Sod webworm - Wikipedia, the free encyclopedia
The Sod webworms , Crambus , is an insect genus that causes damage to turfgrass areas and is distributed practically worldwide, with approximately 100 species recognized in the United States a...
en.wikipedia.org/wiki/Sod_webworm
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Sod webworm moths don't feed on lawn grasses, but they drop their eggs into the grass as they fly. After 6 to 10 days, the eggs develop into very hungry caterpillars. These immediately begin feeding on grass blades, and are active only at night.
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yardener.com/YardenersPlantProblemSolver/DealingWithPes...
yardener.com/YardenersPlantProblemSolver/DealingWithPestInsects/PestInsectsInTheLawn/SodWebworms
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Sod webworm adult (R.A. Casagrande) ... By midsummer, large sections of the lawn may be destroyed by the sod webworm caterpillars, which prefer sunny areas. Webworm damage is particularly severe in droughty conditions, in part because the turf is less able to recover from caterpillar feeding.
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www.uri.edu/ce/factsheets/sheets/sodwebworm.html
www.uri.edu/ce/factsheets/sheets/sodwebworm.html
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Although the adult sod webworm moth is not harmful to humans the larvae can wreak havoc on lawns and even some crops such as corn and wheat. This...
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www.asktheexterminator.com/lawn_pests/Sod_Webworm.shtml
www.asktheexterminator.com/lawn_pests/Sod_Webworm.shtml
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Sod webworm adults have siphoning (straw-like) mouthparts, are dull-colored moths with a wingspan of ¾ to 1 inch, and their front wings frequently are whitish, dull gray to tan-brown, often with longitudinal stripes and ... Figure 1. Adult sod webworm moth ; Image courtesy of David Cappaert www.insectimages.org...
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ento.psu.edu/extension/factsheets/sod-webworms-lawns
ento.psu.edu/extension/factsheets/sod-webworms-lawns
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Sod Webworm moth larvae ... Cutworms, sod webworms, aphids, chinch bugs, and other blade defoliating and blade sucking insects can be detected by the flotation method. Use a large coffee can with both ends removed and sink it into the turf.
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www.extension.umn.edu/distribution/horticulture/DG1008....
www.extension.umn.edu/distribution/horticulture/DG1008.html
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Sod webworm larvae feed at night on grass blades and stems. They drag the blades into silken tunnels that they construct on the soil surface. Webworm-damaged areas take on a ragged or scalped appearance. The turf first appears as brown trails or small irregular brown spots in the lawns.
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www.greensmiths.com/sworms.htm
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Sod webworms feed by clipping leaf blades off close to the soil surface. Heavy feeding will cause irregular brown areas of grass stubble. The sod webworm larva, which is actually a caterpillar, can be difficult to find as it readily hides in thatch and debris.
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urbanext.illinois.edu/lawnchallenge/lesson7a.html
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This type of damage usually occurs in the spring when plants are small and most vulnerable to stem damage (see Corn/Sorghum Sod Webworm Note). In grasses, they either cut off the blades at ground level and pull them into the tunnels, or they skeletonize the plants, causing characteristic brown spots in normally green lawns.
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ipm.ncsu.edu/AG271/forages/sod_webworm.html
ipm.ncsu.edu/AG271/forages/sod_webworm.html
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