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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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Species Tribolium castaneum - Red Flour Beetle

Beetle ID 2 - Tribolium castaneum Tribolium castaneum Tenebrionidae, dorsal - Tribolium castaneum Very small Tenebrionid? - Tribolium castaneum Tribolium castaneum powderpost beetles? - Tribolium castaneum Red Flour Beetle? - Tribolium castaneum Small beetle - Tribolium castaneum
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)
No Taxon (Series Cucujiformia)
Superfamily Tenebrionoidea (Fungus, Bark, Darkling and Blister Beetles)
Family Tenebrionidae (Darkling Beetles)
Subfamily Tenebrioninae
Tribe Triboliini
Genus Tribolium (Flour Beetles)
No Taxon (subgenus Tribolium)
Species castaneum (Red Flour Beetle)
Explanation of Names
Tribolium castaneum (Herbst 1797)
Size
2.3-4.4 mm(1)
Identification
see(2)(3)
Range
widely dist., most common in sw US - Map (4), of Oriental origin(3), now cosmopolitan but more common in warmer regions(2)
Habitat
in Canada, heavily infest granaries, flour mills, and feed mills throughout the Prairie Provinces; found most frequently in imported produce on cargo ships(2); particularly abundant in warm and often dry conditions(1)
Food
secondary pest of a wide range of cereals, cereal products, legumes, oilseeds and cakes, nuts, spices and animal products; an extremely successful omnivore(1); attack sound grain, particularly when the moisture content is high, but prefer damaged grain(2)
Works Cited
1.Towards integrated commodity and pest management in grain storage
Semple R.L., Hicks P.A., Lozare J.V., Castermans A. (eds.). 1992. UN Food and Agricultural Organization. Rome, Italy. 526 pp.
2.Beetles associated with stored products in Canada: An identification guide
Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.
3.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
4.Global Biodiversity Information Facility (GBIF)