Japanese Leaf Beetle vs Irregular Weevil

Side-by-side species comparison

Attribute Japanese Leaf Beetle Irregular Weevil
Scientific Name Lilioceris merdigera Otiorhynchus sensitivus
Order Coleoptera Coleoptera
Family Chrysomelidae Curculionidae
Size 6-7 mm 5-8 mm
Habitat Underground Mountains
Diet Herbivores Herbivores
Regions Europe, Asia Alps, Central Europe
Conservation Least Concern Least Concern

Japanese Leaf Beetle

A small, bright red beetle similar in appearance to the scarlet lily beetle but with red legs instead of black. It is commonly called the onion leaf beetle in Europe.

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Did You Know?

Its species name 'merdigera' means 'dung-bearer,' referring to the larval behavior of covering themselves in their own excrement.

Irregular Weevil

A flightless alpine weevil found on exposed mountain slopes. Adults emerge in summer to feed on low-growing alpine cushion plants.

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Did You Know?

Its inability to fly has led to high genetic divergence between neighboring mountain ranges.