Hello. I'm not sure what you mind about "bout the mushroom", that cardboard construction inside nest? If you think that like me, my colony don't have "mushroom" yet, that's young colony, queen have tens own workers so they don't make that. I stick in quotation from polish website description how loo...

If you want you can ask me here
I will remember now, sorry for that, I didn't know about this rules
Regards Thomas

Sorry, I can't translate because my english is still no good I have this ant, so if you want speak about Lasius fuliginosus you can ask me via icq
Regards Thomas

If you want I can give you description about L. fuliginosus, but in polish language That's link http://formicarium.pl/open.php?p=artykuly&dzial=3&art=33
Sorry for english on German website