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Ant found in CA desert, please ID


Best Answer Zeiss , July 25 2019 - 2:11 AM

I believe these to be Solenopsis xyloni.

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#1 Offline BADANT - Posted July 25 2019 - 1:43 AM

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Twentynine Palms, CA, USA
7/25/2019
 
Body:
1. Location of collection: Desert field, Twentynine Palms, CA, USA. I found 11 of them, about half were in a field5 were within 1 foot of the street as I walked along the curb and I found 1 more about 15 feet in from the street.

2. Date of collection: 7/23/2019, between 7PM and 8PM.
3. Habitat of collection: About half were found in a vacant piece of land in the desert along a wash. The other half was found within 2 feet of the street, as I walked up it for about 300 feet. There was desert type of plants, in the vacant piece of land. While walking up the street the rest were found completely in the open sand of the unlandscaped parkway. The piece of land was a long thin strip that ran between the wash and a house.
4. Length: 8mm to 9mm.
5. Coloration, hue, pattern and texture: Her color looks to be a rich brown, with darks bands on the gaster. The bands do not go all the way around the gaster, they end on the sides and the bottom has sets of marks that look like bookends.
6. Distinguishing characteristics: The markings on the underneath side of her gaster seems to be the most distinguishing marking.
7. Anything else distinctive: None that I could tell.
8. Nest description: Unknown

9. Nuptial flight time and date: Unknown.



#2 Offline Zeiss - Posted July 25 2019 - 2:11 AM   Best Answer

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I believe these to be Solenopsis xyloni.


  • AntPhycho and Somethinghmm like this

#3 Offline ponerinecat - Posted July 25 2019 - 8:49 AM

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beautiful coloration, although S. xyloni tend to have a darker gaster.


The pattern on the gaster is also unique and not because of swelling.


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#4 Offline BADANT - Posted July 25 2019 - 1:28 PM

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beautiful coloration, although S. xyloni tend to have a darker gaster.


The pattern on the gaster is also unique and not because of swelling.

I didn't think to attribute it to swelling, but you did make me realize that I only took photos of 1 out of the 11. So I went back to check the rest, and I was able to confirm 5 more with the same pattern on the underside of their gaster. As for the remainder, well they just wouldn't roll over for me...LOL. They are on the cotton at this time, and unavailable for further scrutiny. Maybe they are S. xyloni, I would be fine with that. Either way, I hope this helps some more of you chime in and help me....Thank you



#5 Offline mbullock42086 - Posted July 25 2019 - 1:37 PM

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looks like the xyloni in my yard the queens i see usually look like 'standard' fire ants, but sometimes these morphs pop up



#6 Offline BADANT - Posted July 25 2019 - 1:56 PM

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looks like the xyloni in my yard the queens i see usually look like 'standard' fire ants, but sometimes these morphs pop up

I'll go with that, and it is very good to know. Thank you both Zeiss and mbullock



#7 Offline gcsnelling - Posted July 25 2019 - 3:20 PM

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S. xyloni is a rather variable species.


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#8 Offline Manitobant - Posted July 25 2019 - 4:08 PM

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Prepare to have a fast growing and aggressive colony! This is my dream species.
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