Irregular Weevil vs Lotis Blue Butterfly

Side-by-side species comparison

Attribute Irregular Weevil Lotis Blue Butterfly
Scientific Name Otiorhynchus sensitivus Lycaeides argyrognomon lotis
Order Coleoptera Lepidoptera
Family Curculionidae Lycaenidae
Size 5-8 mm 2-2.5 cm wingspan
Habitat Mountains Beaches & Coastal
Diet Herbivores Herbivores
Regions Alps, Central Europe United States
Conservation Least Concern Critically Endangered

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.

Lotis Blue Butterfly

A small blue butterfly historically found in sphagnum bog habitats in coastal Mendocino County, California. It has not been seen since 1983.

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Did You Know?

Despite extensive searches, no living individuals have been found in over 40 years.