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Rasberry Crazy Ants

Posted by TXEB 9a (My Page) on
Thu, May 23, 13 at 9:10

This week I find myself confronted with a new ant species to defend against, the Rasberry Crazy Ant (and no, Rasberry isn't misspelled), aka the Tawny Crazy Ant.

It's been in TX around the Gulf Coast for abut 11 years, I'd heard about it, but never seen it. Now I have - in my kitchen and an adjacent bathroom. I found what I believe is the key area outside where they're outside (under mulch in a landscaping bed in the front of the house). But the issue with these guys is they come in huge numbers (like millions) and are very difficult to control. Most baiting systems are ineffective for control, few insecticides are known to be effective for control, and those that are typically aren't available in the homeowner retail market.

Thus far they've been confirmed in TX, LA, MS and FL. They don't travel far on their own - they appear to migrate as hitchhikers in cargo, suitcases, etc.

So, if you live in a Gulf Coast state be on the lookout for Rasberry Crazy Ants in your gardens and landscapes. They don't build hills like fire ants. They establish their very sizable colonies under anything that creates a void and retains moisture, such as stumps, concrete, rocks, potted plants, mulch, etc. While they nest mostly outdoors, unlike fire ants they will forage indoors, into homes and other structures.

Some entomologists believe that these ants may completely change the ecosystems of the SE US, where the fire ant has been a dominant species. They will swarm and take on fire ants. More on Rasberry Crazy Ants via the link below, and the links therein.

Here is a link that might be useful: TAMU - Control of Rasberry Crazy Ants

Follow-Up Postings:

RE: Rasberry Crazy Ants

I had them very bad 2 years ago.year. I remember years ago we used to have huge hills of fireants and I believe the crazy ants killed those off. Got rid of the crazy ants with Termidor ....just one application and haven't seen them since. It is also used for termites. While I had the crazy ants, I felt like it was the end of the world. They are relentless and it was a huge relief to get rid of them.

RE: Rasberry Crazy Ants

Near Houston. I realize this is a late post, but someone may read this method for ridding ants in your yard. I use
Dried Molasses. I bought it to help my gardens. Everything began to bloom beautifully, but the side benefit was that I now have no ants. Give this patience - it is not like an insecticide, but I can attest that the ants will leave.

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