. Agricultural plant pest control : a study manual for commercial and governmental pesticide applicators . Weeds; Pests. Cutworms Life cycle: Adults emerge in the spring after overwintering as larvae or pupae. The female moths deposit several hundred eggs in grassy areas and weedy fields. The eggs hatch in about one week. The larvae feed on young plants by cutting them just above or below the soil sur- face. Mature larvae also feed on the foliage of older plants. The mature larvae burrows into the soil and form a cell and pupates. Nearly all species of cutworms overwinter as larvae or pupae in
. Agricultural plant pest control : a study manual for commercial and governmental pesticide applicators . Weeds; Pests. Cutworms Life cycle: Adults emerge in the spring after overwintering as larvae or pupae. The female moths deposit several hundred eggs in grassy areas and weedy fields. The eggs hatch in about one week. The larvae feed on young plants by cutting them just above or below the soil sur- face. Mature larvae also feed on the foliage of older plants. The mature larvae burrows into the soil and form a cell and pupates. Nearly all species of cutworms overwinter as larvae or pupae in the soil. There is usually one genera- tion per year. Cutworm larvae Cutworm larvae are usually soft, fat, dull gray, brown, or black in color and may be striped or spotted. They will often curl up into a "C" shape when disturbed. The larvae are typically 38 - 58 mm long. The adults are usually silvery gray, with spots or bands. They are active at night and are often attracted to lights. Damage: The larvae usually feed at night and cut off young plants or feed on the foliage of older plants. If alfalfa fields do not "green up" in the spring it may indicate the presence of cut- worms. Adult cutworm moth Habitat: Cutworms are primarily a pest of alfalfa and clover, but will attack other legumes. Control: Examine the soil around plants to locate the larvae. They will spend the day "rest- ing" just under the soil surface. Treat when 5 or more larvae per square foot are present. Irrigat- ing the field before treating helps bring the lar-. 99. 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 Montana. Dept. of Agriculture; Hinck, Laura; Johnson, Kim; Mullin, Barbara H; Montana. Agricultural Sciences Division. Helena, Mont. : Montana Department of Agriculture
Size: 1994px × 1254px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bhlco, bookcentury1900, bookcollectionamericana, booksubjectweeds
