Little Olive Sedge vs Japanese Mole Cricket

Side-by-side species comparison

Attribute Little Olive Sedge Japanese Mole Cricket
Scientific Name Hydropsyche betteni Gryllotalpa fossor
Order Trichoptera Orthoptera
Family Hydropsychidae Gryllotalpidae
Size 10-14 mm 30-40 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Root Feeders
Regions North America Japan, Korea
Conservation Least Concern Near Threatened

Little Olive Sedge

A common North American net-spinning caddisfly tolerant of a range of water qualities. Larvae build intricate filtering nets in crevices between cobbles.

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Did You Know?

Silk nets are species-specific in mesh size, tuned to the preferred food particle diameter.

Japanese Mole Cricket

A mole cricket native to Japan and Korea that inhabits moist soils near rivers and paddies. It is declining in some areas due to urbanization.

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Did You Know?

It has become a symbol of vanishing rural landscapes in Japan and is now protected in some prefectures.