Angular-winged Pygmy Grasshopper vs Grannom Caddisfly

Side-by-side species comparison

Attribute Angular-winged Pygmy Grasshopper Grannom Caddisfly
Scientific Name Tettix japonica Brachycentrus subnubilus
Order Orthoptera Trichoptera
Family Tetrigidae Brachycentridae
Size 8-12 mm 8-12 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Detritivores Detritivores
Regions Japan, Korea, China Europe
Conservation Least Concern Least Concern

Angular-winged Pygmy Grasshopper

A small, dark pygmy grasshopper found across East Asia. It is one of the most studied tetrigids in Japanese orthopteran research.

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Did You Know?

Japanese researchers have documented color polymorphism in this species with over a dozen distinct color morphs in a single population.

Grannom Caddisfly

A small dark caddisfly that produces massive spring hatches on European rivers. Larvae build distinctive square-sectioned cases from silk and plant fibers.

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Did You Know?

Grannom hatches are so dense on some rivers that local people historically swept up mounds of dead adults to use as fertilizer.