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Nysius plebeius is a tiny seed bug, only about 1/6 in (4 mm) long, from East Asia. It lives on weedy plants in the daisy and grass families in Japan and Korea, and it isn't found in the US.

Appearance

Appearance
A very small, grayish-black bug with clear forewings.

Where it lives

Typical habitats
  • weedy fields and vacant lots
  • crop fields
Range
Recorded in Japan and Korea. North America has its own Nysius species, known as false chinch bugs.

Behavior

Diet
Sucks juices from plants, especially ripening seeds. In Japan and Korea it can damage crops such as rice, strawberries, and chrysanthemums.
Overwintering
In southern Korea it has about three generations a year and spends the winter mostly as an adult.

Connected species

Close relatives
  • False chinch bugNysius raphanus

    A member of the same genus that lives in North America, so it's the one you might actually see in the US—Nysius plebeius itself stays in East Asia.

Conservation

IUCN Red List
NENot EvaluatedNot yet assessed

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Nysius plebeius — identification & habitat | Moeyo