Michigan State University Extension
Michigan Soybean Information - 00000051
11/16/00
Japanese Beetle (Popillia japonica)
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The Japanese beetle is about 1/2 in. length and is
metallic green with bronze-colored wing covers. They
have white tufts of hair visible around the abdomen, just
below the wing covers (Vis. 1). These beetles
skeletonize soybean leaves, stripping away the tissue
between the leaf veins. The larvae are white grubs,
which apparently do little feeding on soybean roots,
generally preferring grass roots. They overwinter in the
grub stage and emerge as adults to cause damage in June
and July. This beetle is found in parts of the Midwest
and South.
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This file was generated from data base S1 on 11/16/00.
Data base S1 was last revised on 11/16/00.
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