Trichonyx sulcicollis (Reichenbach, 1816)
Family: Staphylinidae
Size: 2.9 mm (2.5 to 3.0 mm)
Distribution: Europe
Ecology: In rotten wood
Location: England, New Forest
leg.det. J.J.Walker, 18.-30.VII.1910
Coll. Oxford University Museum of Natural History
Photo: U.Schmidt, 2019

Trichonyx sulcicollis  (big picture)

 Trichonyx sulcicollis  (Flickr)

 Trichonyx sulcicollis   (Wikimedia Commons)