Someone knows what i need for it?
It's maybe not really a good idea to mark ant's... :|
Hello,i think this is a good site for you http://www.krungkuene.org/ameisen_page/exp/index.html how to mark ants.
The page is in english and german too.
MfG
Use the AntStore product for marking as it will be safer
http://antstore.net/shop/index.php/cat/c74_experiments.html/XTCsid/e46561bb6490d8297b8c1d4225209f6b
Marking ants with rfid will be the future:
http://thefutureofthings.com/news/1032/hitachi-develops-worlds-smallest-rfid-chip.html
They also tested it with bees however with a larger version.
;)