Acneus quadrimaculatus

Acneus quadrimaculatus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Elateriformia
Family:	Psephenidae
Genus:	Acneus
Species:	A. quadrimaculatus
Binomial name
Acneus quadrimaculatus Horn, 1880

Acneus quadrimaculatus is a species of water penny beetle in the family Psephenidae. ^{[1] [2] [3] [4]} It is endemic to the United States ^[1] with records from California ^{[4] [5] [6]} and Oregon. ^[5] Adults occur in riparian vegetation. ^[6]

References

1. "Acneus quadrimaculatus Horn, 1880". Integrated Taxonomic Information System . Retrieved 25 October 2025.
2. "Acneus quadrimaculatus Horn, 1880". Catalogue of Life . Species 2000: Leiden, the Netherlands. Retrieved 25 October 2025.
3. "Acneus quadrimaculatus Horn, 1880". Global Biodiversity Information Facility . Retrieved 25 October 2025.
4. "Acneus quadrimaculatus Species Information". BugGuide.net. Retrieved 25 October 2025.
5. Fender, Kenneth M. (1951). "A new species of Acneus (Coleoptera, Dascillidae)". Proceedings of the Entomological Society of Washington. 53: 271–272.
6. Shepard, William D. (1993). "An annotated checklist of the aquatic and semiaquatic dryopoid Coleoptera of California". Pan-Pacific Entomologist. 69 (1): 1–11.

Further reading

• Brown, Harley P. (1983). A Catalog of the Coleoptera of America North of Mexico. Family: Psephenidae. USDA Agriculture Handbook. United States Department of Agriculture, Agricultural Research Service.
• Lobl, I.; Smetana, A., eds. (2006). Catalogue of Palaearctic Coleoptera, Volume 3: Scarabaeoidea - Scirtoidea - Dascilloidea - Buprestoidea - Byrrhoidea. Apollo Books. ISBN   978-90-04-30914-2.