Marlies,oxyporus rufus, rove beetle.
The Staphylinidae, or rove-beetles—a large family of nearly 10.000 species—may be known by their very short elytra, which cover only two of the abdominal segments, leaving the elongate lund-body with seven or eight exposed, firm terga. These segments are very mobile, and as the rove-beetles run along they often curl the abdomen upwards and forwards like the tail of a scorpion. The Staphylinid larvae are typically campodeiform. Beetles and larvae are frequently carnivorous in habit, hunting for small insects under stones, or nursuing the soft-skinned grubs of beetles and flies that bore in woody stems or succulent roots. Many Staphylinidae are constant inmates of ants’ nests.
www.bioimages.org.uk/MWSt/BW9630SP/1997/97-10/97-10-02/97J02N_1.jpg
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