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Lindsay CA ID Request #1 (6/3/2018 - 6/4/2018)


Best Answer YsTheAnt , June 12 2018 - 9:49 PM

Those are Solenopsis xyloni. Native, colorful, and best of all, legal! Go to the full post


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6 replies to this topic

#1 Offline OmniusClone - Posted June 4 2018 - 2:57 PM

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1. Location (on a map) of collection: Lindsay, CA, 
2. Date of collection: 6/3/2018
3. Habitat of collection: Both found on the sidewalk outside of a fast food chain. 
4. Length (from head to gaster): Both are approximately 8-9 mm 
5. Color, hue, pattern and texture: Head, thorax and petiole/post-petiole on both are a ruddy reddish orange hue, while the gaster is a dark brown or black. Both ants seem very glossy and smooth.  
6. Distinguishing characteristics: The waist of both is quite obviously segmented into petiole and post-petiole. Antennae are clubbed at the end. Eyes are small and located lower down on the sides of the head, closer to the antennal fossa. The Mandibles are very circular and thin, with an obvious space between the clypeus and the front plane of the mandible. Several white settae are quite obvious on the gaster and only occur along the segments. 
7. Distinguishing behavior: Both were very energetic when collected, but when placed in test tubes became almost lethargic, barely moving at all. This is the reason the I was only able to get a single angle on both; it was the best angle I had. 
8. Nest description: Unfortunately, I didn't see the nest. 

9. Nuptial flight time and date:The flight took place on 6/382018, but the time I'm not sure of. Both were collected around 21:45. 

 

To take a more conversational tone, I'm not sure why all my pictures are posting upside-down. I'm not sure if I can edit them in the album to right-side-up. 

In any case, I'm fairly sure that these are both examples of Solenopsis xyloni, although considering the area here it might be invicta as well. 

Frankly, with my lack of experience, it's probably something else entirely. 

 

 

Here's the first one:

 

20180604 005644
20180604 005653
20180604 005705
 
 
And here's the second: 
 
20180604 010003
20180604 005939

 

 

 

 

Another post will be following this one, as four other queens of a different species were collected at the same time. 

And as always, the help is enthusiastically appreciated! 

Cheers!



#2 Offline Canadian anter - Posted June 4 2018 - 3:05 PM

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I believe you are correct.



#3 Online YsTheAnt - Posted June 4 2018 - 7:03 PM

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Looks more like S. xyloni, but we would need pictures with brighter lighting to be sure.

#4 Offline OmniusClone - Posted June 5 2018 - 1:14 AM

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I'll try to post more pictures in a few days or so. I'd like to give them some time to settle down and hopefully start laying brood. For now, I'll think of these as xyloni. 

Would anyone happen to know if xyloni is polygynous? I understand that invicta can be. It would be interesting to have two in one nest. 



#5 Offline sericultivist - Posted June 10 2018 - 12:24 PM

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Xyloni has been flying up here the past few weeks, but you'll know for sure when the first workers arrive! Xyloni are almost candy apple red while invicta are a duller, muddy brown-red.


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#6 Offline OmniusClone - Posted June 10 2018 - 2:40 PM

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Well it looks like I'll find out soon enough. Just did my first check on my queens since collecting them last week, and one of the Solenopsis has laid a nice clutch of eggs. As a bonus, I took some more pictures. 

 

Here's queen #1:

 

20180610 151952
20180610 152008
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And here's queen #2:

 

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20180610 151720

 

Not sure if these will help pin down which they are exactly, or if I'll have to wait a few weeks for when the nanitics (hopefully) show. 



#7 Online YsTheAnt - Posted June 12 2018 - 9:49 PM   Best Answer

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Those are Solenopsis xyloni. Native, colorful, and best of all, legal!
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