I buy this colony on 10 April on antstore.
After six weeks:
http://www.peerates.org/insetti/index.php/image/640x480/Colonie+di+Formiche/Lasius+niger+alpha/DSC_0009_particolare.JPG
My formicarium is made of polystyrene boxes connected with plastic tubes.
On bottom i put some ytong for keep it humid
http://www.peerates.org/insetti/index.php/image/640x480/Colonie+di+Formiche/Formicaio/DSC_0235.JPG
I bought these boxes on http://www.modulor.de, quite cheap 100 for 30 euro, the size is 95x65x45mm
http://www.peerates.org/insetti/index.php/image/640x480/Colonie+di+Formiche/Formicaio/DSC_0240.JPG
In these days they are moving from the tube to the first plastic box
http://formiche.peerates.org/sites/default/files/imagecache/intermedia/DSC_0132.JPG
detail
http://formiche.peerates.org/sites/default/files/DSC_0132_particolare.JPG
I feed them with insects, boiled egg, honey, anchovies in oil
Nice looking colony asileto! keep it up.