Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . The wood leopard-tnoth, Zeiizera pyrina.—a, b, larva, from above and side, abouthalf grown; c, male, d, female; e, larval burrow, showing the tendency of the full-grown caterpillar to girdle its food plant. benefit; but it will take years of steady work to lessen the insectsin some of our cities, and to remove them as a source of dangerto the shade-trees. In the family Acr^^/V/^, or owlet-moths, we have a largenumber of species, and among them many that are troublesometo the
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . The wood leopard-tnoth, Zeiizera pyrina.—a, b, larva, from above and side, abouthalf grown; c, male, d, female; e, larval burrow, showing the tendency of the full-grown caterpillar to girdle its food plant. benefit; but it will take years of steady work to lessen the insectsin some of our cities, and to remove them as a source of dangerto the shade-trees. In the family Acr^^/V/^, or owlet-moths, we have a largenumber of species, and among them many that are troublesometo the agriculturist. The moths are, as a rule^ sombre gray orbrown, exi)anding when the wings are spread between one andthree inches, averaging perhaps an inch and a half in the majorityof cases. Tiie fore-wings are comparatively narrow, rather short flG. 323. ^g- 293. pupa of Gypsy iiiotli. 1-igs. 315, 316, 317, larva, cocoon, and male motho{ Sericaria mort, the silk-worm. Fig. 318, moth, and Fig. 323, larva of Acronyctaamericana. THE INSECT WORLD. 2S9 and stout, crossed by a series of more or less marked crenulatedor wavy lines, and with two usually darker or paler spots in thediscal part of the wing. Of these, that nearest to the base ofthe wing is round or nearly so, and is called the orbicular ; theother and larger, nearest to the outer part of the wing, is kidney- FiG. 322.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
