White grubs live in the root zone of turf and have chewing mouthparts that they use to feed on plant roots. They can vary in size from less than ΒΌ inch long to over one inch long depending on the species and their stage of development. White grubs have pale, C-shaped bodies, orange heads and three pairs of legs. Turf damage caused by animals digging for white grubs. These grubs are the larval stages of scarab beetles such as Japanese beetles (see University of Wisconsin Garden Facts XHT1062, Japanese Beetle), May/June beetles (see University of Wisconsin Garden Facts XHT1240, May/June Beetles), European chafers (see University of Wisconsin-Madison Extension bulletin A4141, European Chafer), and northern masked chafers (see University of Wisconsin-Madison Extension bulletin A4130, Northern Masked Chafer). Several species of white grubs are considered turfgrass pests in the Midwest. Authors: PJ Liesch and Vijai Pandian, UW-Madison Extension
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