Malagasy Blue Butterfly vs Giant Bess Beetle

Side-by-side species comparison

Attribute Malagasy Blue Butterfly Giant Bess Beetle
Scientific Name Leptomyrina phidias Passalus punctiger
Order Lepidoptera Coleoptera
Family Lycaenidae Passalidae
Size 25-30 mm wingspan 35-50 mm
Habitat Forests Woodlands
Diet Wood Feeders Wood Feeders
Regions Madagascar South America
Conservation Least Concern Least Concern

Malagasy Blue Butterfly

A small butterfly with brilliant blue upperwings in males and more subdued brown in females. The underwing surface has fine dark streaks on a silvery white background.

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Did You Know?

The caterpillars are unusual among lycaenids in feeding on lichens rather than the more typical ants or plant tissue.

Giant Bess Beetle

A very large, robust bess beetle with a glossy black exoskeleton and strong mandibles. It creates extensive tunnel systems in large fallen trees. Multiple generations may coexist within a single log.

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Did You Know?

Larvae pupate in protective cases made from frass that parents help construct.