First of all, I've made a sketch.
(excuse my english)
step 2 of 5
Then I filled the lines whit a new layer, and hided the sketch afterwords.
step 3 of 5
After that I painted and added some lines and details to the hair.
step 4 of 5
Then I painted with the brush tool to colorize. about 60% opti.. and 30-50% flow.
step 5 of 5
Finnally I just added some shadows and a background.
After that I selected the bug from the original image and imported it to the one that i've just created.
Some more scaleing and rotateing and fire effects made by the brush, and the background and glow.