Caption: Vine weevil larva. Macrophotograph of the larva of a vine weevil (Otiorhynchus sulcatus). It is seen amongst plant roots (white), on which it feeds. This weevil is a type of beetle which can be a severe pest of plants. The larvae feed on the roots of primroses, cyclamen, begonias and other plants, eventually killing them. Nearly all the adult population is female, and they are able to reproduce without males (parthenogenesis). This means their numbers can increase rapidly, and in greenhouses and other enclosed environments, whole plant populations may be killed. The vine weevil is resistant to many insecticides. Magnification: x1.2 at 35mm size.
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