Angular-winged Pygmy Grasshopper vs Alder Leaf Beetle

Side-by-side species comparison

Attribute Angular-winged Pygmy Grasshopper Alder Leaf Beetle
Scientific Name Tettix japonica Agelastica alni
Order Orthoptera Coleoptera
Family Tetrigidae Chrysomelidae
Size 8-12 mm 6-7 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Detritivores Herbivores
Regions Japan, Korea, China Europe, Western Asia
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.

Alder Leaf Beetle

A metallic dark violet-blue beetle that feeds on alder trees. Heavy infestations can completely defoliate alder trees along waterways.

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Did You Know?

After being absent from Britain for decades, it dramatically recolonised southern England in the early 2000s.