can anyone tell me the difference between L asius flavus queens and L asius niger queens?
Lasius flavus queens are generally slightly smaller and less dark coloured. The best way to be sure is to flip them on their back. The underside of the abdomen of a flavus queen is a much lighter brown - (almost orange, but not quite). On the other hand niger queens are almost uniform in colour.
ah thanks mate. i just got some fresh test tubes for this year.
The leggs of a Lasius flavus queen are not so dark, almost yellow.
Also Lasius flavus queens are ever so slightly smaller then niger queens and alot less aggresive. Try picking each species queen up and you should see what I mean.
ok thanks guys. i got one more question, do Lasius flavus grow as fast as Lasius niger?
ok thanks guys. i got one more question, do Lasius flavus grow as fast as Lasius niger?
Very similar rates, it all depends on environment as well.
In my opinion a little bit slower but not much.