Pseudotriphyllus suturalis (Fabricius, 1801)
Family: Mycetophagidae
Size: 2.3 mm (2.2 to 2.5 mm)
Origin: In parts of Europe, very rare
Ecology: The beetles live in tree fungi
Location: England, Suffolk, Barham
leg. 2.X.1970; det. D.Nash, 1973
Coll. Oxford University Museum of Natural History
Photo: U.Schmidt, 2018

Pseudotriphyllus suturalis   (enlarged)

Pseudotriphyllus suturalis   (Flickr)

Pseudotriphyllus suturalis   (Wikimedia Commons)