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Bay Nature magazineJuly-September 2012

The Cuckoo Wasp: A Gorgeous Parasite

by on July 01, 2012

cuckoo wasp
A cuckoo wasp (Chrysis sp.) on seacliff buckwheat near Santa Barbara.(Photo by Alice Abela)

A cuckoo wasp is one of those remarkable animals that appears for just a few seconds and makes you wonder what the heck you just saw. Fast-moving and no larger than a skinny housefly, these wasps stand out nonetheless: They glow an outrageous iridescent blue-green, as if illuminated from within.

Cuckoo wasps pack a lot of drama into their tiny bodies. Their color is part of the mystery. These wasps are parasites, and like their namesake cuckoo birds, they lay their eggs in the nests of other species (wasps or bees in this case). Since the cuckoo wasps depend on trickery and camouflage to fool their hosts, you might expect them to be drab. Scientists have not figured out whether the bright colors serve any function, and it wasn’t known until 2009 that the color is actually produced by light refracting through open spaces between six layers of cuticle in the wasps’ exoskeletons.

Cuckoo wasps favor warm Mediterranean climates, and California is a center of cuckoo wasp biodiversity in North America. They are most active in dry, open areas between May and August, with adults foraging on flower nectar as they follow favored routes multiple times a day searching for solitary wasps and bees to parasitize.

Each of the 166 cuckoo wasp species in California targets either a specific host or a specific nest structure. Many species target the nests of mud dauber wasps. One such species, Chrysis angolensis, initially traveled to the New World from Africa by parasitizing mud dauber wasps that nested on the wooden beams of sailing ships. Fortunately for the cuckoo wasps, their larvae’s hatching was well-timed to the sailing ships’ slow progress, and these insects are now established around the Bay Area and port cities in the northeastern United States.

Cuckoo wasps might duck their parental responsibilities, but it’s not exactly an easy living. Cuckoo wasps that parasitize ground-nesting bees and wasps must somehow slip their eggs into an underground burrow without being detected. They first find bees and wasps that are in the process of digging burrows and dragging paralyzed prey into their nests as food for their own young. Female cuckoo wasps then hide nearby to watch the burrow and either try to hitch a ride on the paralyzed prey as it’s being dragged into the burrow or else wait until the host flies off and then slip inside.

cuckoo wasp curling up

Cuckoo wasps can curl up like armadillos, a useful defense when they get caught invading another insect’s nest. (Photo by John Hallmen)

Despite their caution, cuckoo wasps are frequently caught in the act of sneaking in, but their oddly pitted exoskeletons protect them from the stings and bites of their hosts. The undersurface of the cuckoo wasp’s midsection is cupped so the wasp can tuck in its legs and curl into a tight ball (like a sowbug or armadillo) to protect its body. Host bees or wasps then have no other option but to grab the balled-up cuckoo wasp in their jaws and carry it outside the burrow to evict it. The unharmed cuckoo wasp simply turns around and tries to get into the burrow again.

Once the female cuckoo wasp succeeds in leaving its eggs in a burrow, the larvae have two survival strategies. Some larvae eat both the host’s larvae and its food items right away; others wait until the host larva eats its food supply and reaches full size, and then they eat the host larva. The first option requires the cuckoo wasp to eat several different kinds of food before it can pupate, while the second strategy lets the host larva do all the work, converting food stores into one juicy meal.

Recent studies suggest that while these brilliantly colored wasps are easily seen and recognized outside the burrow, they are “invisible” in the darkness of the burrow because they camouflage themselves by simulating the smell of their hosts.

So what’s the point of all that color? It may have no function at all. The scientists who reported on the source of the color speculate that the spacing between exoskeleton layers appears to protect the wasp from bites and stings or serve as a thermal buffer from the heat of the ground. And the resulting color may be just an incidental tip-off that a tiny bit of insect intrigue is buzzing by us on the trail.

Naturalist and writer David LukasWriter and naturalist David Lukas is author of the bird guides Bay Area Birds and Sierra Birds. David grew up on the Oregon coast and began studying natural history at the age of five.  Learn about David Lukas’ guidebooks and tours on his website, LukasGuides.com, or connect with him on his Facebook page (NoseaboutNature).

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Debbie DeLoatch on April 15th, 2013 at 11:27 am

I saw two of these cuckoo wasps in my back yard in northeastern NC. I was pulling dry twigs from snapdragon flowers planted in an old mule trough. I would like to know if they sting like a regular wasp.

David Lukas on April 15th, 2013 at 5:57 pm

Great question! It seems that these wasps have stingers but the stingers are greatly reduced so the answer is that they can sting but not with the impact of a regular wasp. More people report being bitten by cuckoo wasps than stung by them.

Bob on June 21st, 2013 at 4:39 pm

Very small iridescent green wasp today late afternoon in Athens, Pa., USA.
Must be the Cuckoo Wasp.

Jean S on June 23rd, 2013 at 7:40 pm

I just had about 5 of these in the lockbox for my swimming pool cover. They were there for about a week.

Jean S on June 23rd, 2013 at 7:40 pm

OH… sorry… I am in Hillsboro, Oregon

kim h on June 28th, 2013 at 3:05 pm

I just killed one from my kitchen cabinet… I didnt know what it was!

Taryn on June 29th, 2013 at 2:28 pm

Saw one of these guys on my floral wreath on my front door yesterday afternoon. I had no idea what it was. I’m in Vancouver, WA.

christina on July 3rd, 2013 at 5:41 pm

I just had my son come running to me sayin “mom look at this bug!” I was like wtf is that and on closer inspection saw that it had a stinger lol luckily neither of us was stung and my son man handled it for a good 5 min before he gave it to me so they must not be as ill tempered as their relatives. Really pretty little thing tho glad I got to see one. I released it on my lillies so maybe it’ll find a nice juicy wasp nest somewhere near by an eat em lol.

christina on July 3rd, 2013 at 5:41 pm

Oh yea forgot to say I’m in Portland oregon

Noelle on July 17th, 2013 at 8:18 am

I’m outside of Richmond, Va. I just found, and killed, one along with 2 yellowjackets, in my front window. There’s a yellowjackets next in the stoop under my front door that no one has been able to fully take care of… I wonder if she was laying eggs in their nest? very very beautiful blue!

andrea on August 27th, 2013 at 7:21 am

Just had one in my bedroom, my cat was trying to get a hold of it. I seen it was curled up and thought she had killed it till I seen it climbing up wall and I killed it. I didn’t know what it was till now. Edison, New Jersey

Erin on August 29th, 2013 at 6:50 am

Found one in the house last week. Caught it and let it go outside. I’m near Columbus, Ohio.

David Lukas on August 30th, 2013 at 9:31 am

I’ve observed cuckoo wasps in many different places in my life, but I’m really enjoying everyone’s comments because I had no idea that these lovely little insects were so widespread. They definitely catch your eye don’t they!

Kaylyn Edwards on August 31st, 2013 at 10:06 am

These wasps have been hanging around my house for a month or so now. I see them all the time. The first time I tried to kill one I was sitting at the table and hit it with a rolled up magazine. It curled up into a ball and I thought it was dead. A few minutes later it popped up and started crawling around! Kinda scared me so I smashed it with my coffee cup, that’s when I noticed the stinger!

Kaylyn Edwards on August 31st, 2013 at 10:06 am

PS — I’m in Kimbolton (southeastern) Ohio.

Shannon on September 6th, 2013 at 7:23 am

My son found a dead one in the window sill and thought it was a fly. It looked too pretty to be a plain old house fly! I’ve never seen one until now so, I had to do some research. With help from Facebook friends, finally figured it out. -in Green Bay, WI

Dr Anisetti Thammayya on September 19th, 2013 at 6:51 am

I was inquisitive when I saw a blue green wasp doing some thing on the mud nest of a yellow wasp. It was touching its hind portion on the mud nest when the builder of the nest yellow wasp flew there but driven away by the invader wasp. Now I understand that it is a cuckoo wasp which is parasitic. I photographed it with my camera. I saw this in our house in Kakinada, Andhra Pradesh, India. The insect is not common to this place. I thank David Lukas for his valuable note on the wasp which helped me to identify. We see wonders in our surroundings if we care to explore.

Vicky on October 17th, 2013 at 2:10 am

Seen one in Madrid, Spain this morning! but the poor guy was dead…took some photos of it.

Vicky on October 17th, 2013 at 2:15 am

By the way…why do so many people just kill these little guys? open the window and let them go..or capture them with a glass and throw them out. No need to be so mean to them! they are just living as you are.

David Lukas on October 17th, 2013 at 11:54 am

I can’t imagine killing one. Even if someone was afraid of insects I think they would be captivated by the incredible sparkling colors of these delightful little wasps!

Gretchen Gillfillan on March 26th, 2014 at 2:55 pm

Yesterday on an insect program, at Tilden, a kindergartener captured a Cuckoo Wasp. With our hand lens we could see its AMAZING colors. Incredible!!!!! to see your name, David, on this site.

Jo on April 7th, 2014 at 1:14 pm

Watched two of these in my garden yesterday in the Bay Area, CA. they were amazingly beautiful, a kind of jade iridescence in full sun and deep blue in shade. I shouldn’t have considered killing such amazing creatures even if they were harmful to my edible seedlings or myself ( which they are not). I read that they do not/ cannot sting. They females sting has been converted into a tube for laying eggs.

RZ on June 16th, 2014 at 9:38 pm

I plan to kill everyone I find again. I got bit/stung by one trying to save the “pretty bug” from our swimming pool. It landed on my toe, after the tidal wave of water subsided it stung me. My toe was swollen for a week, thank goodness for Benadryl. Pretty bug, but, I’m glad I figured out what it was before my kids did. I wish it had just hung out in the wasps nest. We’d all be happier!

s. smith on June 23rd, 2014 at 8:19 pm

I saw two of them while relaxing on my porch. One landed on my knee and stung me. It left a mosquito-bite looking welt. I’m in the northwest corner of SOUTH Carolina.

Mary on June 30th, 2014 at 3:20 pm

Just spotted 3 of these wasps on my house in Duluth, MN. They really get around!

David Lukas on June 30th, 2014 at 4:59 pm

I’m curious about the reports of “stings” because the definitive description of this family of wasps says that their stingers are “quite reduced and essentially non-functional” which probably means they can’t sting or that their sting is quite weak. I wonder whether even a small sting is enough to affect folks who are allergic to bee stings? But still, there’s no reason to kill one of these unusual wasps. They are solitary and don’t pose a risk of setting up a nest or regularly stinging anyone.

Chris Acosta on July 10th, 2014 at 5:05 pm

found one of these hanging out on the outside of my car window when I was going back to work after lunch. I’m in Ga on the Chattahoochee river.. it was very pretty and it let me get pretty close to check it out without flying away. I figured it was some kind of wasp but I’ve never seen one of these before.

Andrea on July 11th, 2014 at 9:32 pm

My son found one on his window sill in Poplar, WI. Weird type of bee, thanks for the info here, I had no clue what it was. It definitely had a stinger and I didn’t want my children to be bothered by it.

Matt on July 13th, 2014 at 5:12 pm

My wife found one of these while doing laundry in our basement in the Philly suburbs.

Kim on July 14th, 2014 at 3:14 pm

I just found one dead in my house in Duluth, Mn.

Christine on July 17th, 2014 at 7:12 pm

Found one in my office. Didn’t know what it was. I was holding it in my hand. Beautiful bug. I had no idea it was a wasp and I’m allergic to bees. Good thing I didn’t get stung. Fairfax, Virginia.

Deborah on July 20th, 2014 at 1:17 pm

I just captured one in my house and had to take some pictures of it before I released outside. It’s a beautiful bug. Virginia Beach, Va. Is this bug common on the east coast?

Erica on July 23rd, 2014 at 10:42 pm

As I was getting into bed tonight I felt a weird pinch/bite sensation on my chest underneath my shirt. I jumped up and switched on the light and there was one in my bed. I have 2 small whelps on my chest where it stung or bit me. Definitely not as bad as a regular bee or wasp sting but is painful still.
From Crockett, Texas

Phillip on July 27th, 2014 at 5:11 pm

Just saw one today, captured it, showed it to my boys, (6 (today! :) ) and 2). Fun Birthday surprise for him, and neat to see it. We let it go back outside. – West Point, UT

Cathryn May on July 28th, 2014 at 9:03 am

Just found a live one this morning on a window screen. Beautiful colors and when I touched it, it curled up like a ball. I was so fascinated that I’ve spent 3 hours on the net for info. on it.!! While going back and forth to the window screen to look at it further, I noticed a dead one in the window track… along with several dead wasp/bees. I agree with David Lucas’s observations and comments. I am an epipen carrier for bee stings, but I don’t know that it would cause me much harm. I think that “RZ’s” comments about a swollen toe for a week, may have happened because he/she is sensitive or allergic to bee stings. BTW I live near Gravenhurst Ont. Canada, and I let the little guy go > outside. I hope I see another one someday !!

cindy arredondo on July 29th, 2014 at 11:19 pm

Found one on the window yesterday. Thought it was a very uncommon color for any type of bug. Had no idea it was any type of wasp. Thank you for this informative article. From Los Angeles ca

Johanne Schultz on August 4th, 2014 at 4:46 am

Saw one of those last week in Jacksonville, Florida.

Brian on August 10th, 2014 at 5:13 pm

I just had my very first in counter with these marvelous insects. I was able to catch it alive. As a neuroscientist, I am very curious as to learning more about this. I enjoyed reading all the comments. I will post more in the near future.

Brian on August 10th, 2014 at 5:14 pm

Forgot to mention. I reside in Texas. I have not heard of many reporting of these parasites here and it is amazing to see how wide spread they are.

Kathie on August 25th, 2014 at 6:44 am

Found one of these walking around on my hydrangea leaves last week. I had never seen one. My brother in law told me what it was. I reside in Massachusetts

Sonja on August 28th, 2014 at 10:39 am

Caught one stuck between window and blinds.Flushed it down toilet saw the stinger and thought it would sting.I live ib Avenel N.J.

David Lukas on August 29th, 2014 at 9:45 am

I know it’s an instinctive reaction to kill wasps, bees, and flies but most of them are native species that play unique and vital roles in your local habitats. In fact many species are struggling to stay alive in the face of habitat loss and pesticides and the last thing an insect wants is to be trapped behind a transparent window with no way to escape. It might go against our instincts but these insects need us to help them out.

amy on September 12th, 2014 at 6:59 pm

I live in Humboldt County California. I got bit or stung 3 times by one. I was bending over in my garden and felt a couple sharp stings. I thought it was a earwig. I Opened up my shirt and that little thing in there. Its 4 days later and I have two swollen areas where I got bit or stung. Its still really painful. I am putting cortisone 10 on it.
I still see them every day moving around fast in my raised garden beds. Probably getting water off of the leaves of my brussel sprouts. Other wasps do that all summer long.

Maree on September 12th, 2014 at 10:24 pm

I’ve had a “bug” in a jar for 12 years now. My dog was inquisitive about a bug between my curtains and the door. Not wanting him to get hurt, I sprayed it and put it into a jar. It went from a bright green in colour then turned into a gorgeous deep purple in colour and the sting protruded upon its death, reaching about 1cm in length. It took me many years to find out what it was and I FINALLY know that it is a Cuckoo Wasp. To this day, I still have it in the jar and will always keep it.

Maree on September 12th, 2014 at 10:25 pm

Oh…. I live in Perth, Western Australia…..

Mark T on September 19th, 2014 at 1:55 pm

Richmond VA

We collected a mud cocoon and were expecting a potter wasp, out popped this guy. What a cool find!

Marisa on October 15th, 2014 at 11:49 pm

One got into my dorm room. I thought it was a horse fly but when it wouldn’t die after I hit it with a broom I realized it had to be some type of wasp. Since I’m allergic to stings and I didn’t know what kind of wasp this was I needed to get rid of it asap. When I finally killed it I saw the stinger. – San Antonio, TX

Ben on October 17th, 2014 at 7:00 pm

Just found one curled up into a ball in my bedroom it had 3 blue stripes and I realized it had a stinger. Cut it in half to make sure it was dead. I got scared and thought i was like a parasite or something (bot fly) but it is just a wasp. Virginia Beach, VA

Patrick on October 23rd, 2014 at 11:14 am

Just had one land on my notepad while trying to write an outline. Absolutely magnificent colors. It just kinda sat there for a few minutes, not moving, then flew off. My face was maybe a few inches away from it. – Summerville, SC.

joseph anthony on October 27th, 2014 at 4:39 pm

Just found one crawling around the window sill. Really nice meetallic blue and green. Goodyear, AZ

Di Sheidow on November 22nd, 2014 at 3:52 pm

Found and filmed one checking out a giant mud wasp’s nest for a way in. Glorious colours. We don’t kill any of the critters on our rainforest acreage – and unless you accidentally bump into something, it’s rare to get bitten. Our home is at Tanawha on the Sunshine Coast, Queensland, Australia, so these gorgeous little guys are certainly widespread.

JieJie on January 8th, 2015 at 4:42 pm

Yesterday my cousin found it here in Indonesia. I don’t know if she got bitten or got stung, her palm was red and sting. But when I checked on the wasp, his sting was still there and it’s dying, maybe it was out of breath because my cousin wrapped it in a paper before I came to checked it.

Bob on June 11th, 2015 at 12:49 pm

Got bit 3 times on my arm by one of these… 3 days later, the bites are raised and red… and just started itching… hmm…

Rae on June 12th, 2015 at 2:46 pm

In San Diego, California and I just was bitten/stung by one about 30 minutes ago..THREE TIMES by the same wasp, on my chest. Trying to figure out what it was when I came across this article. Nice sting and burning feeling.

Lisa on June 20th, 2015 at 2:22 pm

Have captured two of these from my backyard. One is now dead so I could study it. The other I will now let go since I’ve determined it’s not an Emerald Ash Borer. We have 100+ year old Ash trees on our property in California, so I’m relieved to know it’s NOT that!!

Kelly on June 26th, 2015 at 11:24 am

We have collected several of these wasps over the past 2 years, found curled up dead in our home in Cumming, GA. Have enjoyed studying them under the microscope and showing them off to other bug enthusiasts that come to our house. My daughter has a collection of dead wasps/bees (found dead, not killed by U.S.) that we enjoy studying. Interesting to know they like/eat from mud dauber nests/funnels because we have mud dauber nests all over porches. We have decided to leave them and coexist since they have not bothered us at all. We have a ton of different species of wasps on our property so they have their pick I suppose of invading options here. Have never seen a live one.

katy on July 1st, 2015 at 8:41 am

I love bugs, this the first time I’ve ever seen one in East Tx

Cliff on August 25th, 2015 at 10:37 am

Found one curled up and dead on my windowsill in Cincinnati, OH today. Sad, beautiful creature.

theestarseed on August 30th, 2015 at 2:26 pm

I think that this may be the organism,or a close relative of the organism, responsible for Morgellons disease. The insect flies, is extremely small, sparkles with iridescence in the light, and is fluorescent under a wood lamp/uv light. Their bite lasts a long time and often leaves an ulcerated scar. If you put diatomaceous earth around the house, them clean it a few hours later with diluted ammonia, you will see all these tiny balls scatter, if you have morgelllons in your environment. This defense tactic and iridescence lead me to this article. Thank you for this article.

Anisha on September 1st, 2015 at 2:46 pm

I found one on the stairs leading to my office. It was dead with the stinger sticking out all curled up. I live in Georgia.

sherry on September 6th, 2015 at 11:05 am

I just got stung by one and it hurt really bad i live in Michigan indiana

Jakob on September 10th, 2015 at 7:40 am

My cat brought me one of these things while I was working on my computer. It was still alive, and I had no idea what it was at the time, so I tried stepping on it, but it lived through that, so I speared it with a pen. I think it might be what’s been killing off a lot of the bees near where I live. Westby, Wisconsin.

Sally Vogel on May 26th, 2016 at 11:33 am

After reading all the comments, it would seem that not all these people are describing the same insect. There are also small irridescent green bees that do have a stinger.

David Lukas on May 27th, 2016 at 3:05 pm

Sally, thank you for your comment! I think you’re right and it helps answer the question that’s been bothering me: Everything I’ve read says that cuckoo wasps don’t sting, but numerous readers have reported being stung by them and I was wondering whether the experts were wrong? It’s hard to argue that a wasp sting wasn’t “real”, but maybe there are species with a close resemblance that do sting?

Garnette Nauman on May 28th, 2016 at 2:40 pm

Just saw one on my deck, never seen one before. My husband said he thought it was a type of wasp. He was right over it. It was beautiful in color but before I could get a picture it was gone. I’m in Manchester, TN.

Kenzie lynch on June 13th, 2016 at 12:22 pm

I just saw one on my window my cats were playing with it and it curled up in a ball I thought it was dead so I picked it up to through it outside and it bit me I looked at it really close and it seemed to have some kind of wormlike stinger coming out of its abdomen

Johnny B on June 25th, 2016 at 9:45 pm

I observed a iridescent Blue/green wasp like insect today that looked like it was building a nest! It was filling in a hole in front of my home near Palm Springs CA. I went back out close to dusk and the hole in the ground it was filling was completely covered and I could barely notice where the hole was it covered it so well!!!

Diego salazar on May 2nd, 2017 at 1:55 pm

I just seen one and i thought exactly the same thing…. What is this im looking at. Very calm and gorgeous colors.

David Lukas on May 2nd, 2017 at 4:24 pm

I continue to be impressed how widespread these unique wasps are, and how many places people report seeing them! It seems like they’re all over the world!
By the way, if folks are interested I have a new website that covers my most recent writing projects. The bio lists http://www.lukasguides.com, but I mostly use http://www.languagemakingnature.com now :)

Nicole on May 7th, 2017 at 1:08 pm

Just saw one outside in the garden. I live in Huntsville,AL.

John on May 16th, 2017 at 9:17 pm

I was woken up by one of these beauties crawling on my leg under the covers of my bed in the middle of the night. I brushed it off and a minute later was stung on my belly. Mildly painful momentary sting with no lasting pain. But the next day an itchy bite. Normally when I get a bee sting it’s much itchier and swolen for a week. Sacramento, ca

Celeste on June 4th, 2017 at 5:17 am

I find one in my bathroom. I live in ohio

Anna on June 26th, 2017 at 9:37 am

I always find them in the same spot at the attic, till now 10 or so. They are beautiful but always fly towards me, like attacking me, although I was never bitten or stung. Bucharest, Romania.

Tracey Bakhsiss on July 6th, 2017 at 9:43 pm

I have a beautiful long- like a wasp- iridescent, all dark blue, jerky, fast insect that comes and seems to live under the porch in San Antonio Texas. There is nothing roly ploy about it. I don’t feel threatened. It lands on a step then finds its opening and goes in.I never see one exit..or more than one enter. Anything? 😀

David Lukas on July 7th, 2017 at 1:42 pm

There are a large number of different wasps that are dark blue iridescent and jerky in their movements so I think you’re seeing one of those wasps!

Jane Reynolds on August 24th, 2017 at 10:20 pm

I live in Nanaimo, BC, Canada (on the east coast of Vancouver Island and I found one when I was digging in my garden today. Thank you for the info. I put it in a small plastic bottle, I will set it free :)

David Lukas on August 25th, 2017 at 9:49 pm

Glad you had a close look and then set this one free. They are a beautiful addition to our yards and gardens.

Kira on September 12th, 2017 at 11:31 am

A cuckoo wasp landed on my hand and ate the honey that was on it (i was eating toast and honey). It was so beautiful! I took photos of it!

David Lukas on September 12th, 2017 at 8:12 pm

I had no idea they would eat honey. Thanks for sharing this observation!

Sherry M on September 19th, 2017 at 7:52 pm

I live in Colorado Springs, Colorado. This morning I was getting ready for my day in the bathroom when I looked down to see what I saw from corner of my eye… I saw a Cuckoo Wasp dying. Didn’t know what it was until I googled, “little blue flying bug with stinger” 1st thing popped up was website on Cuckoo Wasp. Then Mr. Lukas facebook page. So thought I would share my story as I had never seen one before!!!

David Lukas on September 20th, 2017 at 8:40 pm

Thank you for sharing this story. It’s awesome that you pursued your curiosity about this little wasp and learned more by searching the web. I’m really glad that you found this article and a way to ask your question!

Helen Courtney on July 8th, 2018 at 7:28 pm

Just found one inside my house near Chicago Illinois

J Garcia on July 11th, 2018 at 1:51 pm

Had one in our shop in League City TX. First time seeing one.

Heidi on July 14th, 2018 at 6:19 pm

I just spent the afternoon watching 2 of these wasps watching a mudwasp nest that is just being built. I live in Prince George BC.

David Lukas on July 16th, 2018 at 12:25 pm

It’s fascinating that people have reported seeing cuckoo wasps in Illinois, Texas, and British Columbia in just the past week–shows us how widespread these wasps are!

Christopher on July 19th, 2018 at 12:00 pm

Just seen one land on the hand rail of the stairs at my job! Sulphur, Louisiana

A.D. on July 23rd, 2018 at 12:30 pm

I live in Cottonwood Alabama. I’ve killed 3 in my living room they were crawling all on my furniture in my living room . we also have a wasp problem. I thought I sealed up my fireplace good enough that they couldn’t get in . Now I’m finding these green ones and I’m freaking out because I’m allergic to wasp and I don’t want to be stung .Can someone please tell me how to get rid of this problem for good naturally? Thanks

David Lukas on July 23rd, 2018 at 3:02 pm

I’m sorry to hear that they’re getting into your house. I’ve never found one inside my house, even when I leave windows and doors open for days at a time in the summer. I don’t believe they have any special techniques, or need, for getting into houses, so you should be fine if the house is sealed up tight. These wasps seem to like open sunny areas and have no motivation to randomly enter dark, closed spaces of any type. That said, these wasps also have no stinger and don’t sting, though it’s intriguing that several people in this forum have reported being stung by one of these wasps. This is odd and I wonder what’s going on. They might bite and that might feel like a sting, but I also don’t want to discount anyone’s report of being stung. It’s also possible that other wasps (with stingers) might have a similar appearance?

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