Gene Kristsky let us know that people are finding Magicada stragglers and reporting them on iNaturalist. It looks like most of the stragglers are in the Brood XIX area currently, but as temperatures warm, we might see others from other Broods.
Be on the lookout in 2022 (or any year)! Any place you see a red dot is a possibility. Even central Massachusettes (former home of Brood XI) and Ontario — maybe so.
What is a Magicicada:
A Magicicada is a genus of cicada that lives in the United States that typically emerges in 17 or 13-year cycles depending on the species.
They look like this:
What is a Brood:
A Brood is a numbered group of Magicicada cicadas that emerge in a specific series of years.
Example: Brood X (X is the Roman numeral for 10) emerges every 17 years, i.e. 2021, 2038, 2055, etc.
What is a Straggler:
A Straggler is a Magicicada that emerges earlier or later than anticipated.
Example: If a Brood XIX (13-year, next due in 2024) cicada emerges in 2022, we can say it is a straggler that emerged 2 years early.
Stragglers that emerge earlier than expected have also been called “precursors” (Marlatt 1898). I also call them “pioneers”.