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Species Ditylus quadricollis

Ditylus quadricollis Ditylus quadricollis Ditylus quadricollis? - Ditylus quadricollis Ditylus quadricollis? - Ditylus quadricollis Ditylus quadricollis Stictoleptura sp. maybe - Ditylus quadricollis Unknown Beetle - Ditylus quadricollis Ditylus.... - Ditylus quadricollis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Tenebrionoidea
Family Oedemeridae (False Blister Beetles)
Subfamily Oedemerinae
Tribe Ditylini
Genus Ditylus
Species quadricollis (Ditylus quadricollis)
Synonyms and other taxonomic changes
consors LeConte
vestitus LeConte

Hatch(1) notes that "LeConte and Arnett [were] in error in considering vestitus LeC. a variety of gracilis LeC. rather than of this species. This potential error seems to be carried over in recent literature. The "vestitus" form refers to specimens from the west that possess golden pubescence (swBC to nwOR).
Explanation of Names
Ditylus quadricollis LeConte 1851
Size
12-23 mm(1)
Range
AK-OR to AB-ID(1)(2)
Habitat
Found under cover around logs in forested areas, also on flowers; reported breeding in logs of Thuja plicata, Pseudotsuga taxifolia, and Picea engelmani (Guppy, Leech, Arnett)(1)
Works Cited
1.The Beetles of the Pacific Northwest
Hatch, M. 1953. University of Washington publications in biology, Volume 16. University of Washington Press, Seattle, Washington.
2.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.