: Pleuroxus trigonellus.

Pleuroxus trigonellus is characterized by the dorsal margin of the carapace which is strongly convex and by the post abdomen which is broad and with 10–14 rather coarse teeth. Though it is found in almost all parts of the country, it may be defined as an easterner.

Pleuroxus trigonellus O.F.M.
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Kart. Utbredelse i Norge.