Rhyzopertha

Rhyzopertha is a monotypic genus of beetles in the family Bostrichidae, the false powderpost beetles. The sole species, Rhyzopertha dominica, is known commonly as the lesser grain borer, American wheat weevil, Australian wheat weevil, and stored grain borer. It is a beetle commonly found within store bought products and pest of stored cereal grains located worldwide. It is also a major pest of peanuts. The first documentation of wheat infestation by R. dominica was observed in Australia. R. dominica are usually reddish brown to dark brown in coloration, vary in sizes, elongated and cylindrical.

== Identification == The average R. dominica are in length. Their body displays a reddish brown coloration with 11 antennal segments and a 3-segmented antennal club. The pronotum is located near the base of the body with no depressions. In addition, the basal part of the pronotum has a wrinkled appearance. Distinct tubercles on the R. dominica are found on the anterior margin, but appear to be slightly apart at the median. Moreover, it has clear elytral strioles that are angularly rounded at the apex, and short, yellowish, bent setae. Externally there are no major recognizable differences between male and female adults of R. dominica. Rhyzopertha dominica is morphologically superficially similar to some other species within the family Bostrichidae, particularly these in the subfamily Dinoderinae.