Flour beetles are members of the darkling beetle genera Tribolium or Tenebrio. They are pests of cereal silos and are widely used as laboratory animals, as they are easy to keep. The flour beetles consume wheat and other grains, are adapted to survive in very dry environments, and can withstand even higher amounts of radiation than cockroaches. They are a major pest in the agricultural industry and are highly resistant to insecticides.
Flour beetles are part of the life cycle of the tapeworm Hymenolepis nana, which causes hymenolepiasis in humans. Female reproduction is distributed over their adult life-span which lasts about a year. Flour beetles also display pre-mating discrimination among potential mates. Female flour beetles, specifically of T. castaneum, can mate with different males and may choose more attractive males over the course of their adult life-span. 
- Tribolium castaneum – red flour beetle
- Tribolium confusum – confused flour beetle
- Tribolium destructor – destructive flour beetle
- Tenebrio molitor – mealworm beetle
- Tenebrio obscurus – dark mealworm beetle
- Tuncbilek, A.S.,; Ayvaz, A.; Öztürk, F.; Kaplan, B. (2003). "Gamma radiation sensitivity of larvae and adults of the red flour beetle, Tribolium castaneum Herbst". Journal of Pest Science. 76 (5): 129–132. doi:10.1007/s10340-003-0002-9.CS1 maint: Multiple names: authors list (link)
- Fedina, Tatyana Y.; Lewis, Sara M. (21 April 2018). "An integrative view of sexual selection in Tribolium flour beetles". Biological Reviews. 83 (2): 151-171. doi:10.1111/j.1469-185X.2008.00037.x.
- Schröder, R. (2008). "The genome of the model beetle and pest Tribolium castaneum". Nature. 452: 949–955.
|Wikisource has the text of the 1905 New International Encyclopedia article Flour Beetle.|
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