Irregular Weevil vs Glandon Blue

Side-by-side species comparison

Attribute Irregular Weevil Glandon Blue
Scientific Name Otiorhynchus sensitivus Agriades glandon
Order Coleoptera Lepidoptera
Family Curculionidae Lycaenidae
Size 5-8 mm 20-26 mm wingspan
Habitat Mountains Mountains
Diet Herbivores Nectar Feeders
Regions Alps, Central Europe Alps, Pyrenees, Rocky Mountains
Conservation Least Concern Least Concern

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.

Glandon Blue

A tiny high-altitude blue butterfly with distinctive underside spotting. It flies close to the ground in exposed alpine habitats.

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Did You Know?

It has been recorded flying at over 3600 meters in the Alps.