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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 is a genus of beetles in the family Silvanidae, containing 16 species: [1] Oryzaephilus abeillei Guillebeau; Oryzaephilus acuminatus Halstead;
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.
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]
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 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.
Polyphaga is the largest and most diverse suborder of beetles.It comprises 144 families in 16 superfamilies, and displays an enormous variety of specialization and adaptation, with over 350,000 described species, or approximately 90% of the beetle species discovered thus far.
Oryzaephilus genalis, is a species of silvan flat bark beetle native to India and Sri Lanka. [1] Description. Total length of the species is about 2.55 mm. Length of ...