. A manual for the study of insects. Insects. 220 THE STUDY OF from the lower end, and Figure 251 the fully developed male. These figures are of one of our smaller species, which belong to the genus Psyche (Psy'che). Abbot's Bag-worm, Oiketicus abbotii (Oi-ket^i-cus ab- bot'i-i).—This species occurs in the more southern part of our country. The larva makes a bag with sticks attached to it crosswise (Fig. 249). The Evergreen Bag-worm, Thyridopteryx ephemercefor- mis (Thyr-i-dop^te-ryx e-phem-e-rae-for'- mis).—This is our best known species, and on this account has been commonly called
. A manual for the study of insects. Insects. 220 THE STUDY OF from the lower end, and Figure 251 the fully developed male. These figures are of one of our smaller species, which belong to the genus Psyche (Psy'che). Abbot's Bag-worm, Oiketicus abbotii (Oi-ket^i-cus ab- bot'i-i).—This species occurs in the more southern part of our country. The larva makes a bag with sticks attached to it crosswise (Fig. 249). The Evergreen Bag-worm, Thyridopteryx ephemercefor- mis (Thyr-i-dop^te-ryx e-phem-e-rae-for'- mis).—This is our best known species, and on this account has been commonly called The Bag-worm. But as it is desir- able to have different names for the dif- ferent species, we call this one the Ever- FiG. 252.— rhyridopteryx ^ ephemertEforniis. grccn Bag-worm ; for although it feeds on many different trees, it prefers red cedar and arbor vitae. The bag of this species is about the same size as that of Abbot's Bag-worm; but it dif- fers in being covered ^ , with bits of leaves of cedar or arbor vitae, or with twigs attached lengthwise. The structure of the wings of the Psy- chidae is very char- acteristic (Fig. 253). Both the fore and the hind wings may have either two or ^^*^* ^^S-—Wings of Thyridopteryx epkemerce/ormis. three anal veins ; but the anal veins of the ^^ fore wings are grown together so as to ap- pear as a single much-branched vein. The base of vein V is preserved and is forked. 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
