. Insect pests of farm, garden and orchard . The Cotton Worm * Until the advent of the boll weevil, the cotton worm wasmuch the most serious insect pest of cotton. Since then, however,its importance has been rather overshadowed in the mind of the. Fig. 174.—Pimpla conquisitor, one of the principal parasites of the cotton-caterpillar: «, larvae enlarged; h, head of same still more enlarged;c, pupa; d, adult female enlarged; e, f, end of abdomen of adult male,still more enlarged. (From Fourth Rept. U. S. Entom. Comm.) planter by the onslaught of the invading Mexican pest and wherethe boll weevil


. Insect pests of farm, garden and orchard . The Cotton Worm * Until the advent of the boll weevil, the cotton worm wasmuch the most serious insect pest of cotton. Since then, however,its importance has been rather overshadowed in the mind of the. Fig. 174.—Pimpla conquisitor, one of the principal parasites of the cotton-caterpillar: «, larvae enlarged; h, head of same still more enlarged;c, pupa; d, adult female enlarged; e, f, end of abdomen of adult male,still more enlarged. (From Fourth Rept. U. S. Entom. Comm.) planter by the onslaught of the invading Mexican pest and wherethe boll weevil is abundant the stripping of the late foliage b}the cotton WOrm really aids in the control of the weevil, as willbe explained later. Life History.—During the winter months the adult mothhibernates in the most southern portion of the cotton-belt, in therank wire-grass occurring in the more thickly timbered a few of these survive, but they are very capable early March they lay eggs upon volunteer cotton when it is * Alabama argillacea Hubn. Family Noctuidce. 244 INSECT PESTS OF FARM, GARDEN AND ORCHARD only an inch or two high. The eggs are hiid singly, usually uponthe under surface of the leaves near the top


Size: 1932px × 1293px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915