This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Reitter Hydroporus u.a.. Table of different Dytiscidae species From Edmund Reitter Fauna Germanica Die Kfer des deutschen Reiches Hydroporus memnonius Hydroporus melanarius Noterus crassicornis Noterus clavicornis Laccophilus hyalinus Laccophilus obscurus Laccophilus variegatus Ilybius fenestratus Ilybius obscurus Ilybius ater Ilybius