Rhopalocerus rondanii (Villa, 1833)
Family: Colydiidae
Size: 4.0 mm (2.8 to 4.0 mm)
Origin: Europe, very rare
Biology: Under the bark and in the sludge of old trees with Lasius species
Location: Austria, Wien, Schoenbrunn
leg.18.IV.1918; det. A.Skale
Photo: U.Schmidt, 2015

Rhopalocerus rondanii  (Flickr)

Rhopalocerus rondanii  (Wikimedia Commons)

Location List Coleoptera Austria  (Google Drive)

Location List Colydiidae Palaearctic Region  (Google Drive)