9 replies to this topic

[Antony105]

1. The queen was caught in Cupertino, CA.

2. Current date is October 5th, 2023 at the time of this post.

 

 

1. In house

2. Found at August 14, 2023.

3. Found in house under my chair.

4. 5-6 mm for queen, 2.5 mm for workers.

5. Queen and workers are brown and hairless. The ants are shiny and the queen has 4 abdomen segments.

6. The workers have one peditole node, 2 thorax humps, and long antennae.

10. 

 

I think they're Lasius ants but I'm not sure on the species.

Attached Images

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[ANTdrew]

The name Lasius means hairy. Perhaps these are Brachymyrmex patagonicus?

[Manitobant]

Looks more like nylanderia to me

[ANTdrew]

I could see that. 

[Antony105]

I forgot to mention, but my camera is not good enough to see hairs, so I can't be sure on whether or not there are hairs.

[Virginian_ants]

Not patagonicus, they are smaller. I'm thinking nylandaria.

[Antony105]

After searching on nylandaria ants, I discovered that 3 species are native to CA, one of which is the wrong color (my queen is brown, not yellow), and the remaining two are
https://www.antwiki....nderia_magnellaand https://www.antwiki.org/wiki/Nylanderia_vividula. There is no nuptial flight information (or pictures of queens) for Nylanderia magnella and the nuptial flight of Nylanderia vividula is in march/april, but I caught my queen in august. I'm confused, can someone help me?

[100lols]

Looks like Nylanderia vividula.

[ANTdrew]

Can you get new photos when those workers are fully darkened? N. vividula should be bicolored with dark heads and gasters and a lighter, reddish thorax. The head shape should be more like a square than I am seeing in these photos, so I don’t feel like these are vividula. The flight time is off, too, but it’s not impossible that they would send out late queens given how many alates mature colonies pump out.

Edited by ANTdrew, October 8 2023 - 2:18 AM.

[100lols]

It’s tough, but Andrew had a pretty good ID thread and talked about the ID of N. vividula in his journal here: https://www.formicul...0-discontinued/