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Download as PDF; Printable version; In other projects Wikimedia Commons; ... Oryzaephilus is a genus of beetles in the family Silvanidae, containing 16 species: [1]
Oryzaephilus surinamensis, the sawtoothed grain beetle, [1] is a beetle in the superfamily Cucujoidea. [2] It is a common, worldwide pest of grain and grain products as well as chocolate, drugs, and tobacco. [2] The species' binomial name, meaning "rice-lover from Suriname," was coined by Carl Linnaeus, who received specimens of the beetle from ...
Oryzaephilus mercator, the merchant grain beetle, is a small, flattened beetle about 2.5mm in length. [1] It is a common, worldwide pest of grain and grain products as well as fruit, chocolate, drugs, and tobacco. [1] The biology of O. mercator is nearly identical with Oryzaephilus surinamensis (the sawtooth grain beetle). [1]
Silvanidae, "silvan flat bark beetles", is a family of beetles in the superfamily Cucujoidea, [1] [2] consisting of 68 described genera and about 500 described species. [3] The family is represented on all continents except Antarctica, and is most diverse at both the generic and species levels in the Old World tropics.
The species is very similar to saw-toothed grain beetle, Oryzaephilus surinamensis and the merchant grain beetle, Oryzaephilus mercator. [3] Male is about 3.7 mm and female is about 3.5 mm in length. Adults are dark brown to black. Body is more elongate and covered with recumbent golden setae. Pronotum in large males.
Upon paralyzing a host (a beetle larva or pupa) the female typically lays 2 eggs (one female and one male) onto the host's body. When 2 larvae develop on the same host they develop on average in 2/3 the time required for a solitary larva to develop. The life cycle is completed in ~20 days at room temperature on Oryzaephilus surinamensis ...
The red flour beetle (Tribolium castaneum) is a species of beetle in the family Tenebrionidae, the darkling beetles.The red flour beetle, and other closely related beetles like Gnatocerus cornutus, are a worldwide pest of stored products, particularly food grains, and a model organism for ethological and food safety [1] research.
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