Micrococcus roseus Medium

[Phil]

XYLOUS wrote:
> 
> Can any one help?
>  I'm looking for a simple, cheap selective medium with common lab ingredients
> useful in the isolation of Micrococcus roseus. I'm having my students study
> Koch's postulates using M. roseus injected into the haemocoel of cockroaches,
> from which, of course, they'll reisolate the little guys. Thanks a lot!

I don't know much about cockroach flora - but why does simple streaking
not work?  I do seem to recall that roseus was salt resistant.