Geotrupes stercorarius is very similar to Trypocopris vernalis, but the latter has a slightly wider body and smoother elytra; Geotrupes stercorarius has deeper longitudinal grooves on the elytra.

1st, 2nd & 3rd photo: Nature Reserve Schlangenberg, Breinigerberg, North-Rhine Westphalia, Germany, 3 May 2022
4th & 5th photo: Neuenburger Urwald Nature Reserve, Zetel, Wilhelmshaven area, Lower Saxony, Germany, 15 August 2023