Hydroporus erythrocephalus (Linnaeus, 1758)
Family: Dytiscidae
Size: 4.2 mm (4.0 to 4.5 mm)
Origin: Palaearctic, Near East, Europe
Biology: Acidophilic, preferably moors
Location: Germany, Bavaria, Upper Franconia, Doernthal
leg det. U.Schmidt, 18.VI.1975
Photo: U.Schmidt, 2021

 Hydroporus erythrocephalus  (enlarged)

Hydroporus erythrocephalus  (Flickr)

 Hydroporus erythrocephalus  (Wikimedia Commons)

Location List Dytiscidae Palaearctic Region  (Google Drive)