Sentence:  However, rather than try to place the Viceroy in a rigid, all-or-none category which implies more than the data show, the Viceroy is here considered more <WSD>edible</WSD> than its model, the Monarch, but initially less <WSD>edible</WSD> (except to C-2) than the non-mimetic butterflies used in these experiments. 
Meaning of the word marked with <WSD> tags:  That can be eaten without disgust.