Lacon querceus (Herbst, 1784)
Family: Elateridae
Size: 11,3 mm (9 to 12 mm)
Origin: West Siberia to Central Europe and Spain
Ecology: Larvae live in rotting wood of oak with Polyporus sulphureus
Location: England, Windsor
leg.det. J.Owen, 16.V.1987
Coll. Oxford University Museum of Natural History
Photo: U.Schmidt, 2016

Lacon querceus   (Flickr)