I think that's exactly correct GW. I think that it depends on the concentration of the liquid. I piled a bunch of vegetables I found in a dumpster into my fly bin and they produced a LOT of liquid for number of days. Now it's tapered off a lot and I'm getting a lot less of the liquid. Another thing may help is to let the liquid sit around for a week or more to let it finish 'cooking'. Biological action in green compost can actually be detrimental to plants because it takes nitrogen and oxygen out of the soil. I'm still taking pictures. I'll post when I get a series put together.

I've read that worms and maggots work together pretty well. I actually have some bsf in my worm bin as well. Honestly, I wish they weren't because they eat the compost before my worms have a chance. There aren't a whole lot of them though so it's alright.

I found a reference to beehives on the biopod site:
http://thebiopod.com/pages/pages/bsf.html

fly control site
http://www.flycontrol.novartis.com/species/soldierfly/en/index.shtml

entomology site (though they say "waste materials found in beehives")
http://www.entomology.ucr.edu/ebeling/ebel12.html