i guess the ones i saw were native to australia, and given rediculous import laws you may have trouble getting some
but she does say the one time she harvested, she didnt get very much, so you may need a lot of these buggers to get the same amount of honey, but for someone who is allergic, it may be worth it due to them being stingless
http://www.youtube.com/watch?v=Um5yPfKMybU
other than this video i dont know a whole lot about stingless bees, ive never kept them myself, nor have i seen more than this one video really, but maybe this will help you get going in the right direction:)