Grubbing Through The Soil

Japanese Beetle Larva

By late October, Japanese Beetle adults in Indiana have died, but their larvae are still feeding under the soil. The C-shaped grubs have powerful mouthparts for chewing on the roots of grass. A grub often feeds in one spot until the roots in an area are all devoured. A grub will then dig with its mandibles and use its legs to push loose soil behind it. In this manner the grub can tunnel slowly through the soil. A Japanese beetle grub can tunnel over 6 meters in a month…

Source: Living With Insects Blog

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