I've been spending some photo-time with insects recently. Catching the little chaps above didn't work very well - they were just moving too fast and it was windy to boot, so focusing was a matter of luck.
I'm also working on improving my focus-stacking skills...
If you look at the out-of-focus areas, and wonder where the improved focus is: I agree! But have a look at the small photos below. Wind and a life insect made it very difficult to get more than two stackable frames.