Chinese Rhagophthalmid Glowworm vs Widow Skimmer

Side-by-side species comparison

Attribute Chinese Rhagophthalmid Glowworm Widow Skimmer
Scientific Name Rhagophthalmus lufengensis Libellula luctuosa
Order Coleoptera Odonata
Family Rhagophthalmidae Libellulidae
Size 10-18 mm 60-68 mm wingspan
Habitat Forests Ponds & Lakes
Diet Predators Predators
Regions East Asia, China North America
Conservation Least Concern Least Concern

Chinese Rhagophthalmid Glowworm

A bioluminescent beetle from southern China with larviform females that emit a steady greenish glow from ventral light organs. Males have well-developed wings but vestigial mouthparts.

💡

Did You Know?

This species has been studied for its unique luciferase, which differs significantly from that of the related firefly family Lampyridae.

Widow Skimmer

A distinctive dragonfly with broad dark wing patches at the base and white bands beyond them in mature males. Females and young males lack the white bands.

💡

Did You Know?

The widow skimmer gets its somber common name from the dark mourning-veil-like patches on the wings of females.