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Species Trogoderma glabrum - Glabrous Cabinet Beetle

Trying to ID small black (with some brown) bug - Trogoderma glabrum

glabrous cabinet beetle - Trogoderma glabrum - female

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

Superfamily Bostrichoidea

Family Dermestidae (Carpet Beetles)

Tribe Anthrenini

Genus Trogoderma

Species glabrum (Glabrous Cabinet Beetle)

Other Common Names

Colored Cabinet Beetle(1)

Explanation of Names

Trogoderma glabrum (Herbst 1783)

glaber (L). 'smooth'

Size

2.0-4.2 mm(2)

Range

most of the Palearctic, NA, Mexico(1); marked as adventive in Bousquet et al. (2013)(3)

Habitat

granaries, flour mills, occasionally houses (in food)(4); sparrow’s nests, and wasp and bee nests where the larvae feed on dead insects(1)

Season

Jun-Aug(5)

Food

plant and animal material; develops best on animal feeds, rolled barley, rice and rice flour, cottonseed meal, wheat, shelled corn, and poultry mash(1); can live on cereal food alone(4); associated with the flowers of Asclepias syriaca(5)

Internet References

Canadian Grain Commission(2)

Dermestidae.com - Andreas Herrmann

Works Cited

1.	Handbook of urban insects and arachnids: A handbook of urban entomology Robinson W.H. 2005. Cambridge University Press.

2.	Canadian Grain Commission: insect pests of stored grain

3.	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.

4.	Beetles associated with stored products in Canada: An identification guide Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.

5.	Survey of Coleoptera collected on the common milkweed, Asclepias syriaca, at one site in Ohio Dailey, P.J., R.C. Graves and J.M. Kingsolver. 1978. The Coleopterists Bulletin, 32(3): 223-229.

Contributed by Jim McClarin on 1 April, 2007 - 5:49am
Additional contributions by Mike Quinn, v belov, onegunah
Last updated 14 May, 2017 - 10:04am

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