That's a good article Gail, sums em up really nice and has a nice little nutrional comparison = )

In addition, Silkworms contain an enzyme serrapeptase which has been linked to reduced inflammation and arterial plaque amonst a variety of other benefits. Cheri Smith actually examined the effects of silkworms as a feeder an serrapeptase on some rescue bearded dragons and the results were phenominal. I will link you to the article when I can get the site functioning again.

If you can get eggs from the right supplier, you can actually refrigerate the eggs for storage and pull them out as you need them. They aren't painfully difficult to breed if you have a high enough demand for them and a lot of mouths to feed, but you may be able to find eggs from a wholesaler capable of being refrigerated. The only downside to this is I don't think they have an infiinite shelf life, and you would have to rear babies up ahead of time who can only eat the finest of fresh new mulberry leaves or chow due to their small mandibles.