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Species Caenocara oculatum

Anobiid beetle - Caenocara oculatum Puffball Beetle - Caenocara oculatum Dorcatomini ? - Caenocara oculatum - male Puffball Beetle - Caenocara oculatum - male Beetle - Caenocara oculatum - male Beetle - Caenocara oculatum - male Beetle - Caenocara oculatum - male Beetle - Caenocara oculatum - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Bostrichoidea (Carpet, Powder-post and Death-watch Beetles)
Family Ptinidae (Death-watch and Spider Beetles)
Subfamily Dorcatominae
Tribe Dorcatomini
Genus Caenocara (Puffball Beetles)
Species oculatum (Caenocara oculatum)
Explanation of Names
Caenocara oculatum (Say 1824)
Size
1.8-2.3 mm(1)
Identification
Black, dorsal surface with bristling hairs; last segment of maxillary palpi broadly triangular, bluntly emarginate apically (diagnostic vs. most remaining species).
Range
NS-ON-WI to NC-LA-TX-AZ; the most widely distributed species of the genus(2)(3)
Season
mid-Apr to late Aug in WI(3)
Works Cited
1.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
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.
3.Death-watch and spider beetles of Wisconsin—Coleoptera: Ptinidae
Arango, R.A. and D.K. Young. 2012. General Technical Report FPL-GTR-209. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.