Japanese Mole Cricket vs Black Sedge

Side-by-side species comparison

Attribute Japanese Mole Cricket Black Sedge
Scientific Name Gryllotalpa fossor Silo nigricornis
Order Orthoptera Trichoptera
Family Gryllotalpidae Goeridae
Size 30-40 mm 7-9 mm body
Habitat Rivers & Streams Rivers & Streams
Diet Root Feeders Omnivores
Regions Japan, Korea Europe
Conservation Near Threatened Least Concern

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.

Black Sedge

A caddisfly whose larvae build heavy cases from sand grains cemented with silk. Found in clean, stony streams. Cases have lateral flanges of larger stones for ballast.

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Did You Know?

Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.