of the many workers I've seen here, this was both my first and the most dull one. thanks for ruining my first impression of your species now you're always inferior to obscuripes in my mind
keys to niger anyways but it also seems there aren't that many Lasius s.str. to expect around here, only niger,emarginatus, and platythorax for hairy species I think?
seems all three of the rufibarbis group are around here
freakn finally