Brood X (Page 2) - Cicada Mania

Brood X (Ten) is a brood of Magicicada (genus) periodical cicadas located in DE, GA, IL, IN, KY, MD, MI, NC, NJ, NY, OH, PA, TN, VA, WVA, and Washington DC. It has a 17-year life cycle. The next time the brood will emerge is 2038.

June 9, 2021

Brood X 2021 Princeton, New Jersey

The Princeton Battlefield (historical location of one of George Washington’s battles) has always been a great place to find Brood X periodical cicadas.

Here are a few photos I took last weekend:

A female Magicicada septendecim with white eyes & costal wing margin mating:
Magicicada with white eyes mating

A female Magicicada septendecim with white eyes & costal wing margin:
Magicicada septendecim female with white eyes

Magicicada with beige eyes:

Many, many exit holes:
Loads of holes

Triple exit holes in mud (kinda looks like a skull):

Egg nests carved into branches by the cicadas ovipositor:

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May 30, 2021

Rainy day Magicicada behavior

Filed under: Behavior | Brood X | Magicicada — Tags: M. septendecim — Dan @ 8:09 pm

Brood X has emerged in Princeton, New Jersey, but the weather is currently not great for cicadas: less than 50°F and rainy. Undaunted, I visited Princeton yesterday to observe Magicicada cicada behavior on a cold, rainy day.

I arrived at Princeton Battleground State Park around 3:30 PM and immediately head to the short trees and tall weeds, like honeysuckle, that line the perimeter of the park. I was pleased to see hundreds of cicadas clinging to the leaves, stems, and branches of the plants — seemingly without extra effort or discomfort. Many were weighted down by droplets of rain, which seemed to roll off their bodies and bead on their wings like translucent pearls.

Even though temperatures were below 50°F I did hear an occasional distress call, and saw plenty of cicadas mating — perhaps they started mating before the rain and cold weather began. No flying. No calls, chorusing, or wing flicks.

Other than thousands of seemingly healthy but (patient) cicadas hanging from vegetation, there were plenty of malformed cicadas on the trunks of larger trees, and piles of exuvia and corpses circling tree trunks. The air around trees stank like ammonia and rotting fat and meat — not unlike a dumpster behind a burger restaurant.

I saw mostly Magicicada septendecim and some Magicicada cassini. No apparent Magicicada septendecula. I saw just one M. Septendecim infected with Massospora cicadina fungus. While there was plenty of avian activity in the area, I did not see any birds or other creatures feast on the docile or dead cicada — maybe I scared them away — maybe their appetites were satiated.

Cicadas dripping with rain:

Cicadas mating:

Cicadas mating

M. Septendecim infected with Massospora cicadina fungus:

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May 29, 2021

Brood X-ellence, a rap about Brood X by EntoGeek

Filed under: Brood X | Music — Dan @ 12:46 am

I’m surprised that this is the first rap song about Brood X I’ve heard so far.

Brood X-ellence, a rap about Brood X by EntoGeek. It’s pretty good.

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May 26, 2021

Brood X in Grover’s Mill, West Windsor & Plainsboro, New Jersey

Filed under: Brood X — Dan @ 9:47 pm

On May 23rd I made it out to eastern Mercer County, New Jersey to too look for Brood X cicadas. Specifically, I made it out to West Windsor Township, its famous neighborhood Gover’s Mill, and nearby Plainsboro Township.

Overall the emergence in the area was underwhelming. Some holes, some exuvia (skins), and even fewer cicadas. Throughout the area, I heard individual calls by Magicicada septendecim and Magicicada cassini, but no choruses. I was there between noon and 5 pm. The temperature was somewhere between 85 and 90 degrees fahrenheit. The soil and air were very dry.

The best location was Van Nest Park in Grover’s Mill (in West Windsor). There, every suitable tree had a dozen or more exit holes around its roots. Most trees had at least 12 exuviae on them, and a few had cicadas crawling in them.

Van Nest Park is best known for the War of the World’s monument on its grounds. In this photo, Orson is sharing a mic with a cicada:

Orson Wells

It breaks my heart to see cicadas with shriveled wings. This one was in Van Nest Park:

Adult with Shriveled Wings in Van Nest Park

Ronald Roger’s Arboretum, also in West Windsor, had plenty of exit holes along its hiking trails, but very few exuviae, and only one audible singing Magicicada septendecim.

In Plainsboro, the Lenape Trail offered nothing in terms of cicadas, but I could hear cicadas singing nearby. Waters Edge Park had exuviae hanging from tree leaves, but no visible adult cicadas, and a few audible M. septendecim. I did see one fisherman using a cicada for bait.

Either the Brood X emergence was very light in this area, and most were wiped out by birds, or it is still early. I will do my best to check this location again to be sure.

Picture semi-related:

Before Orson was frozen in carbonite

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May 3, 2021

Be cautious and considerate when looking for Brood X cicadas

Filed under: Brood X | Community Science — Dan @ 6:34 pm

Brood X will emerge in 2021, and people will want to travel to see and hear them. Should you decide to travel to witness Brood X or any cicada emergence in the U.S., be cautious and considerate of the following:

Be respectful of private property

Periodical cicadas thrive in neighborhoods and campuses with old hardwood trees and grass lawns, as you’ll find in places like Princeton, New Jersey. Don’t traipse and trample onto private property without permission and always visit local parks, instead of neighborhoods, when possible.

Observe local laws and customs

This should go without saying: obey local laws. Do not: litter, trespass, speed, j-walk, etc. Don’t give cicada fans a bad name.

Be prepared to practice social distancing and to wear a mask, even if just as a courtesy. I noticed that even outdoors in public parks, people in New Jersey wear masks.

Do not bring Spotted Lanternflies home with you

Spotted Lanternflies are true bugs, just like cicadas, but they are very, very destructive pests and an “invasive species”. Like the Pennsylvania Department of Agriculture website says, they “cause serious damage including oozing sap, wilting, leaf curling, and dieback in trees, vines, crops and many other types of plants”! They kill the trees cicadas call home.

Pennsylvania and western New Jersey are loaded with Spotted Lanternflies, so if you travel to those states to see Brood X cicadas, make sure you check your vehicle and belongings for Lanternfly hitchhikers. Don’t bring them home with you. At this time of year, I believe they are still in their black phase.

Spotted Lanternfly Sign
This sign is downloadable from the USDA website.

And squash them all — for the good of the forest and cicadas.

More info at the USDA website.

Protect yourself from ticks

Long Island (NY), New Jersey, Pennsylvania, and nearby states are loaded with Lyme Disease carrying Blacklegged/Deer Ticks. I’ve known people who have Lyme Disease and it practically ruined their lives. Unfortunately, ticks are found in the same areas as cicadas, like parks, yards, and forests. The CDC website has tips for preventing tick bites on people that I highly recommend you read and follow their tips. I personally wear pyrethrum-treated clothes when outdoors in New Jersey.

From the CSC.gov website:
Lyme Ticks

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May 2, 2021

Different types of Magicicada periodical cicada holes

Filed under: Brood X | Chimneys | Magicicada | Periodical — Dan @ 5:19 pm

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

Typical Holes

A hole with a corresponding mini cicada-chimney

Here's a hole and cap

A golf ball sized chimney over a hole

Mud Golf Ball

A hole borrowed into a hay bale laying on the ground

Hole in Hay

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.
Holes in a Log

The inside view of a 4″ cicada chimney

Chimey

Video of a Nymph

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March 28, 2021

Brood X Cicadas in Long Island? Let’s find them

Filed under: Brood X — Dan @ 7:09 pm

Cicada on LI

Elias Bonaros found cicadas in 2021 in Bohemia County Park and East Setauket.

Brood X periodical cicadas will emerge this spring (May) in the eastern U.S. — hopefully in Long Island as well. Chris Simon asked me to post this on the site. Brood X cicadas were hard to find in Long Island on 2004 — so we really want to find so, and how Long Islanders can help. Report cicadas with the Cicada Safari app.

Brood X may have breathed its last breath on Long Island! Or maybe not. This year may in fact reveal localities that we missed in 2004. It may capture people’s imagination just like the hunt for the last Ivory-Billed Woodpecker in Arkansas or the last Tasmanian Tiger in Tasmania.

Brood X cicadas were previously found on Long Island and it is unclear whether they are extinct or not! We are hoping to advertise the Cicada Safari app to your readers so they can help us find Brood X.

Attached is the Newsday article from 2004 that describes the previous Brood X emergence. Sites include Shirley, and Connetquot River State Park Preserve in Oakdale (Northeast section), and Ronkonkoma.

This locality info for Long Island is from the appendix of Simon and Lloyd 1982, J. N.Y. Ent. Soc.

It documents the historical decline of Brood X on Long Island as follows…

1902: Davis (1920) quoted the eighteenth report of the N.Y. State entomologist (1902. p. 113) as follows, “The insects were observed… at Wantagh. Nassau Co., also between Massapequa and Amityville, between Sayville and Oakdale, east of Patchogue to Brookhaven and also to the north of Medford and Holtsville, and a small brood [sic] northeast of Riverhead, all in Suffolk Co.” Davis (1907) reported that although a friend had seen hundreds of exuviae of the 17 -year locust in Prospect Park, Brooklyn. he had only obtained three adults and he “attributed their scarcity to the English Sparrow.”

1919: The New York Times of June 17th, 1919 (p. 25:3) talked with farmers in the vicinity of Farmingdale, Bethpage, and Massapequa who reported thousands of cicadas doing damage to fruit trees and other hardwoods. Old residents claimed that 17 years before they were not nearly so numerous. Daviis (1919) recorded” 1 7 -year cicadas singing at Mastic, L.L during the first week of June.” In another publication (Davis 1920) he noted them as occurring on South Country Road just cast of Carman’s River, and in the woods just east of Patchogue; also from Wantagh to Farmingdale and as far north as Central Park on Long Island; finally, north and east of Massapequa railroad station.

1936: The New York Times (June 12, 1936, p. 4:7) reported that the cicadas were found “first in Carmen Ave., Farmingdale … since then the swarms have been reported at Massapequa, and all through Suffolk scrub oak along the Motor Parkway from Medford westward to Farmingdale.” They were also seen along the Sunrise Highway in Massapequa Park.

1970: Newsday (June 5, 1970, p. 12) lists two exact localities Skylark Drive (Holtsville) and Springdale Drive (Ronkonkoma). They explained that “officials of the State Conservation Department and County Agricultural Extension Service said … that they have received hundreds of complaints this month about the insects. Most of the calls have come from an area including Ronkonkoma, Holtsville, Islip, and Sayville. where the influx is concentrated.” The same newspaper (June 23. 1970) reported 17-year cicadas in Bohemia on eighth Street near the South Side Sportsman’s preserve. They must have been abundant because “50 Bohemia residents … signed petitions appealing for help to fight the alarming problem of swarming cicada locusts [sic].”

Other, more recent, records…

1987: Suffolk Co. Long Island. Chris Simon and her student Andrew Martin collected periodical cicadas at Bohemia Equestrian Park in Oakdale and in Shirley.

2004: Suffolk Co. Long Island. Bryn Nelson of Newsday reports that periodical cicadas, “made only cameo appearances this year — first in East Setauket and later in Connetquot River State Park Preserve in Oakdale….Particularly vexing is the sputter at Connetquot, which reported masses of cicadas in its northeastern section both in 1987 and in 1970. Gary Lawton, a regional environmental education coordinator for New York State Parks, reported hearing a few cicadas at the park about three weeks ago….But after a few days, the calling abruptly stopped.” Residents of Shirley near the South Shore of Long Island, who saw them in 1987, did not see an emergence in their yards in 2004.

Some more locations from 1987 compiled by Thomas Kowalsick of the Cooperative Extension of Cornell University (specific addresses redacted):

Loughlin Drive, Shirley, NY
Happy Acres Drive, Shirley, NY
Malba Drive, Shirley, NY
Windus Drive, Shirley, NY
Peconic Street, Ronkonkoma, NY
Springdale Drive, Ronkonkoma, NY
Julia Goldback Avenue, Ronkonkoma, NY
Goldbach Avenue, Bohemia, NY
Connetquot River State Park, Oakdale, NY
Mayflower Lane, Setauket, NY

Cawfee

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January 9, 2021

Periodical cicada Brood X (10) will emerge in 15 states in 2021

Filed under: Brood X | Magicicada | Periodical — Dan @ 1:01 am

Brood X 2021

Brood X emerged in Delaware, Georgia, Illinois, Indiana, Kentucky, Maryland, Michigan, North Carolina, New Jersey, New York (not yet extinct), Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Washington D.C. Report them with the Cicada Safari app. Use the hashtag #BroodX or #BroodXCicadas on social media.

LATEST NEWS:

Enjoy this video from 2021:

12/27/21: Dr. Gene Kritsky’s retrospective on the 2021 Brood X emergence has been published on the America Entomologist website.

In the news:

NJ.com: Cicadas invade N.J. town where aliens landed in ‘War of the Worlds’.
New York Times: The Case of the Disappearing Cicadas
Bloomberg CityLab: To Map Billions of Cicadas, it Takes Thousands of Citizen Scientists
NJ.com: Big 2021 cicada invasion hasn’t started yet in N.J., but some early cicadas have arrived
Washington Post: Get ready! We predict cicadas will begin emerging next week.
c|net: Billions of bugs: Meet the cicada chasers trailing Brood X.
Fstoppers: Photographers Should Put This on Their Calendar Right Now: The Brood X Cicada Storm in Eastern U.S.

Interesting merch:

A nice Magicicada pin by Carolyn Belefski
A Brood X Cicada Notebook for documenting your cicada experiences.
Cicadas Don’t Scream Activity Book.
Gene Kritsky’s Periodical Cicadas: The Brood X Edition
Sue Fink’s Cicada Suite (music) comes with a cicada shaped flash drive.

Articles about Brood X, a retrospective:

What, when, where, and why:

What are these cicadas?

Billions of these insects:

Adult, Nymph, Molting Cicada

Black, orange and red Cicada insects with a 17-year life cycle.
Some people call them “locusts” but they’re really cicadas.
Which species: All three 17-year species, Magicicada septendecim, Magicicada cassini and Magicicada septendecula. How to tell the difference between the species.
NOT the green ones that arrive annually.

When will these cicadas emerge:

Typically beginning in May and ending in late June. These cicadas will begin to emerge approximately when the soil 8" beneath the ground reaches 64 degrees Fahrenheit. A nice, warm rain will often trigger an emergence. Back in 2004, people began reporting emergences around May, 13th, but if the weather is warmer, it might start in late April. Update: in 2021, they started in Tennessee on 4/27.

Other tips: these cicadas will emerge after the trees have grown leaves, and, by my own observation, around the same time Iris flowers bloom:

Magicicada on an iris flower in Scotch Plains by Judy Lanfredi

Where will these cicadas emerge:

Cicadas @ UCONN has the most up to date map. If you see a cicada and want to report it, the Cicada Safari App is available for Android and Apple devices .

Here’s my list from 2004. Green highlight means adults have emerged in 2021!

Delaware:

Delaware counties: Kent, New Castle, Sussex.

Delaware places: Newark, Wilmington.

Georgia:

Georgia counties: Gilmer, Murray, Union, White, .

Georgia places: Blairsville, Blue Ridge, Chatsworth, Ellijay, Fort Mountain State Park, Norcross.

Illinois:

Illinois counties: Edgar, Clark, Cook, Crawford, Vermilion.

Illinois places: Marshall, Park Forest, University Park.

Indiana:

Indiana counties: Brown, Clark, Clay, Columbus, Crawford, Daviess, Dearborn, Dubois, Fountain, Gibson, Greene, Jackson, Jefferson, Jennings, Lawrence, Martin, Monroe, Montgomery, Morgan, Orange, Owen, Parke, Perry, Pike, Ripley, Spencer, Sullivan, Vanderburgh, Vigo, Warrick, Waveland, Washington.

Indiana places: Aurora, Bloomington, Brookville, Clinton Falls, Dillsboro, Fishers, French Lick, Henryville, Indianapolis, Lawrenceburg, Lexington, Martinsville, McCormick’s Creek State Park, Nashville, New Pelkin, North Vernon, Salem, Skiles Test Park, Spencer.

Kentucky:

Kentucky counties: Boone, Breckenridge, Bullitt, Carroll, Daviess, Gallatin, Grayson, Hardin, Henry, Jefferson, Livingston, La Rue, McLean, Muhlenberg, Nelson, Ohio, Oldham, Trimble.

Kentucky places: Big Bone Lick State Park, Covington, Dayton, Dry Ridge, Eastview, Florence, Ft. Thomas, Georgetown, Grand Rivers, Hebron, Highland Heights, Louisville, Newport, Villa Hills.

Maryland:

Maryland counties: Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick, Garrett, Harford, Howard, Montgomery, Prince Georges, Washington.

Maryland places: Abingdon, Annapolis, Aspen Hill, Baltimore (learn about the Baltimore Cicada Art project), Bel Air, Beltsville, Berwyn Heights, Bethesda, Bowie, Brooklandville, Brooklyn Park, Catonsville, Chevy Chase, Clarksville, Clinton, Colesville, College Park, Columbia, Cockeysville, Crofton, Cumberland, District Heights, Eldersburg, Elkridge, Elkton, Ellicott City, Fair Hill, Fallston, Forestville, Four Corners, Gaithersburg, Gambrills, Germantown, Glen Burnie, Glenelg, Greenbelt, Gwynn Oak, Hagerstown, Hanover, Havre De Grace, Hillcrest Heights, Hunt Valley, Hyattsville, Hydes, Jessup, Kensington, Landover Hills, Laurel, Linthicum, Loch Raven watershed, Lutherville, Odenton, Oella, Onley, Owings Mills, Pikesville, Potomac, Randallstown, Reisterstown, Riverdale, Rockville, Severna Park, Sharpsburg, Silver Spring, Takoma Park, Timonium, Towson, Travilah, Wheaton, Woodbine.

Want a FREE cicada book? In the DC area? Visit Lulu Florist, 4801 St. Elmo Ave., Bethesda, MD, and ask for a free copy of Cicada: Exotic Views by Davy Shian.

Michigan:

Michigan counties: Hillsdale, Washtenaw.

Michigan places: Ann Arbor, Canton, Quincy.

New Jersey:

New Jersey counties: Burlington, Hunterdon, Mercer, Middlesex, Salem, Somerset, Warren.

New Jersey places: Alexandria, Allerton, Annandale, Asbury, Belle Mead, Bethlehem Township, Berkeley Heights, Bloomsbury, Browns Mills, Carpentersville, Clinton, Clinton Township, Cranbury, Delaware Township, East Amwell Township, Flemington, Franklin Park, Franklin Township (Somerset), Franklin Township (Warren), Frenchtown, Greenwich Township, Grover’s Mill, Hampton, Harmony, Hillsborough Township, Holland Township, Hopewell Township, Kendall Park, Kingston, Kingwood Township, Lambertville, Lawrence, Lebanon, Merrill Creek Reservoir, Milford, Montgomery, Monmouth Junction, Morristown, Mt. Rose, Pennington, Perryville, Phillipsburg, Plainsboro Township, Pittstown, Pohatcong Township, Princeton, Princeton Junction, Princeton Meadows, Prallsville, Raritan Township, Raven Rock, Readington Township, Ringoes, Rosemont, Rocky Hill, Skillman, Sourland Mountain, South Brunswick Township, Stanton, Stewartsville, Stockton, Union Township (Hunterdon), Voorhees Corner, West Windsor Township.

There’s an abundance of large parks and natural areas around Princeton.

New York (Long Island):

New York counties: Suffolk (but extinct, or nearly so, but still look for them – Newsday article).

New York places: All on Long Island, but based on the 2004 emergence, they might be extinct. Some were seen in East Setauket, Connetquot River State Park, Ronkonkoma, Stony Brook. In 1987 they were seen in Shirley, Ronkonkoma, Bohemia, Connetquot River State Park, Oakdale, and Setauket.

In Long Island? Please read this article!.

North Carolina:

North Carolina counties: Buncombe, Cherokee, Surry, Wilkes.

North Carolina places: Apex, Elkin, Morganton, Murphy, Roaring River, Weaverville.

Ohio:

Ohio counties: Butler, Clermont, Defiance, Franklin, Greene, Hamilton, Logan, Montgomery.

Ohio places: Amelia, Anderson Twp, Battelle Darby Park, Batavia, Bellbrook, Camden, Centerville, Cincinnati, Columbus, Defiance, Delaware, Delhi Twp, Dublin, Fairfield, Galloway, Hamilton, Kettering, Lewisburg, Lockland, Miamisburg, Olmsted Falls, Oxford, Paint Creek State Park, Springfield, St. Bernard, West Carrollton, West Chester.

Pennsylvania:

Pennsylvania counties: Adams, Bedford, Berks, Bucks, Chester, Columbia, County, Cumberland, Dauphin, Delaware, Franklin, Fulton, Huntingdon, Lancaster, Lehigh, Luzerne, Lycoming, Mercer, Montgomery, Northampton, Perry, Schuylkill, Somerset, York.

Pennsylvania places:Archbald, Artemas, Bedford, Carroll Valley, Coopersburg, Dinosaur Rock, Downingtown, Erwinna, Gettysburg, Green Lane, Kintnersville, Lake Nockamixon, Lancaster, Lititz, Lumberville, Malvern, Mertztown, Metal Township, Mohnton, Mt Gretna, New Hope, Oaks, Oley, Perkasie, Perkiomenville, Phoenixville, Pipersville, Pittston, Plumstead Township, Point Pleasant, Quakertown, Red Lion, Roaring Spring, Solebury Township, Spring Mount, Stewartstown, Tinicum Township, Topton, Uhlerstown, Upper Black Eddy, Warwick Park, Williams Township.

Special note for folks in the Philly area: Is Philly Being Snubbed Again?.

Tennessee:

Tennessee counties: Blount, Greene, Hamblen, Hamilton, Jefferson, Knox, Polk, Roane, Sumner, Washtington, Wilson.

Tennessee places: Benton, Copperhill, Farragut, Fayetteville, Knoxville, Oak Ridge, Powell, Signal Mountain.

Virginia:

Virginia counties: Arlington, Clarke, County, Dulles Smithsonian National Aircraft and Space Museum, Fairfax, Fauquier, Frederick, Loudoun, Shenandoah, Warren, Winchester.

Virginia places: Alexandria, Annandale, Arlington, Ashburn, Centreville, Chantilly, Clearbrook, Del Ray, Doswell, Dunn Loring, Fairfax, Falls Church, Franconia, Gore, Hampton Roads, Haymarket, Herndon, Lorton, Lovettsville, Manassas, McLean, Merrifield, Oakton, Reston, Springfield, Sterling, Vienna, White Post, Winchester.

West Virginia:

West Virginia counties: Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral, Morgan.

West Virginia places: Inwood, Martinsburg, New Creek, Paw Paw.

Washington D.C.

DC Brood X

Washington D.C. places: Washington D.C.

Want a FREE cicada book? In the DC area? Visit Lulu Florist, 4801 St. Elmo Ave., Bethesda, MD, and ask for a free copy of Cicada: Exotic Views by Davy Shian.

More Location Tips:

Reports of Brood X cicadas that emerged early in 2017.
County data is from the Cicada Central Periodical Cicada Record Database. Cities come from May 2004 reports and June 2004 reports.
Not sure? Ask someone in your community who lived there 17 years ago.

Example Emergence Timeline

This is an example of a typical cicada emergence. The exact dates will depend on the weather and density of the emergence in your location. Hot weather means an early start and quicker finish to the season — cool weather means a later start, and a protracted season.

Example Emergence Timeline

Here’s an Excel version of the chart. Feel free to use it and adjust it to match your experience.

Or watch the video version:

Some interesting things to look for

	Lean why many cicada wings are striveled up or damaged.
	Learn about the Massospora cicadina fungus they share.
	Look for cicadas with blue, white or other colored eyes.
	Look for Mosaic pigment disorders.

Why do cicadas:

Why do they stay underground for 17-years? The prevailing research suggests they’ve evolved a long, 17-year lifecycle to avoid predators that can sync up with their lifecycle & emergence. Why are there so many?! Research suggests that their huge numbers allow them to overwhelm predators, so enough of them will live on to breed and perpetuate the brood.

Should you plant?

If you’re planting trees, wait until July. If your yard doesn’t get cicadas by the first week of June, it’s probably safe to plant in June. It’s the egg-laying that does damage. Talk to an arborist or tree expert if you’re actually concerned. I can’t answer your questions.