An effort is currently underway to generate new distribution maps of all periodical cicada broods. Magicicada tredecassini is a species of periodical cicada endemic to the United States. Magicicada neotredecim is the most recently discovered species of periodical cicada. Magicicada tredecula is a species of periodical cicada in family Cicadidae. The nymphs of the periodical cicada undergo five instar stages in their development underground. He established a Periodical Cicada preserve in Hamden, Connecticut. The winged imago (adult) periodical cicada has red eyes and a black dorsal thorax.