That chart isn't correct it's the same one that one of the dubia companies uses too.
We had a thread here years ago where elliot's butterworms lab tested his butterworms and they agreed with all the other charts that stated butterworms are low fat high calcium feeders.
Edit: I admit I didnt really read that whole article when I first saw the butterworm info. It seems the author has done his research but I'd be interested In if he could share his findings and reports and lab testing. Because elliot's shared that with us and it showed what i previously stated.
So it's hard to know what to believe. I saw the lab results from elliot's, but not from this article.
-Brandon