The front legs are in focus and part of the abdomen, but when shooting a 'creature' if the eyes are visible, it is crucial they be in focus. they are just out of focus. Your depth of field is a little too shallow.
Awesome spider though, I hope you get a chance to capture one lit it again.
Try shooting a ruler at different apertures to learn how best to set your camera to capture an inch or two in focus. This should be good for most insects.