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Carpenter ant, Argentinian ant, fire ant, or ?

Started By jma , May 22 2025 9:31 AM
id

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4 replies to this topic

#1 Offline jma - Posted May 22 2025 - 9:31 AM

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Can anyone help ID this ant? I've been told different things and can't tell from everything I've read on line. Thank you!!! 

 

1. Inside and outside home in rural area of Northern California foothills.

2. May 2025

3. Inside and outside home; surrounded by oaks, pines, Crepe Myrtle and Maple trees. POssibly dryrot in siding/roof.

4. 1/2"

5. Reddish-brown body with black head.

6. ?

7. No odor (I don't think); not interested in food. Slow moving.

8. Don't know

9. ?

10 All photos of ants inside home. I don't have various angles, but hoping this is a simple ID :).

Attached Images

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#2 Offline ANTdrew - Posted May 22 2025 - 10:29 AM

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Camponotus worker.
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#3 Offline RushmoreAnts - Posted May 22 2025 - 10:40 AM

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I second this. It appears to be in the subgenus Camponotus (Tanaemyrmex) sp.


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"God made..... all the creatures that move along the ground according to their kinds (including ants). And God saw that it was good. Genesis 1:25 NIV version

 

Keeping:

Tetramorium immigrans

Formica pallidefulva, argentea

Formica cf. aserva, cf. subintegra

Pheidole bicarinata

Lasius neoniger, brevicornis

#4 Offline ReignofRage - Posted May 22 2025 - 5:26 PM

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Aligns most closely with the Camponotus semitestaceus described and established by Snelling, R.R., 1970. California is fortunate enough to have several people focusing on the hyperdiversity and cryptic diversity of the Formicidae here, but the unfortunate part of that is we know of numerous undescribed species. These undescribed species are not documented thoroughly enough to be able to confidently bring most Tanaemyrmex species down to species level.


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#5 Offline bmb1bee - Posted May 22 2025 - 5:27 PM

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Camponotus workers and the first photo is a major. It's probably one of the undescribed species in the Tanaemyrmex subgenus. Not C. vicinus for sure. And I wouldn't worry about them infesting your house, since these here tend to not be house pests.


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