Hi Yvette - welcome to LE!
Wesley Fleming makes wonderful glass insects. I don't think the has made any tutorials but here's a youtube video showing how he makes some of his insects. Might be some helpful tips there for you.
https://www.youtube.com/watch?time_c...&v=DbJZLKzPbqA
And here's another one from Bob Thomas, making a spider:
https://www.youtube.com/watch?v=Jsx2kFJPa50