Joined: Sep 2007
Posts: 1554
Yes, they are, but you would have to know how to prepare them properly to avoid ingesting parasites that they would carry.
People the world over eat insects on purpose daily. You can buy prepared powders for adding to smoothies or whatever other way you might want to eat them.
Personally, it wouldn't be something that I would do unless in a very extreme survival situation. Even then, I'd most likely try to find almost anything else to eat instead.