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| Caterpillar-like (figure
3);
5 to 40 mm long; three pairs of legs; four pairs
of prolegs on abdomen; reddish, gray, brown, or
black caterpillars; curl up when disturbed; cut
plants at or below ground March through May; feed
externally on plant.
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Grub-like or worm-like; dull white; 1 to 19 mm long; three pairs of legs or legs absent; with or without prolegs on abdomen; closely associated with mint rhizomes; bore in stem or rhizomes. | |
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