The Oriental stink bug is a shiny green stink bug with brownish wings and a well-known fruit pest in Japan and Korea; in Japan, its numbers rise and fall with the cone crop of planted cedar and cypress forests. In the US it is found only in Hawaii, where it was introduced. It is also called the brown-winged green bug.
Appearance
- Appearance
- About 0.4–0.5 in (10–12 mm) long. The body is glossy green and the wings are brown; the thin wing tips are light brown, looking darker brown where they overlap.
- Seasonal forms
- Adults turn brown while overwintering and turn green again in spring.
Where it lives
- Typical habitats
- Conifer plantations (Japan)
- Orchards
- Farm fields
- Range
- Native to East Asia, including Japan, Korea, China, and the Russian Far East. In the US it is known only from Hawaii, where it was introduced; it is not found on the mainland.
Behavior
- Diet
- Sucks plant juices. Adults pierce ripening fruit such as citrus and apples, and also feed on vegetables and beans.
- Overwintering
- Spends the winter as an adult in fallen leaves.
Life cycle
- Reproduction
- In Japan it mainly breeds on the cones of Japanese cypress and Japanese cedar in summer and fall. When the cones are used up, large numbers move into orchards.
Conservation
- IUCN Red List
- NENot EvaluatedNot yet assessed
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