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] It can be differentiated from O. surinamensis by its larger eyes and by the shape of the head, the area just behind the eyes of O. mercator is narrower than that of O. surinamensis, which has a more triangular shaped head.[1] Unlike O. surinamensis, adults are capable of flight.[1]
^ abcdeHedges, Stoy A.; Dr. Lacey, Mark S. (1996). PTC Field Guide for the Management of Structure Infesting Beetles Volume II: Stored Product Beetles/ Occasional & Overwintering Beetles. G.I.E., Inc. pp. 124–127. ISBN 1-883751-03-9.
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Oryzaephilusmercator, the merchant grain beetle, is a small, flattened beetle about 2.5mm in length. It is a common, worldwide pest of grain and grain...
running down the side of the prothorax. It is nearly identical to Oryzaephilusmercator, or the Merchant Grain Beetle, however, O. surinamensis has smaller...
similar to saw-toothed grain beetle, Oryzaephilus surinamensis and the merchant grain beetle, Oryzaephilusmercator. Male is about 3.7 mm and female is...
distributions (e.g., Ahasverus, Oryzaephilus, Silvanus, Cryptamorpha, Monanus.) The most economically important genus is Oryzaephilus, with two common stored...
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