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Species Palorus ratzeburgii - Small-eyed Flour Beetle

Tenebrionidae - Palorus ratzeburgii Tenebrionidae - Palorus ratzeburgii Palorus ratzeburgi - Palorus ratzeburgii
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 Palorus
Species ratzeburgii (Small-eyed Flour Beetle)
Synonyms and other taxonomic changes
Palorus ratzeburgii (Wissmann)
Orig. Comb: Hypophloeus ratzeburgii Wissmann, 1848
Syn: ratzeburgi (spelling) (SEE)
~2.5 mm (1)
currently cosmopolitan (2)
native to Africa (3);
granaries, bakeries, flour mills, warehouses, but also under bark (2)(1)
Adults and larvae feed mainly on damaged and moldy grain, showing a preference for wheat and oat products (2); also flour, meal, maize, peanuts, and cassava meal (1)
earliest record in our area: before 1910 (4)
Works Cited
1.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
2.Beetles associated with stored products in Canada: An identification guide
Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.
3.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.
4.The Tenebrionidae (Coleoptera) of the Maritime Provinces of Canada
Majka C.G., Bouchard P., Bousquet Y. 2008. The Canadian Entomologist 140: 690-713.