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Pest Control Services Nationwide Pest Control Services Nationwide Cicadas are large stocky insects in the order Hemiptera best known for their loud summertime chorus and, occasionally, for the dramatic mass emergences of periodical broods that occur every 13 or 17 years across the eastern United States. Adults are typically 1 to 2 inches long with broad transparent wings held tent-like over the body, large widely-spaced compound eyes, and short bristle antennae. The sustained mechanical buzzing sound of a male cicada chorus is one of the most recognizable summer sounds across most of the country.
Two distinct groups produce the cicadas homeowners encounter. Annual cicadas (often called dog-day cicadas) emerge in modest numbers every summer across most of the United States, with adult activity from late June through September. Annual species are largely a noise-and-aesthetic phenomenon; populations stay below the densities that produce significant tree damage. Periodical broods (only in the eastern United States) emerge in synchronized cohorts every 13 or 17 years, with thousands to hundreds of thousands of adults per acre during emergence years and notable tree damage to young plantings.
Most cicada concerns from homeowners run through three channels. First, the noise: male chorusing reaches 90 to 100 decibels at close range during peak periodical emergences and is loud enough to interrupt outdoor conversations and phone calls. Second, the volume of dead bodies after the brief 4 to 6 week adult window ends. Third, tree damage from egg-laying: females slice slits into pencil-thin twigs to deposit eggs, and affected branches wilt and turn brown a few weeks later, producing the visible flagging that periodical brood years cause on young ornamental and fruit trees.
What separates an ordinary cicada summer from a memorable one:
Periodical brood densities can reach 1.5 million cicadas per acre in concentrated emergence zones. Adult periodical cicadas live 4 to 6 weeks; nymphal stages last 13 or 17 years underground (the longest insect life cycles known). Male chorus loudness peaks at 90 to 100 decibels at close range, comparable to a lawnmower or chainsaw. The species pose no health risk to humans or pets; all impact is environmental and aesthetic.
Three checks separate cicadas from large grasshoppers, katydids, and other big summer insects. The body shape and wide-set eyes are the strongest field marks.
Cicadas are notably large insects, typically 1 to 2 inches long with a broad chunky body that is much heavier than grasshoppers or large flies. The combined size and stocky build give cicadas their distinctive silhouette and the loud impact noise when one crashes into a window or wall.
Cicadas hold their large transparent wings tent-like (roof-like) over the back at rest, with the wings extending well beyond the body. The wings are clear with a network of veins visible against light backgrounds, distinct from the opaque wings of grasshoppers and the smaller wings of beetles.
Cicadas have large compound eyes mounted at the outside corners of the head, well separated from each other. Annual species typically have black or dark eyes; periodical species (the 13 and 17 year broods) have distinctive bright red eyes that are diagnostic for periodical brood years.
Cicadas announce themselves through sound and through the highly visible exoskeletons left behind by emerging nymphs. The pattern is hard to mistake during the active season.
How Cicada Activity Builds
Cicadas do not bite, do not sting, and do not transmit disease. They do not damage building structure, do not infest food, and do not reproduce indoors. Adult cicadas in close contact with humans are essentially harmless beyond the surprise of the size and the mechanical buzzing sound they sometimes produce when handled. Pets that eat cicadas typically experience no toxic effects beyond mild gastric upset from large meals; cicadas are a substantial natural food source for many wild animals during emergence years.
The real impact is on young ornamental and fruit trees during periodical brood years. Females cut slits into pencil-thin (about pencil diameter) twigs and deposit eggs in rows along the slit. The cumulative damage from heavy oviposition can sever or weaken the affected branch tips, which then wilt and turn brown over the following weeks. Mature established trees handle the damage with no lasting impact (and in some cases benefit from natural pruning); young trees with limited canopy and saplings can suffer significant setback or branch loss. Annual cicadas produce essentially no tree damage because population densities never reach the levels that cause meaningful flagging.
Effective cicada management for residential properties is concentrated on tree protection during periodical brood years and noise tolerance during all summers. Mature established trees require no protection. Newly planted ornamental and fruit trees in a brood year benefit from temporary fine mesh netting (1/4-inch or smaller mesh) wrapped over the canopy during the 4 to 6 week adult window. Pesticide treatment is not generally appropriate for cicadas; the species is short-lived, harmless to humans, ecologically beneficial, and not effectively controlled by typical exterior treatments anyway.
Six features confirm a cicada. The combination of stocky body, wide-set compound eyes, and broad transparent tent-like wings is unique among large summer insects.
Notably broad and chunky compared to other large insects, with thorax visibly thicker than abdomen. The build supports the large wings and powerful sound-producing musculature in males.
Two pairs of large transparent wings with visible vein network, held tent-like over the back at rest. Flight is powerful but not maneuverable; cicadas often crash into windows.
Large compound eyes at the outside corners of the head. Annual species have black or dark eyes; periodical broods have diagnostic bright red eyes.
Short bristle-like antennae, much shorter than the body, set between the compound eyes. Confirms the insect is a cicada, not a katydid or grasshopper (both have long antennae).
Paired sound-producing organs at the base of the abdomen, males only. Corrugated membranes snap back and forth to produce the chorusing sound, amplified by a hollow body cavity beneath.
Three pairs of stout legs grip tree bark. A needle-like rostrum pierces bark or roots to extract xylem sap. Cannot penetrate human skin; cicadas do not bite people.
Match your situation to one of the four common patterns. Each scenario has a specific response.
Cicada urgency runs on two very different clocks. Annual cicadas (dog-day cicadas) emerge every summer in modest numbers and produce the iconic chorus. Periodical broods emerge in massive synchronized hatches every 13 or 17 years and damage young trees. The timeline below covers both.
Soil temperatures climb past 64 degrees at 8 inches deep. First half-inch exit holes appear in soil under host trees. For periodical broods, full emergence follows within 7 to 10 days of those first holes.
Adults blanket tree trunks, the chorus reaches 90 to 100 decibels at close range, and shed exoskeletons coat lawn surfaces. Egg-laying damage (flagging on pencil-thin twigs) starts appearing on susceptible young trees during this window.
Adults die off after 4 to 6 weeks and accumulate on the ground. Egg-laying damage becomes visible as wilted brown flags on twig tips. Mature trees recover with no help; young trees may need light pruning.
Annual cicadas produce the same modest emergence every summer indefinitely. Periodical broods feed on roots underground for 13 or 17 years before the next synchronized emergence. Damage in brood years can be heavy on young trees but is rarely fatal to mature ones.
Cicadas look dramatic but are mostly harmless to humans, structures, and mature plants. The only protection that actually matters is netting young trees during periodical emergence years; everything else is cleanup and patience.
Local pros consult on tree protection during periodical brood years, advise on the regional brood schedule, and confirm whether your property is in an active emergence zone for the year.
Cicada presence on a property is determined almost entirely by the host trees that support nymph development and the brood schedule that governs emergence years. Almost nothing about home features attracts or repels cicadas; the trees are the entire equation.
Different cicada types target different host trees and create different impacts. Annual dog-day cicadas (Neotibicen species) host on a wide range of deciduous trees and produce the modest summer chorus every year. Periodical broods (Magicicada species, with red eyes and the famous 13 and 17 year cycles) prefer oaks, maples, hickory, and similar mature deciduous canopy and produce the dramatic mass emergences. Knowing which type drives your activity tells you whether to protect young trees (brood years) or simply tolerate the noise (annual years).
Most affected properties have two or three of these conditions running at once during brood years. Start with brood schedule lookup (university extension brood maps document each emergence decades in advance) to know what year you're in. Then move to young tree inventory: any tree under 4 years old in a brood emergence year warrants 1/4 inch mesh netting during the 4 to 6 week adult window. Everything else is patience and cleanup.
Oak, maple, elm, beech, willow, and hickory are the primary host trees for nymph root-feeding and adult chorusing. Properties with these trees see the bulk of cicada activity during the active season.
Adult cicadas cling to tree trunks during chorusing and resting. Empty exoskeletons (cast skins) accumulate on trunk bark after emergence and remain visible for weeks.
Round emergence holes about 1/2 inch wide appear in soil under trees during emergence weeks. The holes are diagnostic for the period; new holes appear nightly during peak emergence.
Newly-planted trees with limited canopy are most vulnerable to flagging damage from female egg-laying during periodical brood emergence years. Established trees handle the damage with minimal impact.
Females cut egg-laying slits in pencil-diameter twigs at the outer canopy. Affected twig tips wilt and brown 2 to 4 weeks after oviposition; this is the visible flagging that brood years cause.
Dead bodies accumulate on walkways and patios under occupied trees during the end of each adult window. Cleanup is straightforward but volume-dependent during peak years.
Cicada life cycles are unusually long, with most of the cycle spent underground. Annual species and periodical broods follow the same general pattern at different time scales.
6 to 10 weeks
Females deposit 20 to 30 eggs in rows along slits cut into pencil-thin twigs. Eggs hatch in late summer; tiny first-instar nymphs drop to the ground and burrow into soil to find tree roots.
2 to 5 years (annual) or 13 to 17 years (periodical)
Nymphs feed on tree root xylem sap underground throughout development. Annual species develop in 2 to 5 years with overlapping cohorts producing some adults every year. Periodical broods develop synchronously over exactly 13 or 17 years and emerge as a single cohort.
Hours overnight
Mature nymphs tunnel to the soil surface, emerge through round holes about 1/2 inch wide, climb to nearby vertical surfaces (tree trunks, fence posts, shrubs), molt one final time, and emerge as winged adults. The cast skins (exoskeletons) cling to the climbing surface for weeks afterward.
4 to 6 weeks
Adults feed lightly on tree sap, males chorus to attract mates, and females cut egg-laying slits in pencil-thin twigs after mating. Adults die at the end of the brief adult window, completing the multi-year cycle.
Annual cicadas produce overlapping cohorts and a small chorus every summer. Periodical broods produce dramatic synchronized emergences once every 13 or 17 years, with several different broods active across the eastern United States on different schedules. State extension services maintain brood maps and emergence forecasts.
Honest read on the cicada options. Tree protection during brood years and noise tolerance during all summers are the only practical levers. Spraying and bug zappers are reliably wasted effort.
Wrap newly-planted ornamental and fruit trees with 1/4-inch or smaller mesh netting during the 4 to 6 week adult window Mechanical exclusion prevents egg-laying without chemicals Cost is modest and netting can be reused across multiple brood years for trees still developing White noise machines, fans, and HVAC systems mask cicada chorus in occupied rooms Closed windows during peak chorus hours reduce indoor sound levels significantly Outdoor work shifted to early morning or evening avoids peak loudness windows Sweep accumulated bodies into mulched areas around trees; bodies decompose quickly and feed soil nutrition Hose hard surfaces every few days during peak cleanup periods Pet management to discourage volume eating of bodies prevents mild gastric upset 
Adults die within 4 to 6 weeks regardless of treatment; spray adds no real reduction Population density is too high for residential spraying to make a dent in chorus or egg-laying Chemical exposure to beneficial insects, birds, and pollinators with little practical benefit Kill thousands of cicadas but make no detectable reduction in the chorus or population Also kill beneficial insects, birds, and other wildlife at high rates Outsized energy use and noise without practical benefit Outdoor speakers, ultrasonic devices, and other sound deterrents do not reduce male chorusing behavior Cicadas are largely indifferent to non-cicada sound; they are responding to other cicadas, not to environmental noise Indoor white noise and sound-masking handle perceived loudness more effectively than any outdoor deterrent Six steps, sorted by effort. Most are about tree protection during brood years and noise tolerance during all summers.
Wrap newly-planted ornamental and fruit trees with 1/4-inch or smaller mesh netting during the 4 to 6 week adult window. Mechanical exclusion prevents flagging damage without chemicals.
Close windows and run HVAC during peak afternoon chorus hours to reduce indoor sound levels. Combined with white noise indoors, makes the season much more livable.
When possible, plan ornamental and fruit tree plantings outside predicted brood emergence years. State extension services maintain emergence schedules decades in advance.
Sweep accumulated bodies into mulched tree beds every few days during peak cleanup periods. Bodies decompose quickly and feed soil nutrition.
After brood emergence ends, lightly prune severely flagged tips on young trees to shape regrowth. Avoid heavy pruning; affected trees usually recover within a season.
Periodical broods follow strict 13 or 17 year schedules with documented geographic ranges. Knowing which broods affect your area lets you plan tree plantings and protection well in advance.
Cicada activity is concentrated in summer with periodical broods producing additional emergences during specific years. The rest of the year, cicadas are dormant underground.
Periodical brood years: late spring (late May into June) emergence starts in the southern parts of brood ranges. Annual cicadas are still developing underground and produce no surface activity.
Peak season. Annual cicada chorus runs late June through August across most of the United States. Periodical brood years see peak activity in June and July with 4 to 6 weeks of intense chorus, egg-laying, and visible adults.
Annual cicada activity tapers through September with first cool nights. Adult cicadas die naturally; eggs deposited in pencil-thin twigs hatch in late summer with tiny nymphs dropping to soil to begin the multi-year underground development.
No surface activity. Nymphs continue underground development on tree root sap, with development progressing through cold weather. The next year's annual cicadas continue maturing; the next periodical brood progresses toward its scheduled emergence year.
Four steps from arrival to a brood-year tree protection plan. Initial visit runs 45 to 75 minutes. Most of the value is in the brood schedule lookup and the mesh netting plan for any tree under 4 years old.
Tree protection beats spraying every time. Cicadas are short-lived, beneficial, and not meaningfully reduced by pesticides. Mesh netting on young trees during brood years is the only intervention with real leverage.
Confirm whether the property is in an active periodical brood emergence year and identify newly-planted ornamental or fruit trees that may need protection. Discuss prior years' cicada experience on the property.
For brood years, recommend mesh netting (1/4-inch or smaller) for newly-planted trees during the 4 to 6 week adult window. Coordinate netting installation with arborist if tree size warrants professional placement.
Discuss indoor sound-masking strategies, window-closing schedules, and outdoor work timing during peak chorus hours. Address noise concerns realistically rather than promising elimination.
Document brood schedule for property location for future tree planting decisions and emergence year preparation. Periodical brood emergences are multi-decade events; planning accordingly saves substantial future work.
Real stories from households who connected with pros to protect young trees during periodical brood emergences and manage the noise during peak chorus seasons.
"No pressure, just options."
I appreciated being given eco-friendly options without being pushed. The technician explained tradeoffs honestly and let me decide based on my priorities. They were transparent about what each approach involves. The no-pressure approach and honest information helped me make a confident decision.
"No pressure, just options."
I appreciated being given eco-friendly options without being pushed. The technician explained tradeoffs honestly and let me decide based on my priorities. They were transparent about what each approach involves. The no-pressure approach and honest information helped me make a confident decision.
"The inspection caught what we missed."
I didn't realize how much damage raccoons can cause once they get inside. The wildlife specialist explained what areas they inspect first and why raccoon issues are handled more carefully than regular pests. They showed me the damage and explained removal and exclusion strategies. Understanding the potential for damage made me glad I called professionals.
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Ants kept returning no matter what we did. The tech treated the trail areas and explained how to handle food storage and moisture so the ants don't keep coming back. It's been months and we haven't seen them again. I appreciated that it wasn't just a one-and-done spray.
"Clear expectations and a real plan."
I was overwhelmed and didn't know what was realistic to fix quickly. The inspector explained what results to expect and how long it typically takes depending on the ant species. They treated the right places and gave simple prevention tips. Everything felt structured and easy to follow.
"They found the entry points fast."
Ants were showing up in the kitchen and we couldn't figure out where they were coming from. The tech tracked the activity and pointed out two entry points we never would've noticed. After treating and sealing those areas, the ants disappeared. It was quick and surprisingly thorough.
"No pressure, just helpful info."
I mainly wanted to understand what was happening before committing to anything. The inspector walked me through the likely cause and the differences between treatment approaches. They answered questions without rushing me. The plan we chose worked and the ants were gone within days.
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I kept trying different products and nothing was sticking. The tech explained why some solutions don't work for certain ant problems and focused the treatment where it would actually matter. They also gave prevention tips that were easy to implement. The difference was obvious within the first week.
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"They fixed what was actually causing it."
Ants kept showing up in the same spot. The pro explained that the visible ants weren't the real issue and focused the treatment on where they were coming from. They identified the entry path and treated it properly. The problem stopped and hasn't returned.
"It felt like a real inspection, not a quick spray."
The tech spent time figuring out where the ants were entering instead of just spraying around. They walked me through the likely reasons and what to watch for over time. After treatment, ant activity dropped fast and stayed low. The detailed approach gave me confidence.
"Small changes made a big difference."
We didn't realize how much our routine was attracting ants. The inspector explained simple prevention steps and treated the areas where activity was highest. Once those changes were in place, we stopped seeing ants inside. It was a practical approach that actually worked.
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I'd been doing random treatments without understanding what I was dealing with. The tech explained how ants behave and why certain approaches work better. They treated strategically instead of just spraying. It made the whole thing feel manageable.
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We kept wiping down counters and the ants would be back the next day. The pro identified the entry areas and explained the treatment plan clearly. Once they treated and targeted the colony, the ants disappeared quickly. It felt like we finally got ahead of it.
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The tech explained what treatment was necessary and what wasn't. They focused on the entry points and corrected the conditions that were attracting ants. The work felt honest and effective. I liked having clear expectations and seeing results quickly.
"It wasn't just 'spray and go.'"
I appreciated the step-by-step explanation and the focus on prevention. The inspector treated the areas where ants were getting in and helped me understand what to change at home. The ants stopped showing up and it's been consistent. The approach felt thoughtful and sustainable.
"It finally made sense why they kept coming back."
I had ants showing up every few months and never understood why. The tech explained how outdoor nests and weather changes affect indoor activity. They treated the perimeter and entry points instead of just the inside. Since then, we haven't had recurring issues.
"Targeted instead of overdone."
I was worried about over-treating the house. The pro focused on specific problem areas and explained why blanket spraying wasn't necessary. The ants stopped appearing, and we didn't feel like chemicals were used unnecessarily. That balance mattered to us.
"Clear answers without jargon."
The tech explained everything in plain language and answered questions without rushing. They identified the type of ant we had and adjusted the treatment accordingly. Knowing why the approach worked gave me confidence it would last.
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I liked that the tech talked through how to keep ants from returning after the treatment. They addressed moisture issues and entry points around the home. The treatment worked, and the prevention tips helped us stay ahead of future problems.
"No guessing, just a plan."
I was tired of guessing what would work. The inspector explained the cause of the issue and outlined a clear plan of action. After treatment, the ants disappeared and we haven't had to revisit the problem. It felt efficient and well thought out.
"They explained what to expect upfront."
The tech set expectations about timing and results before starting. They explained that some activity might happen initially and why. Everything played out exactly as described, and the ants were gone shortly after. That transparency made a big difference.
"Helpful without being overwhelming."
I didn't realize there were different types of ants or that it mattered. The inspector walked me through what they were seeing and explained how ant behavior affects treatment. It made it easier to ask the right questions and understand the solution.
"Saved me a lot of guessing."
I was close to trying random sprays for the ants. Talking with the tech helped me understand what was realistic to address and what usually doesn't work. The targeted treatment solved the issue quickly and saved time and frustration.
"It felt tailored to our home."
The tech didn't just apply a standard treatment. He looked at where we were seeing activity and adjusted the approach to our layout and yard. The ants stopped showing up and we understood how to keep it that way.
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I appreciated how straightforward everything was. The pro explained the issue, treated the problem areas, and gave us a few simple steps to prevent future issues. The ants were gone and it didn't feel complicated.
"They explained how the weather played a role."
I didn't realize seasonal changes could affect ant activity so much. The tech explained how heat and rain push ants indoors and what to do about it. They treated the problem areas and gave tips to prevent future issues. The explanation helped everything click.
"It wasn't as complicated as I expected."
I assumed pest control would be disruptive or complicated. The technician explained the steps clearly and focused on targeted treatment. The ants stopped appearing quickly and the process was smoother than expected.
"They helped me understand the bigger picture."
Instead of just treating the ants I saw, the tech explained what was happening around the house that made it attractive to pests. Once those factors were addressed, the problem resolved quickly. It felt educational as well as effective.
"Clear communication from start to finish."
I appreciated how clearly everything was explained before treatment began. The inspector walked through the process and answered all my questions. The ants were gone shortly after and we felt confident about prevention going forward.
"They addressed what we were missing."
We kept focusing on cleaning, but the tech showed us where ants were actually entering. Once those points were treated and sealed, the issue resolved. It was reassuring to finally understand the root cause.
"A methodical approach that worked."
The pro explained how they identify ant trails and colonies before treating. They took a methodical approach instead of rushing through. The ants stopped appearing and the fix has held up well.
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Living in Phoenix, pests behave differently than other places. The tech explained how heat drives ants indoors and what treatments work best here. The solution was effective and tailored to our environment.
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I appreciated that the tech didn't rush. He inspected the problem areas carefully and explained what they were seeing. The treatment worked quickly and the ants haven't returned.
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The tech explained how the humidity here contributes to ant problems and why certain treatments work better in this climate. They focused on outdoor entry points and moisture-prone areas. The ants cleared up quickly and haven't come back.
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We'd dealt with recurring ants for years. The pro explained why flooding and moisture play such a big role here and adjusted the treatment accordingly. It's been months without seeing ants, which is a big win for us.
"They knew exactly what works in Arizona."
The tech explained how desert conditions affect ant behavior and which treatments are most effective here. They targeted the right areas and avoided unnecessary spraying. The ants disappeared quickly.
"Clear, calm, and professional."
I appreciated how calmly everything was explained. The inspector identified the ant problem, explained the treatment, and answered my questions without rushing. The solution worked and gave me peace of mind.
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The tech inspected the problem areas, explained the plan, and got to work quickly. The ants were gone within days and the process felt efficient without being rushed.
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I liked how simply everything was explained. The pro didn't overcomplicate things and focused on what mattered. The ants stopped appearing and we haven't needed follow-up treatments.
"They showed me what to watch for."
Beyond treating the ants, the tech explained what signs to watch for if activity starts again. That knowledge made me feel more in control. So far, everything has stayed clear.
Direct answers to what homeowners ask most about identification, brood schedules, tree protection, and what actually helps during cicada years.
Eye color is the single best field mark. Periodical broods (Magicicada species) have bright red compound eyes against a black body, visible without magnification. Annual cicadas (Tibicen, Neotibicen) have black or dark eyes that match their green, brown, or grayish bodies. Body color confirms: periodical cicadas show black with orange-red highlights on legs and wing veins; annual cicadas lack the high-contrast banding. Density also tells you. Annual cicadas appear in modest numbers each summer (a few dozen per acre). Periodical broods produce hundreds of thousands to over a million per acre, with empty exoskeletons coating tree trunks. State extension services maintain county-level brood maps that confirm whether your area is in an active brood year.
No, mature shade trees are essentially immune. Females cut slits in pencil-thin twigs (about 1/4 inch) to deposit eggs. The affected tip wilts and turns brown, which is the flagging brood years are known for. The damage affects only the smallest outer canopy branches, which mature oaks and maples can lose without impact. Many trees regrow more vigorously the following season. Underground nymphs feed slowly on root xylem sap at rates trees easily replace. Young trees in the first 3 to 5 years after planting are different. Limited canopy means flagging represents a higher share of total tips. Wrap valuable young ornamentals or fruit trees in 1/4-inch mesh netting during the 4 to 6 week adult window. Mature trees need no intervention.
No. Cicadas cannot bite (the rostrum is sized for tree bark), cannot sting, and do not transmit disease. Children can handle them safely. Pet considerations are mostly behavioral. Dogs and cats commonly eat cicadas during emergence years. Tough exoskeletons can produce vomiting or diarrhea when consumed in volume, and very large meals occasionally cause mild gastric obstruction. There is no chemical toxicity. Most pets show no symptoms beyond mild upset that resolves within 24 hours. Watch for persistent vomiting, lethargy, or choking and consult a vet if symptoms appear. Peak chorus reaches 90 to 100 dB at close range, loud but below hearing-damage levels for typical yard exposure. Brood years are worth experiencing rather than avoiding.
Brood schedules follow strict 13 or 17 year cycles and are documented decades in advance. The US Forest Service maintains an authoritative brood map by county. State university extension services publish state-specific brood maps and emergence forecasts. Citizen-science apps like Cicada Safari let homeowners report sightings in real time. Major recent broods: Brood X (Indiana, Ohio, Maryland; 17 year cycle; last 2021, next 2038); Brood XIX (Southeast and Midwest; 13 year cycle; last 2024, next 2037); Brood XIII (northern Illinois, Indiana; 17 year cycle; last 2024, next 2041). Search for cicada brood map combined with your state name to find county-level resolution for your area. Plan young tree netting for predicted brood years.
Yes, for valuable young ornamentals and fruit trees during predicted brood years. Trees in the first 3 to 5 years after planting are most vulnerable because limited canopy means flagging hits a higher share of total tips. Japanese maples, flowering cherries, dogwoods, redbuds, and young apple, peach, or cherry trees all warrant protection. Use 1/4-inch or smaller mesh (bird netting works). Larger mesh lets females through. Wrap the entire canopy just before adult emergence (typically late May to early June in the East). Remove after the 4 to 6 week adult window ends. Mature shade trees do not need protection because flagging is minor relative to canopy size. Non-brood years do not require netting.
Sound-masking is the primary lever. Closed windows during peak afternoon hours dramatically reduce indoor levels. HVAC, fans, and white-noise machines mask remaining sound effectively. Sound-canceling headphones help during outdoor work. Shift outdoor activity earlier or later. Peak chorus runs mid-morning to late afternoon on warm sunny days. Cool overcast or rainy days are noticeably quieter. Move phone calls and video meetings indoors with windows closed. Outdoor noise-makers, ultrasonic devices, and spraying do not reduce chorus because cicadas respond to other cicadas, not environmental noise, and regional populations are too large for local reduction to matter. Peak periodical chorus lasts 4 to 6 weeks. Sound returns to ambient within days of the adult window ending.
A lot. Brood emergences deliver one of the largest protein pulses in eastern ecosystems. Birds (bluebirds, robins, jays, woodpeckers, hawks), mammals (squirrels, raccoons, opossums, foxes), reptiles, and amphibians all feed heavily during emergence weeks. Many bird species show increased fledging success in brood years. Decomposing adults contribute substantial nitrogen and phosphorus to soil. Underground nymphs aerate soil during their multi-year tunneling. The light natural pruning from egg-laying can stimulate vigorous regrowth on mature trees. State extension services recommend tolerance and protection of valuable young trees rather than population control. Cicadas are net positive ecologically. Brood years are worth experiencing rather than fighting.
Get a brood-year plan that protects young trees and handles peak chorus practically. Local pros confirm the schedule, recommend tree protection, and consult on noise management.
