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Species Page - Dinothenarus pleuralis
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scientific name    Dinothenarus pleuralis    

Found under rocks, debris and in leaf litter. Prefer to be near water (Arnett and Thomas, 2000)

Specimens in the Strickland Museum were collected in July, August and October.

Adult D. pleuralis are about 13mm in size. Dinothenaus pleuralis has dark red elytra. This color is also present on the antennae and the legs. The coxae are darker but have a remnant of leg color. On the scutellum, are many small patches of yellow setae anteriorly (Arnett and Thomas, 2000). Also, the first visible abdominal segment is covered with yellow setae while the other segments only have few yellow setae anteriorly.

life history
Like all the members of the Staphilinini tribe, D. pleuralis possesses paired eversible defensive glands located at the tip of the abdomen. If threatened, D. pleuralis brings its last abdominal segment in contact with the threat and releases a chemical mixture (often mixed with defecations) to repell its opponent.

No information available.

diet info
No information available.

Widely distributed across Western Canada and the northwestern U.S.A.

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Specimen Info
There are 11 specimens of this species in the online database
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Specimen List (11)


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