The photographs are difficult, but you can see them on the worker and barely on that one upside-down queen at the top of this thread.
I see. So the long palps would eliminate umbratus-group Lasius, correct?
The maxillary palps of Lasius are kind of unremarkable, although members from the claviger group have very short palps.
Oh. I thought umbratus-group had the short palps.