Here is one more variation of gkheedha (still in research for perfect form), and just as previous one this sketch was made for the artbook as well.
Back to: I really want to make them as alienish as I can, yet I feel like it's not enough and I need much more time to figure it out... maybe I'll change some parts in the future, especially regarding joints on wings I think. Yet I pretty satisfied with membrane of the wings, its overall form, soo... will see.