Species Trogoderma variabile - Warehouse Beetle

Classification · Synonyms and other taxonomic changes · Explanation of Names · Identification · Range · Habitat · Food · Remarks · Internet References · Works Cited

4-legged Trogoderma - Trogoderma variabile

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 variabile (Warehouse Beetle)

Synonyms and other taxonomic changes

parabile Beal

Explanation of Names

Trogoderma variabile Ballion 1878

Identification

Sexual dimorphism: antennal club 6- or 7-segmented in males, 4-segmented in females(1)

Range

probably indigenous to central Asia but now found in many parts of the world(2)(3); transcontinental in NA(1); considered adventive in Europe(4)

Habitat

In Canada: flour/feed mills, warehouses, dwellings, occasionally granaries(1); prefers animal feed, whole kernels of barley and wheat, noodles, oatmeal, wheat germ, whole wheat flour, but may also infest dead animals, candy, cocoa, corn/fish meal, flour, nut meats, and dried spices; bee nests outdoors in Russia(2)

Food

in Europe, wheat any dry vegetal and animal stored products(4)

Remarks

minor pest in Canada; in other parts of the world (incl. Europe) may be a major/serious pest of stored products (esp. seeds, cereals, legumes, nuts, and other high-protein food)(1)(4)

Internet References

Fact sheet(5)

Works Cited

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

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

3.	Háva J. (2018) World catalogue of the Dermestidae

4.	Alien terrestrial arthropods of Europe Roques A., Kenis M., Lees D., Lopez-Vaamonde C., Rabitsch W., Rasplus J.-Y., Roy D., eds. 2010. BioRisk 4 Special Issue; 2 vols., 1028 pp.

5.	Canadian Grain Commission: insect pests of stored grain

Contributed by v belov on 6 March, 2013 - 6:16am
Additional contributions by Mike Quinn
Last updated 23 November, 2020 - 2:03pm

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