. Principles of economic zoo?logy. Zoology, Economic. 170 BRANCH ARTHROPODA Thp state fought it in every possible way, employing hundreds of men m spraying, trunk-banding, and egg-collecting. From LS'JU to 1900 Massa- chusetts spent more than a million dollars in keeping this moth in check. The hawk moths (Sphin'gida), sphynx moths (Fig. 141), or hummmg- bird moths have a stout, spindle-shaped body and long, narrow, exceed- ingly strong wings. The suck'ng tube is very long, sometimes twice as long as the body. "When not in use, it is coiled up beneath the head like a watch-spring. Their r
. Principles of economic zoo?logy. Zoology, Economic. 170 BRANCH ARTHROPODA Thp state fought it in every possible way, employing hundreds of men m spraying, trunk-banding, and egg-collecting. From LS'JU to 1900 Massa- chusetts spent more than a million dollars in keeping this moth in check. The hawk moths (Sphin'gida), sphynx moths (Fig. 141), or hummmg- bird moths have a stout, spindle-shaped body and long, narrow, exceed- ingly strong wings. The suck'ng tube is very long, sometimes twice as long as the body. "When not in use, it is coiled up beneath the head like a watch-spring. Their rich varied tints of olive, tan, black, or yellow, always subdued, save for an occasional dash of bright color on the under parts, mark them as rarely beautiful creatures. As a rule, these moths love the. Fig. 141.—Tomato-worm or tobacco-worm: larva, pupa, (After Walsh and Riley, Am. Ent.) and adult. twilight, and strangely resemble the humming-birds from (heir habit of rap- idly vibrating their wings while poising themsel\-cs over a flower and suck- ing its nectar. The larva, naked and cylindric, usually has a " horn '' on the back of the eighth abdominal segment. These caterpillars are usually green with several oblique light-colored or whitish lines on each side (see Fig. 141). When resting these caterpillars " rear the front of the body up in the air, curl the head down in a most majestic manner, and remain thus rigidh- motionless for ;' They are thus supposed to resemble the I'^gyptian sphynx, hence the name, sphynx moth. They feed upon the leaves of 1 Kellogg, 331;. 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 Daugherty, Lewis Sylvester, 1857-; Daugherty, L. S. , Mrs. , 1859-. Philadelphia, London, W. B. Saunders
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