Western Banded Glowworm vs Fluted Cape Stag Beetle

Side-by-side species comparison

Attribute Western Banded Glowworm Fluted Cape Stag Beetle
Scientific Name Zarhipis integripennis Colophon primosi
Order Coleoptera Coleoptera
Family Phengodidae Lucanidae
Size 15-30 mm (female), 8-12 mm (male) 18-28 mm
Habitat Heathland Mountains
Diet Predators Omnivores
Regions North America, Western United States South Africa
Conservation Least Concern Endangered

Western Banded Glowworm

A North American glowworm beetle where the larviform female produces rows of greenish-yellow bioluminescent spots along her body segments. Males are winged with elaborate feathery antennae.

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Did You Know?

The glowing female looks like a miniature train at night, with paired lateral light organs resembling lit windows on a railcar.

Fluted Cape Stag Beetle

A small, flightless, dark brown stag beetle restricted to a single mountain in the Cape region of South Africa. Males have short, broad mandibles with a single inner tooth. It is threatened by illegal collecting and climate change.

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Did You Know?

Illegal collecting of Colophon species for the lucrative insect trade has led to CITES protection for the entire genus.