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Cicada Killer Wasps Β· Lawns & Gardens Β· New Jersey

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Huge wasps buzzing low over the lawn in July, with little piles of dirt everywhere? Those are almost certainly cicada killers β€” New Jersey's largest wasp. They look terrifying, but they're far less dangerous than yellow jackets. Here's how to identify them, how worried to be, and how to get them out of your lawn, garden beds or walkway.

4.9 stars on Google β€’ NJ License 90568B β€’ 15+ years β€’ Same-day visits often available β€’ Hablamos espaΓ±ol

Text a photo of the wasp or the hole to 973-510-2585 β€” we'll tell you whether it's a cicada killer or yellow jackets.

How do you get rid of cicada killers in NJ?

Cicada killer control in NJ starts with treating the active burrows during their summer season and then making the soil less attractive β€” thickening the lawn, watering bare dry spots and covering sandy areas with mulch. Cicada killers are large but rarely sting; males can't sting at all. If they're nesting along a walkway, play area or pool, Silver Bullet Pest Control can treat the burrows. Call or text 973-510-2585.

What is a cicada killer?

The eastern cicada killer is a solitary, ground-nesting wasp β€” roughly 1Β½ to 2 inches long, black or rusty-red with yellow markings on the abdomen and amber wings. It's the biggest wasp most people in New Jersey will ever see.

Its name says what it does: the female hunts the large cicadas that buzz in trees in mid and late summer, stings and paralyzes one, and carries it back to an underground burrow. She lays an egg on it, and the larva feeds on the cicada underground through fall and winter. A new generation comes out the next summer.

Unlike yellow jackets, cicada killers don't live in a colony and don't defend a shared nest. Each female digs and stocks her own burrow. But many females often nest in the same sunny patch, so one yard can end up with dozens of holes β€” which is what makes people call us.

Cicada killer vs. yellow jacket vs. ground bee

All three nest in the ground, but they behave very differently β€” and that changes what you should do:

Cicada killerYellow jacket (ground nest)Ground (mining) bees
SizeVery large, 1½–2 inchesAbout Β½ inchSmall, about Β½ inch or less
Looks likeBlack/rust with yellow bands, amber wingsBright yellow and black, shinyFuzzy, dull brown or black
Nest entranceSingle hole the size of a finger, with a U-shaped pile of loose soilOne hole, often hidden; steady stream of wasps in and outMany small holes with little volcano-shaped mounds
WhenMid to late summerSpring through fall, worst in late summerEarly spring
Colony?No β€” each female has her own burrowYes β€” hundreds to thousands per nestNo, though many nest close together
AggressionLow; males bluff, females rarely stingHigh β€” will sting repeatedly to defend the nestVery low

Yellow jackets in the ground are a real stinging risk β€” see yellow jacket nests in the ground. For spring holes in the lawn, see ground bee removal.

Are cicada killers dangerous? Do they sting?

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Males can't sting

The big wasps that dive at you and hover near your face are males guarding territory. They have no stinger β€” it's all bluff.

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Females rarely sting

Females can sting, but they're busy hunting and digging. Stings usually happen only when one is stepped on barefoot or grabbed.

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Allergies still matter

Anyone with a known sting allergy should stay clear of the nesting area. Trouble breathing or swelling of the face after a sting is a 911 emergency.

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Pets and kids

The bigger risk is kids or dogs stepping on a wasp or getting startled. Keep them off the nesting patch until it's treated.

The other real problem is damage: dozens of burrows can loosen soil under pavers, patios and walkways, and kick dirt over the lawn.

When do cicada killers appear in New Jersey?

Time of yearWhat's happening
Fall through springLarvae are underground in the burrows, out of sight. Nothing to treat.
Early to mid JulyAdults emerge. Males show up first and patrol the area.
July through AugustPeak activity β€” females dig burrows and hunt cicadas. Dirt piles appear daily.
Late August into SeptemberActivity fades and adults die off. The next generation is already underground.

Timing shifts a little with the weather each year. The best time to act is as soon as you see the first fresh holes.

Where cicada killers nest

Female cicada killers want sunny, well-drained, loose or sandy soil with little grass cover. In North Jersey yards that usually means:

  • Thin or bare patches of lawn, especially on slopes and in full sun.
  • Garden and flower beds with exposed soil.
  • Sand under pavers, along the edges of walkways, driveways and patios.
  • Sandboxes, playground areas and volleyball courts.
  • Soil along foundations and retaining walls.
  • Baseball fields, golf course bunkers and park edges in towns.

They come back to the same spots year after year if the soil stays the same, because the next generation emerges right where it was raised. Big trees with lots of cicadas nearby make an area even more attractive.

How to get rid of cicada killers yourself

1

Confirm what it is

Make sure it's a cicada killer and not a yellow jacket nest. Yellow jackets in the ground should be left to a professional.

2

Water the area

Cicada killers prefer dry soil. Deep, regular watering of the nesting patch during July makes it much less attractive.

3

Cover bare soil

Mulch, ground cover or a few inches of thick topsoil and seed over bare patches. Cover sandboxes when not in use.

4

Use labeled products carefully

If you treat burrows yourself, use a product labeled for ground-nesting wasps, treat at dusk when females are in their burrows, and follow the label exactly.

Don't pour gasoline, bleach or boiling water into the holes. It's dangerous, harms the soil and lawn, and often misses the burrow anyway.

Professional cicada killer control

A handful of cicada killers in a back corner can usually be left alone β€” they'll be gone by September. It's worth calling a professional when:

  • They're nesting where people walk β€” walkways, pool decks, patios, play areas or the front steps.
  • There are dozens of burrows and the lawn or pavers are being undermined.
  • Someone in the house has a sting allergy, or kids and pets use the area every day.
  • You're not sure whether it's cicada killers or yellow jackets.

A licensed technician identifies the insect, finds the active burrows and treats them directly, following the product label. We also look for other stinging insects on the property β€” yellow jackets, paper wasps and hornets are active at the same time of year β€” and tell you how to make the soil less attractive next summer.

Honey bees are different: we work with a local beekeeper so honey bee swarms and colonies are relocated, not exterminated. See bee and wasp removal in NJ.

Preventing cicada killers next summer

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Thicken the lawn

Overseed thin spots in fall. A dense lawn leaves no bare soil to dig in.

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Keep soil moist

Regular watering in early July discourages females from choosing your yard.

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Mulch bare beds

A few inches of mulch or ground cover over exposed garden soil.

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Fix paver joints

Refill and seal sand between pavers so it isn't loose and easy to dig.

Questions about other wasps? See wasp, hornet and yellow jacket questions.

Get a Free Cicada Killer Quote

Tell us where the holes are and how many you see, and text a photo if you can. We'll confirm what it is and give you a free quote.

Why people call us about cicada killers

  • Giant wasps diving at the kids in the yard
  • Dozens of holes along the walkway or patio
  • Sand under pavers being dug out
  • Not sure if it's yellow jackets
  • A sting allergy in the family
πŸ“ž Call 973-510-2585

Request Service

πŸ”’ Your info stays private Β· Hablamos espaΓ±ol.

What's bugging you? - Step 1 of 3

Cicada Killer Questions

Are cicada killers dangerous to people?

Not very. Males have no stinger and only bluff, and females rarely sting unless they're stepped on or handled. They're much less dangerous than yellow jackets, but anyone with a sting allergy should stay away from the nesting area.

How do I get rid of cicada killer wasps?

Treat the active burrows during July and August, then make the area less attractive by watering dry soil, overseeding thin lawn and mulching bare beds. For nests along walkways, pools or play areas, a professional can treat the burrows directly.

Do cicada killers sting?

Only females can sting, and they rarely do. Most stings happen when someone steps on one barefoot or grabs it. The large wasps that fly at you aggressively are usually males, which cannot sting at all.

Why do cicada killers come back every year?

The next generation develops underground in the same burrows and emerges there the following summer. If the soil stays sunny, dry and loose, new females will dig in the same spot again.

What time of year are cicada killers active in NJ?

They usually emerge in early to mid July, peak in July and August, and die off by early September. For the rest of the year the larvae are underground.

Will cicada killers ruin my lawn?

They don't eat grass, but many burrows can kick up dirt, thin the turf and loosen soil under pavers and walkways. In a heavy year, the damage to sandy areas and paver joints can be noticeable.

Is it a cicada killer or a yellow jacket nest?

A cicada killer is about 1Β½ to 2 inches long and has its own single burrow with a U-shaped pile of dirt. Yellow jackets are small, bright yellow and stream in and out of one hole by the dozens. Text us a photo if you're not sure.

Should I kill cicada killers or leave them alone?

If they're in an out-of-the-way corner, leaving them alone is fine β€” they're gone by September. If they're nesting where kids, pets or guests walk, or someone has a sting allergy, it's reasonable to treat the burrows.

Does pouring water or gasoline in the holes work?

No. Gasoline and bleach are dangerous and damage the soil, and water poured in once won't reach the wasps. Regular watering of the area to keep soil moist is what helps, along with treating active burrows with a labeled product.

How fast can you come out for cicada killers?

Same-day visits are often available in Bergen, Passaic, Essex and Hudson counties. Call or text 973-510-2585 with a photo and we'll tell you when we can be there.

ΒΏLas avispas asesinas de cigarras son peligrosas?

Casi nunca. Los machos no tienen aguijΓ³n y las hembras rara vez pican. Si anidan cerca de donde juegan los niΓ±os, llΓ‘menos al 973-510-2585. Hablamos espaΓ±ol.

Cicada killer and wasp control near you

Based in Garfield, we handle ground-nesting wasps across Bergen, Passaic, Essex and Hudson counties.

Our service area

Union County

973-510-2585
  • Berkeley Heights
  • Clark
  • Cranford
  • Elizabeth
  • Fanwood
  • Garwood
  • Hillside
  • Kenilworth
  • Linden
  • Mountainside
  • New Providence
  • Plainfield
  • Rahway
  • Roselle
  • Roselle Park
  • Scotch Plains
  • Springfield
  • Summit
  • Union
  • Westfield

Morris County

973-510-2585
  • Boonton
  • Butler
  • Cedar Knolls
  • Chatham
  • Denville
  • Dover
  • East Hanover
  • Florham Park
  • Hanover
  • Kinnelon
  • Lincoln Park
  • Madison
  • Mendham
  • Montville
  • Morris Plains
  • Morristown
  • Mountain Lakes
  • Parsippany
  • Pequannock
  • Randolph
  • Riverdale
  • Rockaway
  • Roxbury
  • Whippany

Updated November 2026 by the Silver Bullet Pest Control team, Garfield, NJ β€’ NJ License 90568B

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