Requested reference
Helsdingen, P. J. van & IJland, S. (2007). Mermessus species in the Netherlands (Araneae, Linyphiidae). Nieuwsbrief SPINED 23: 27-29. 
-- Show included taxa
Helsdingen, P. J. van & IJland, S. (2007). Mermessus species in the Netherlands (Araneae, Linyphiidae). Nieuwsbrief SPINED 23: 27-29. -- Show included taxa