Requested reference
Senglet, A. (2001). Copulatory mechanisms in Hoplopholcus, Stygopholcus (revalidated), Pholcus, Spermophora and Spermophorides (Araneae, Pholcidae), with additional faunistic and taxonomic data. Mitteilungen der Schweizerischen Entomologischen Gesellschaft 74(1-2): 43-67. doi:10.5169/seals-402796 -- Show included taxa