Requested reference
Usher, M. B. (1965). On the occurrence of Silometopus incurvatus (O. P.-Cambridge) (Araneae, Linyphiidae) in Scotland. Annals and Magazine of Natural History (13) 8: 37-39. 
-- Show included taxa
Usher, M. B. (1965). On the occurrence of Silometopus incurvatus (O. P.-Cambridge) (Araneae, Linyphiidae) in Scotland. Annals and Magazine of Natural History (13) 8: 37-39. -- Show included taxa