Yes you can. Any two dragons breeding that have fire and lightning might breed a fire fly. But if you breed a lightning and fire together you will most likely get a firefly, but scorch dragons are bred the same an take 3 hours also to incubate so you might get a scorch, not a firefly
1. Edison Firefly wears a green hat. Titus Firefly doesn't. 2. Edison Firefly wears glasses on his head. Titus Firefly wears them on his head. 3. Titus Firefly wears a red vest. Edison Firefly doesn't.