Different types of Magicicada periodical cicada holes found in Princeton, NJ. Brood X, 2021. Generally speaking, their holes are about the size of a dime. You won’t see a spray or kickback of soil around the hole like you would when an animal is digging into the soil rather than coming out of it (cicadas are coming out).
Typical dime-sized cicada holes
A hole with a corresponding mini cicada-chimney
A golf ball sized chimney over a hole
A hole borrowed into a hay bale laying on the ground
A hole in moss
Holes in the underside of a rotten log, with a nymph!
Cicadas will burrow up from the soil of the ground and keep going into the rotting wood of a rotten log! I had to roll the log over to see it.
2. Two of them are…
7. Mistaken identity
8. Soil temperature sampler
10. Insect Singers site
11. The cicada’s old outfit
13. Where you’ll find the arches.
15. Keep a lid on it.
17. Longest lifecycle.
22. Ohio expert
27. Never on time.
28. A delicious drink.
29. I’m seeing red.
31. 5 steps.
33. Final form.
35. Seven is the smallest.
1. Un-popped collar.
3. Four to get off the Floor.
4. A “cool” cicada expert.
5. Three of Five.
12. A rare color.
14. Nest knife.
16. Pitch shifter
18. Left Connecticut forever
19. Drum kit.
20. Amphetamine fungus.
21. Cicada banners.
23. Keep hanging on.
25. Mr. Softy.
26. Just six of these.
34. Connecticut lab leader
Here’s something fun: Cicada Mania BINGO. Use this BINGO card to keep track of everything you see, hear or do in context to the Brood X emergence. Here’s a PDF version. Tips below the image of the card:
Female Magicicada cicadas do not sing, but they do make a sound by flicking their wings. These percussive wing flicks get the attention of male cicadas and it compels them to sing their court songs in response.
Here’s a video of a female cicada flicking her wings:
A video of a group of female cicadas flicking their wings in a tree:
You can fool male cicadas into thinking a finger snap is a wing flick. Here’s a video of a male cicada calling in response to fake wing flicks:
Have a listen to Dr. Chordate’s Periodical Cicada Graduation Song, with an intro by Dr. Chordate. “This is a graduation song: the larvae of the 17-year periodic cicada finally emerge from the ground to transform into adults.”
Aside from Brood X, what else is happening in terms of Periodical cicadas?
Expect some early-emerging cicadas from Brood XIV, showing up 4 years early. Brood XIV exists in Georgia, Kentucky, Indiana, Massachusettes, Maryland, North Carolina, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia.
There might be some 1-year stragglers form Brood IX. Brood IX is in North Carolina, Virginia and West Virginia.
There might be some 4-year stragglers from Brood VI. Brood VI is found in Georgia, North Carolina, South Carolina, and Oklaholma. And Ohio?Brood VI is a weird one.
I was wondering how much an adult Magicicada weighs. According to Richard Karban’s paper “Transient habitats limit development time for periodical cicadas,” a female Magicicada septendecim weighs approximately 1.2 grams. (Karban, R. (2014), Transient habitats limit development time for periodical cicadas. Ecology, 95: 3-8. https://doi.org/10.1890/13-1518.1)