Bolyphantes luteolus, a rare spider in the Netherlands. - An adult male of Bolyphantes luteolus was collected in the province Noord-Holland, the Netherlands, where the species is not common. It was found on ground level in wet grass in a marshy and sunlit wooded part of the nature park “De Biezenwaard”. It was observed that the species outside its web walked with a Clubiona-like gait. Other species collected on the same site are mentioned.