Home Invaders: Pill bugs

Pill bugs...also known as isopods, woodlice and roly-polies, these creatures are not insects but crustaceans more closely related to shrimp, crabs and lobsters.

Most Isopods are gray to brown in color and about one-fourth of an inch long with seven pairs of legs. Pill bugs can roll into a ball when disturbed.

Like many occasional invaders, isopods need lots of moisture. They live in damp places – under rocks, logs, leaves and mulch where they feed mostly on rotting plant matter. Moisture-seeking pill bugs and sowbugs invade structures but do no damage indoors. To prevent infestation, seal cracks in the structure’s foundation, install door brushes to fill gaps beneath doors, and correct moisture problems. As much as is practical, reduce moisture and vegetation around the foundation.

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