. A manual for the study of insects. Insects. LEPIDOPTERA. 243 the habits of the boring species. The larva infests the small branches of pitch-pine. It is a yellowish-brown caterpillar, which makes a burrow along the centre of the branch. Its presence may be detected by the resin that flows out of the wound in the twig and hardens into a lump. Two of these lumps are shown in the figure, one of them splits lengthwise, and the other with a pupa-skin pro- jecting from it. The larva, pupa, and adult are also figured. The moth is represented natural size; the darker shades are dark rust- color, and


. A manual for the study of insects. Insects. LEPIDOPTERA. 243 the habits of the boring species. The larva infests the small branches of pitch-pine. It is a yellowish-brown caterpillar, which makes a burrow along the centre of the branch. Its presence may be detected by the resin that flows out of the wound in the twig and hardens into a lump. Two of these lumps are shown in the figure, one of them splits lengthwise, and the other with a pupa-skin pro- jecting from it. The larva, pupa, and adult are also figured. The moth is represented natural size; the darker shades are dark rust- color, and the lighter, light-gray. The insect winters as a larva; the adult emerges in May and June, The Frustrating Retinia, Retinia /rustra/ia(irus-tr3i^ns).—This species infests the new growth of several species of pine, spinning a delicate web around the terminal bud, and —i?^/z«2^/r2^j/r^««,larva, pupa, adult, and work. (From mining both the twig and the bases the Author's Report for 1879.) of the leaves. The larva, pupa, and adult are represented somewhat enlarged in the figure. An infested twig is also shown (Fig. 290).. Family CONCHYLID^ (Con-chyri-dae). T/ie Conchy lids {Con' chy-lids\ This is the smallest of the three families of Tortricids, less than fifty species occurring in our fauna. The members of it can be recognized by the characters given in the table above. Comparatively httle is known about the habits of our species. The Juniper Web-worm, Conchy lis rtctilana (Con'chy-lis ru-ti-la'na), is an imported species which has attracted atten-. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. joint author. Ithaca, N. Y. , Comstock Pub. Co.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1895