Amazonian Stag Beetle vs Douglas-fir Tussock Moth

Side-by-side species comparison

Attribute Amazonian Stag Beetle Douglas-fir Tussock Moth
Scientific Name Sphaenognathus feisthameli Orgyia pseudotsugata
Order Coleoptera Lepidoptera
Family Lucanidae Erebidae
Size 25-55 mm 25-35 mm wingspan (males)
Habitat Forests Forests
Diet Wood Feeders Omnivores
Regions Colombia, Ecuador, Peru, Bolivia North America
Conservation Not Evaluated Not Evaluated

Amazonian Stag Beetle

A striking metallic green stag beetle from South American cloud forests. Males have elongated mandibles with tooth-like projections.

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Did You Know?

Its brilliant metallic green coloration is caused by microscopic structures in the exoskeleton rather than pigments.

Douglas-fir Tussock Moth

A defoliator of Douglas-fir and true firs in western North America. Outbreaks cause severe defoliation and tree mortality in dry inland forests.

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Did You Know?

Females are flightless and lay their eggs directly on their cocoons.