. Common injurious insects of Kansas. Insect pests. INSECTS ATTACKING CORN. 27 CORN "WORM. (Heliothis armigera Htibner; Order, Lepidoptera.) Diagnosis.— Greenish-brown, dark-striped caterpillar, an inch to an inch and a half long, feeding on the kernels of ripening sweet or field corn. Unsightly irregular channels are gnawed along the cob. Attacking, also, the tomato. Description and Life-history.—The adult is greenish-yellow, (front wings pale clay yellow, with a greenish tint, hind wings paler,) the fore wings bearing each a conspicuous dark spot near. Fig. 15. Coen Woem; a, 6, adult; c
. Common injurious insects of Kansas. Insect pests. INSECTS ATTACKING CORN. 27 CORN "WORM. (Heliothis armigera Htibner; Order, Lepidoptera.) Diagnosis.— Greenish-brown, dark-striped caterpillar, an inch to an inch and a half long, feeding on the kernels of ripening sweet or field corn. Unsightly irregular channels are gnawed along the cob. Attacking, also, the tomato. Description and Life-history.—The adult is greenish-yellow, (front wings pale clay yellow, with a greenish tint, hind wings paler,) the fore wings bearing each a conspicuous dark spot near. Fig. 15. Coen Woem; a, 6, adult; c, larva; d, pupa, in cocoon. the middle. The eggs are laid upon the silk of the young ears. " The larvse soon hatch, and eat through the husk to the succulent kernels beneath, which they devour greedily for several ; The full-grown caterpillar is about 1^ inches long, and varies in color from pale green to dark brown, with darker longitudinal stripes. On each segment of the body there are eight circular, shining, black spots, from which arise short, brown hairs. The full-grown larvae descend to the ground, burrow a few inches into the soil, and there form loose, oval cocoons of silk and dirt, within which they pupate. The adult moths issue in from two to four. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Kansas. University. Dept. of entomology. [from old catalog]. [Lawrence, Kan. ] The University
Size: 1605px × 1556px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorkelloggv, bookcentury1800, bookdecade1890, bookyear1892
