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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 ...
It can be distinguished from other grain beetles from its slight projections or knobs on each front corner of the pronotum, and its club-shaped antennae. However, other Ahasverus species look very similar and particular confusion can occur with Ahasverus rectus , which is also found in grain bins in North America.
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]
This beetle is similar to the saw-toothed grain beetles in both habits and types of products infested. It is a serious pest in flour mills and wherever cereal products and other dried products are stored and/or processed. Generally, the beetle is attracted to grain with a high moisture content, and usually causes the grain to acquire a grayish ...
Cucujoidea is a superfamily of beetles.This group formerly included all of the families now included in the superfamily Coccinelloidea. [1] They include some fungus beetles and a diversity of lineages of "bark beetles" unrelated to the "true" bark beetles (), which are weevils (superfamily Curculionoidea).
Corneyanus bark beetles live in the bark of weak or dying trees, researchers said. A photo shows the bark “gallery” where the new species lives. The bark of a Cupressus corneyana tree where ...
Saw-toothed grain beetle; See also. Flour beetle; Storage pest This page was last edited on 21 May 2024, at 04:52 (UTC). Text is available under the Creative ...
Ahasverus advena – foreign grain beetle; Cathartus quadricollis – square-necked grain beetle; Cryptamorpha desjardinsii – Desjardins' beetle; Dendophagus crenatus; Nausibius clavicornis; Oryzaephilus mercator – merchant grain beetle; Oryzaephilus surinamensis – saw-toothed grain beetle; Psammoecus bipunctatus; Silvanus bidentatus ...