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A synthetic version is available which attracts rice weevils, maize weevils and grain weevils. Females produce a pheromone which attracts only males. Its gammaproteobacterial symbiont Candidatus Sodalis pierantonius str. SOPE is able to supply rice weevil with essential vitamins like pantothenic acid, riboflavin, and biotin. [7]
The best way to quantify populations of rice water weevil that can be directly related to yield losses is through soil coring (Way and Espino 2014). Managing rice water weevil depends on the region and its ecology. In the Southern US, growers use drill seeded systems that allow them to delay planting or flooding of the rice fields.
The wheat weevil can live on acorns, and may have used them as a host before agriculture made grain plentiful. The rice weevil can live on beans, nuts, grains, and some types of fruit, such as grapes. [7] Several other Sitophilus use the acorns of oaks such as bluejack oak (Quercus incana) and moru oak (Q. floribunda).
Most weevils have the ability to fly (including pest species such as the rice weevil), [2] [3] though a significant number are flightless, such as the genus Otiorhynchus, and others can jump. One species of weevil, Austroplatypus incompertus, exhibits eusociality, one of the few insects outside the Hymenoptera and the Isoptera to do so ...
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A storage pest is an insect or other animal that damages or destroys stored food or other stored valuable organic matter. [1] Insects are a large proportion of storage pests with each type of crop having specific insects that gravitate towards them such as the genus Tribolium that consists of insects such as Tribolium castaneum (red flour beetle) or Tribolium confusum (confused flour beetle ...
The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as Entimus, Otiorhynchus, Phyllobius, Sitona, and Pachyrrhynchus. In comparison with their stunning diversity, only a few of these weevils are notorious pests of major economic importance. Entimines are ...