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Pterotus obscuripennis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Lampyridae
Genus:	Pterotus
Species:	P. obscuripennis
Binomial name
Pterotus obscuripennis LeConte, 1859

Pterotus obscuripennis, commonly known as the Douglas fir glowworm, is a species of firefly in the beetle family Lampyridae. It is found along the western coast of North America, from Washington to California. Adult males are smaller (9.5-12 mm), alate, capable of fight, have an elaborate antenna morphology, and are totally non-luminous. Adult females are larger (~25-35 mm), fully larviform and flightless, and cream to light golden brown in color, and luminous with photo organs on the seventh and eighth abdominal segment. Larvae are largely black in color, with cream to white coloration in the spaces between the body segments, and are luminous and predatory on slugs.

References

1. "Douglas Fir Glowworm, Pterotus obscuripennis". nathistoc.bio.uci.edu. Retrieved 2022-08-30.
2. "Pterotus obscuripennis". GBIF. Retrieved 2019-09-24.
3. "Pterotus obscuripennis species Information". BugGuide.net. Retrieved 2019-09-24.
4. Dean, Michael Barrett (1979). THE NATURAL HISTORY OF PTEROTUS OBSCURIPENNIS LECONTE (LAMPYRIDAE, COLEOPTERA) (Master of Arts). Humboldt State University.

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• Lampyridae
• Beetles described in 1859
• Taxa named by John Lawrence LeConte
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