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No periodical-cicada brood is listed as expected to emerge in 2026 on the USDA Forest Service brood map. That forecast does not rule out annual cicadas, isolated off-schedule periodical cicadas, or local sightings. For pet owners, the key point is that cicadas are generally not harmful to pets, though eating many can cause temporary stomach upset or vomiting.
What cicadas are appearing in the South in 2026?
The USDA Forest Service periodical-cicada brood map lists no brood expected to emerge in 2026. It is a forecast reference based on county data compiled for a 2011 publication, not a live count of sightings. Because “the South” covers a broad area, check county extension or state natural-resources updates for local information.
Hearing cicadas or seeing a few insects does not establish that a 17-year brood has emerged. Annual cicadas appear every year, and individual periodical cicadas may emerge off schedule.
Annual cicadas versus periodical cicadas
The distinction is mainly about life cycle and whether the insects are part of a synchronized brood. The U.S. Environmental Protection Agency (EPA) describes periodical adults as having black bodies, red-brown eyes, and wings with orange veins.
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| Feature | Annual cicadas | Periodical cicadas |
|---|---|---|
| Life cycle | Appear every year | Come out in synchronized broods on 13- or 17-year cycles |
| What a sighting means | Ordinary seasonal cicada activity | A brood emergence should be checked against expected brood and county information |
| Adult appearance | Varies by species | EPA describes black bodies, red-brown eyes, and orange-veined wings |
Periodical cicadas are about 1–1.5 inches long, with a wingspan about twice that length, according to the EPA. Appearance can help with identification, but a cicada sighting alone does not confirm a brood.
What should I do if I see periodical-looking cicadas?
- Note the date and location, including the county.
- Compare the location with expected brood information from the Forest Service map.
- For a local assessment, consult county extension or state natural-resources updates.
- Do not describe isolated sightings as a new or widespread brood without confirmation.
Are cicadas dangerous to dogs and cats?
The EPA says cicadas are not harmful to pets. Under its general guidance, eating a small number is not a cause for concern. Eating many may temporarily upset a pet’s stomach or cause vomiting.
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- Powerful Plant-Based Pest Control – Formulated with extra-concentrated peppermint oil, this spray is a proven deterrent for spiders, ants, roaches, and more.
- Effective Indoor & Outdoor Use – Designed for versatile application on baseboards, entryways, patios, and other areas. Helps repel insects from kitchens, bathrooms, living spaces, and more—without staining surfaces.
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If your pet has symptoms, ate a large number, or has health concerns that make the situation uncertain, contact your veterinarian for case-specific guidance. This general information is not a diagnosis for an individual animal.
Why you should not spray cicadas by default
The EPA says pesticides are generally ineffective for keeping cicadas away because many more insects can move into treated areas. The University of Illinois Extension also notes that pesticide applications can harm other organisms, including animals that eat cicadas. Avoid routine spraying for general cicada presence, especially where pets or wildlife may encounter treated insects.
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What Southern pet owners need to know
There is no periodical brood listed as expected in 2026 on the Forest Service map, but that does not mean no cicadas will be seen. Annual cicadas appear every year, and the map is not a live sightings report. Keep the possibility of local variation in mind, and contact your veterinarian if your pet eats many cicadas or develops symptoms.
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Are 17-year cicadas appearing across the South in 2026?
The USDA Forest Service map lists no periodical brood expected in 2026. That forecast does not rule out annual cicadas, isolated stragglers, or local sightings.
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What should I do if my dog or cat eats a cicada?
The EPA says eating a small number is not a cause for concern under its general guidance. If your pet eats many, develops symptoms, or has relevant health concerns, contact your veterinarian.
How can I tell annual and periodical cicadas apart?
Annual cicadas appear every year; periodical cicadas emerge in synchronized 13- or 17-year broods. The EPA describes periodical adults as having black bodies, red-brown eyes, and orange-veined wings, but a sighting alone does not confirm a brood.
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- Powerful Plant-Based Pest Control – Formulated with extra-concentrated peppermint oil and geraniol, this spray quicky repels and kills spiders, ants, roaches, and more on contact using a proven natural formula.
- Effective Indoor & Outdoor Use – Designed for versatile application on baseboards, entryways, patios, and other areas. Helps repel insects from kitchens, bathrooms, living spaces, and more—without staining surfaces.
- Fresh Minty Scent With Long-Lasting Effect – Infused with pure peppermint oil, this formula leaves a crisp, clean aroma that lingers without overwhelming. Free from synthetic fragrances and common allergens, making it a gentle option for scent-sensitive households.
- Long-Lasting Gallon Value Size For Whole-Home Coverage – The 128 oz bottle provides extended coverage for indoor and outdoor use. Easily refill smaller spray bottles for reliable, cost-effective pest protection around your home, garage, or garden.
Does the brood map show every cicada sighting?
No. The Forest Service map shows expected brood and county distribution based on compiled source data; it is not a live public sightings counter.
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