Case-bearing Leaf Beetle vs Lotis Blue Butterfly

Side-by-side species comparison

Attribute Case-bearing Leaf Beetle Lotis Blue Butterfly
Scientific Name Cryptocephalus sericeus Lycaeides argyrognomon lotis
Order Coleoptera Lepidoptera
Family Chrysomelidae Lycaenidae
Size 6-8 mm 2-2.5 cm wingspan
Habitat Meadows Beaches & Coastal
Diet Herbivores Herbivores
Regions Europe, Western Asia United States
Conservation Least Concern Critically Endangered

Case-bearing Leaf Beetle

A brilliant metallic green to golden beetle with a cylindrical body shape typical of case-bearing chrysomelids. Adults are commonly found on flowers and leaves in sunny meadows.

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Did You Know?

Larvae construct a protective case from their own fecal material, which they carry around and enlarge as they grow, much like caddisfly larvae.

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.