It is low in methionine, but it is common for organic feed to be on the low side on methionine due to rules about synthetic forms not being organic. It is possible to supplement with bugs to bring that number up. I would rather protein, lysine, and methionine were higher, but my feed distributor...
Those BSFL look beautiful. I have a wooden Black Soldier Fly composter that we built from plans on the Northwest Redworms website, but I am struggling with a black sludge accumulating in the bin and clogging the drain holes. I am about to start Bokashi composting before throwing the food scraps...