. Cooperative economic insect report. Insect pests Control United States Periodicals. - 58 - Description: E. insulana moth has wing expanse of about 25 ram. Color of fore - wing varies but is commonly grass green. Hindwing is white. The egg is spherical, about mm. in diameter, bluish-green with parallel longitudinal ridges which project upwards. The newly-hatched caterpillar is brownish-white with a dark head and prothoracic shield and is about ram. in length. Around the fifth day of development, orange yellow tubercules are prominent on the second and third thoracic and first abdomina
. Cooperative economic insect report. Insect pests Control United States Periodicals. - 58 - Description: E. insulana moth has wing expanse of about 25 ram. Color of fore - wing varies but is commonly grass green. Hindwing is white. The egg is spherical, about mm. in diameter, bluish-green with parallel longitudinal ridges which project upwards. The newly-hatched caterpillar is brownish-white with a dark head and prothoracic shield and is about ram. in length. Around the fifth day of development, orange yellow tubercules are prominent on the second and third thoracic and first abdominal segments. A full-grown larva, measuring about 15-18 mm., is greenish-white with black marks all over the body and with orange dots on the prothorax. The papa is purplish brown. There is a distinct median ridge on the thorax and several prominent points on the fifth abdominal segment. The pupa is enclosed in a tough silken cocoon of dirty white to light brown color. (Prepared in Plant Pest Survey Section in Cooperation with other ARS agencies). CEIR7(16) 4-19-57. ^0 %0 Adults (showing variation). Egg Larvae Photographs of E. insulana egg and larvae and damaged cotton bolls from Trabajos (Serie FitopatoTogia) No. 152 by S. Planes, 1946, Madrid, 10 pp. Adults - USDA photograph. Photograph of damaged cotton plant from Spotted Bollworms in So. Gunarat by Ind. Cent. Cotton Comm., 1935, Bombay, 24 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 United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Branch; United States. Plant Pest Control Division; United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs. Washington, D. C. : U. S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quaranti
Size: 2730px × 915px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber62
