Annual cicadas of Delaware (DE):
All cicadas appear every year unless otherwise noted.
Neocicada hieroglyphica hieroglyphica (Say, 1830) aka Hieroglyphic Cicada

Neotibicen davisi davisi (Smith and Grossbeck, 1907) aka Davis’ Southeastern Dog-Day Cicada

Neotibicen lyricen engelhardti (Davis, 1910) aka Dark Lyric Cicada

Neotibicen tibicen tibicen (Linnaeus, 1758) aka Swamp Cicada, Morning Cicada

Neotibicen winnemanna (Davis, 1912) aka Eastern Scissor(s) Grinder

Periodical cicadas of Delaware (DE):
Magicicada septendecim (Linnaeus, 1758) aka Decim Periodical Cicada or Linnaeus’s 17-Year Cicada or 17-Year Cicada
These emerge next in 2021 (Brood X). Often they emerge 1 or 4 years earlier than expected.

- Periodical cicada Brood X (10) will emerge in 15 states in 2021
- Look & listen for Brood X Stragglers
Name and Location References:
- Full Binomial Names: ITIS.gov
- Common names & locations: BugGuide.net; iNaturalist.com; The Songs of Insects by Lang Elliott and Wil Herschberger; my personal memory.
- Locations: Biogeography of the Cicadas (Hemiptera: Cicadidae) of North America, North of Mexico by Allen F. Sanborn and Polly K. Phillips.
- List of species with MAPs: Biogeography of the Cicadas (Hemiptera: Cicadidae) of North America, North of Mexico [PDF] by Allen F. Sanborn and Polly K. Phillips. Download it once; treasure it forever.