Grass bagworm

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Grass bagworm
Conservation status
Secure
Scientific classification
Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Lepidoptera Suborder: Ditrysia Superfamily: Tineoidea Family: Psychidae Genus: Eurukuttarus Species: E. confederata
Binomial name
Eurukuttarus confederata

The grass bagworm (Eurukuttarus confederata) is a species of bagworm that only eats grass. These bagworms make cases less than 2 cm in length from silk and grass, starting out with a green color, but turning brown as the grass ages.

Since they use vertical surfaces to attach when they pupate, grass bagworms are often seen attached to fences, tree trunks, and the sides of buildings in mid to late June. The grass bagworm emerges from its pupa stage earlier in the season than its tree dwelling cousins. Unlike other bagworms, the grass bagworm causes no serious damage to their hosts, the grass they feed on.