Trox hamatus Robinson (Troginae) using a Canthon (Scarabaeinae) brood ball and new records of North American Trox (Coleoptera: Scarabaeidae)

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