Grass Webworm Moth vs Comstock's Net-Winged Midge

Side-by-side species comparison

Attribute Grass Webworm Moth Comstock's Net-Winged Midge
Scientific Name Herpetogramma licarsisalis Agathon comstocki
Order Lepidoptera Diptera
Family Crambidae Blephariceridae
Size 20-26 mm wingspan 5-8 mm
Habitat Grasslands Ponds & Lakes
Diet Omnivores Omnivores
Regions Southeast Asia, Oceania, Africa, South America North America
Conservation Least Concern Least Concern

Grass Webworm Moth

A small brownish moth with faint wavy lines across the forewings. Its larvae spin silk webs over grass and can cause serious damage to tropical lawns and pastures.

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Did You Know?

Larvae create silken tunnels at the base of grass stems where they hide during the day.

Comstock's Net-Winged Midge

A western North American net-winged midge found on waterfall-splashed rocks. Larvae have a unique caterpillar-like body with sucker discs.

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Did You Know?

Larvae inch forward using alternating suction attachment, moving like a caterpillar across wet rock faces.