited as grata larvae in the Museum of Comparative Zoology at Cambridge. The description of the grata larva, given in the Guide to the Study of Insects, pp. 281-2, with its hump on the eighth ring, and each segment having across it a row of tubercles which give rise to three fascicles of hairs, evidently refers to some other form. The following may be noticed as distinguishing features of these closely allied forms, which should serve to remove all occasion for confounding the two first mentioned with one another or with the Eudryades: The larva of Psychomorpha epimenis (also a grape-vine feeder) has on each segment four white and ^^**- ^• four black bands (four-banded on a white ground), and is with
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