I've always been fascinated by ants since childhood and love watching them, but these floating islands are the worst ambush I can imagine. Good to know they have a kryptonite.
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You're all going to love this. It's environmentally friendly, it's inexpensive, it's 100% lethal, and makes them die in the most horrible manner possible.
Dish soap.
Put a tablespoon or two into a spray bottle, then add about 2-3 cups of water. Swish the water to mix. Do not shake! You don't want foam in the bottle.
MOVE. UP. STREAM. Seriously, you don't want to be downstream of this when it happens.
Now, starting in the middle of the mass, start spritzing with the soapy water, and work your way out to the edges.
The soap will break the surface tension, and act as a wetting agent on the ants. As a result, the water will now start wicking up their bodies, enveloping them like living quicksand. And with the surface tension broken, the mass of ants will start to sink.
Remember, start in the middle! This will cause the center to sink first, and drag the edges down last. The ants will all hold on to each other and drag every last one below the surface. With a soft bloop, the entire mass will drop.
Remember how I said to move upstream? If you're downstream, the entire submerged mass could end up wrapped around your legs. Where they will immediately begin clawing their way to the surface, using you as a ladder.
Best of all, you can scale up your operation, and load a backpack sprayer with a bottle of Dawn and a few gallons of water. Then just wade through your neighborhood, wiping them out for the benefit of everyone!
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[1] https://www.reddit.com/r/natureismetal/comments/6wkd4j/firea...
[2] https://www.livescience.com/13867-raft-fire-ants-buoyancy-fl...
Their name was not inspired by their red color, but by their burning, venomous bites which leave huge weeping pustules. If you are allergic or sensitive, it is worse.
If you had ever been bitten, you would understand the desire to kill them if you can, any way you can.
(Bonus: According to the article, the floating ant rafts are 165% more venomous than usual. I cannot imagine.)
However, you are much more likely to get a bazillion bites, for example if you step in a nest and don't notice it until they are crawling up your leg..
https://www.bing.com/images/search?q=fire+ant+bites+&qs=n&fo...
[1] https://articles.extension.org/pages/34572/why-do-fire-ants-...
My brother was once sprayed with them by the lawnmower. He was in shorts (so his bare legs were inundated) and he reacts a lot worse to them than most people I know. I took over the lawn mowing for a few weeks after that.
https://www.sciencedaily.com/releases/1999/09/990923071322.h...
Has anyone found a video (or else is willing to make one :)?
Or maybe whatever system they use to lay fire-fighting foam down at airports?
Maybe just fire-fighting foam itself?
When I was growing up in Georgia (last century), we would douse fire ant mounds in gasoline and light it. (This is no doubt illegal now.)
We called them ant roasts.
/heathen
Even in Texas it is banned by the TCEQ, which as with most Texas regulatory agencies exists primarily to prevent any regulations from being promulgated or enforced.
Edit: Just want to add, a single gallon of diesel fuel spilled can contaminate a million gallons of drinking water in a reservoir, stream, or aquifer. It's not a great idea.
Very much varies by local rules. If you're in a county in GA you can probably get away with it without trouble.
What you really mean is that you know people with neighbors who don't like them and are well connected enough to not fear reprisal.
[1] http://www.core77.com/posts/23607/walter-tschinkels-aluminum...
We did the same thing with some gasoline, at night when it was cooler and the hive/colony was sleepier. My siblings and I still continued to avoid that part of the yard out of habit.
There is at least one possible upside: Fire ants love to eat ticks.
I guess I've learned something new today.> Fire ant rafts do have a kryptonite: dish soap. “Dawn is a not a registered insecticide, but it will break up the surface tension and they will sink”
I have a friend who did criminal defense work as a lawyer in Houston. According to him, Houston juries will not be kind to someone they think of as a "gun nut." Texas is a big place, and there's a lot of diversity within. Houston is a splotch of purple in a sea of red, and it will get bluer as time goes on, due to demographic shifts.