Sitting in the shed doing moths, all 3 species of them ( 2 degrees C night temp) and this little spider wandered out while I had a pot in my hand so I scooped it up and photographed it and it has been identified as Clubonia species, look at the eye set of this spider, they are unique to this species, again this is a female look at the palps, Duncan
It's a Clubiona. In Drassodes the posterior median eyes are much closer together - so I'm not sure how you decided the eye arrangement identified it as D. pubescens, sorry. Also, the jaws tend to protrude more in Clubiona species
I think the Clubionidae and Gnaphosidae give lots of aspiring arachnologists problems. Another difference is the shape of the cephalothorax - in Gnaphosidae (UK ones anyway) it tends to narrow more towards the front. There's also supposed to be a difference in the spinnerets but I struggle with that one.
I have edited the thread to Clubonia species and I have had a good look at that species and now see my mistakes, the closest I can come is to either C. terrestris or C.Lutecens but again need guidance on this. Duncan
It could well be C terrestris or lutescens but to identify these plain Clubiona species I don't think there's any alternative to examining them under the microscope. With a spy pot (which I read you're an expert on) you can do this whilst they're alive, if you can keep them fairly still. Females are easier than males because you examine the epigyne on the underside of the abdomen. Males are trickier because you need to examine the palp from the side.