|Close-up of the trident|
The distribution of O spinosus is strongly skewed to the SE of England. I am aware of other recent records in Glamorgan, so it may be expanding its range. It would be interesting to hear if readers of this blog find new records of this relatively distinctive species in Glamorgan.
Source: Spider Recording Scheme/British Arachnological Society (2012) Website and on-line database facility