keeping robber flies

[Pulk]

I found this pair mating and re-mated them at home -
http://www.flickr.com/search/?q=robber&w=11403562@N07


Anyone have any info or links on keeping them, rearing them, or getting them to lay eggs?
(or an ID)... thanks

 

[Pulk]

these are not robber flies, but rather Mydas flies (Nemomydas sp.)

(thanks What)