. Cooperative economic insect report. Beneficial insects; Insect pests. followed by a second batch after the female feeds above ground for about two additional weeks. The eggs hatch in about six or seven weeks and the small larvae begin feeding on fine roots of grasses, young trees and other plants. In late September they move down to levels of 12 to 30 inches and remain inactive until spring when they ascend to upper levels of the soil and resume feeding. Pupation occurs in the third year but adults do not emerge until the following spring thus four years are required for a life cycle. Number
. Cooperative economic insect report. Beneficial insects; Insect pests. followed by a second batch after the female feeds above ground for about two additional weeks. The eggs hatch in about six or seven weeks and the small larvae begin feeding on fine roots of grasses, young trees and other plants. In late September they move down to levels of 12 to 30 inches and remain inactive until spring when they ascend to upper levels of the soil and resume feeding. Pupation occurs in the third year but adults do not emerge until the following spring thus four years are required for a life cycle. Numbers of adults vary from year to year but there is usually a "flight year" once in four when the chafers are much more abundant. (Prepared in Plant Pest Survey Section in cooperation with other ARS agencies). January 11, 1957. Adult. Slightly over natural aize. \J. 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. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyattsville, MD. [etc. ] Plant Protection and Quarantine Programs Animal and Plant Health Service
Size: 1280px × 1953px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
