​You will need:
     Black paper
     White paint
     Paper plate or shallow dish
     Pipe cleaners
     Wire cutters or sharp scissors
     Glue​

Pour some white paint into a paper plate or shallow dish. Make white finger prints on your black paper, to look like wings of a firefly. Make a bunch of them all over your paper! (pic 1.)
Cut the pipe cleaners into small pieces to make the body of your bugs. Glue them in place and you're done! (pic 2)

Paint white lines at the head of your bug to make the antennas (pic 3)