The aedeagi of the british species of the genera Ptomaphagus Ill., Nemadus Th., Nargus Th., Bathyscia Sch. (Col. Cholevidae)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith