Benisch C. (2007-) kerbtier.de – Beetle fauna of Germany
This impeccably designed, user-friendliest online photo guide is run by a formidable beetle enthusiast who only includes photos of specimens captured by himself. This extremely helpful source shows species thumbnails (backed by excellent high-res pix) of each family as a single plate, which offers the user a perfect idea of what the members of the group look like. Highly recommended to anyone remotely interested in beetles. Browse it often, folks!