Snailcase Bagworm vs Silver-spotted Skipper

Side-by-side species comparison

Attribute Snailcase Bagworm Silver-spotted Skipper
Scientific Name Apterona helicoidella Hesperia comma
Order Lepidoptera Lepidoptera
Family Psychidae Hesperiidae
Size Case about 5-6 mm; male wingspan 10 mm 28-34 mm wingspan
Habitat Grasslands Grasslands
Diet Omnivores Omnivores
Regions Europe, Asia Minor, introduced to North America Europe, temperate Asia, North America
Conservation Least Concern Least Concern

Snailcase Bagworm

A tiny bagworm moth whose larva builds a coiled, snail-shell-shaped case from silk and sand grains. It reproduces entirely by parthenogenesis in most of its range.

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Did You Know?

Males are almost never found; most populations consist entirely of females reproducing without mating.

Silver-spotted Skipper

A small golden-brown butterfly with distinctive silvery spots on the green underside of its hindwings. It is restricted to short, sun-baked chalk grassland.

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Did You Know?

It requires turf shorter than 5 cm and bare ground patches warmed by the sun for egg-laying.