Ptomaphagus ruthenus holotype (Romania) habitus.JPG
Description:
Image taken with iPhone through eyepiece of microscope at the Budapest Natural History Museum by Menno Schilthuizen, 26 October - 6 November 2015.
(P. ruthenus Reitter is a junior synonym of P. varicornis.)
Creator:
Menno Schilthuizen
Taxonomic name: