>Camponotus fragilis and Camponotus absquatulator are pretty much identical
If this was the truth, C. absquatulator would have been classified as a subspecies of C. fragilis prior to 2006, however they were not, and were instead a subspecies of C. festinatus. Furthermore, they are easily identified in the majors, which anybody who has ever identified a polymorphic species would know is generally the case. C. fragilis majors have hairs all up the sides of the head, where C. absquatulator majors lack these hairs.
>In addition, if you look on antmaps, C. fragilis are in fact abundantly in California.
Clearly you did not read my entire post. I clearly explained why this is the case. "One thing that may get brought up is that Camponotus absquatulator has far fewer records on Antmaps.org in California than C. fragilis does. However, this is easily explained, since C. absquatulator was only described in 2006, where Camponotus fragilis were described in 1893. They've had just a bit more time to build up records and be more well-documented."
>Even if you are questioning the ants you currently have, I don't think there is really a need to do so because they pretty much behave the same way and look the exact same, except for a few tiny hairs.
While I currently do not keep either species, I have sent dead specimens of the workers (majors and minors) in my area to FC user AnthonyP163, and he confirmed they were true C. fragilis, which makes sense, as I am located in central Arizona.
A few more differences to note:
Major workers of fragilis have hair going up the sides of the head; absquatulator does not.
Both fragilis minors and absquatulator have hair between their antennae. C. fragilis tend to have shorter hairs on the face than absquatulator.
Even the paper you linked says this:
"The queens and major workers are readily distinguished from all others in the complex by the absence of erect setae behind the level of the anterior margin of the eyes. Those setae that are present are usually confined to the anterior one-half of the malar area. In minor workers the malar area is commonly devoid of erect setae or with up to 3 on each side that are situated near the base of the mandible."
>the festinatus complex Carpenter ants that I bought from nurbs were C. fragilis, indicated by these hairs between the antennal scapes, which absquatulator lacks.
You may want to check this again.
The only valid point brought up is the size of C. absquatulator queens mentioned, as I could not find any mention of size apart from "smaller than C. festinatus." It is probable that C. absquatulator queens are larger than I assumed, however I still doubt that C. fragilis in California are miraculously 3-4mm smaller than those in AZ, when C. absquatulator has been proven to be more common in California than the former.
I want to firstly make something clear. The main sellers of Camponotus fragilis are nurbs and dspdrew. They have both done their own work: taking microscope shots of their ants to prove that they are C. fragilis. Even if that wasn't clear enough for you, I also posted my own pictures. The reason I cited the paper was so that you could actually do concrete research into identifying the ants, because it seems like you are just using anecdotal experiences and taking pictures out of context when they don't mean anything.
The paper I linked has a very specific section where it distinguishes the differences between fragilis and absquatulator. I chose this section in particular because it gives details that can actually be easily seen through a microscope.
"Camponotus fragilis is similar to C. absquatulator sp.n. in color and stature, but does possess erect setae along the entire head margin; in minor workers these setae may be sparse, but there are always at least 2 or 3 between the level of the eyes and the posterolateral angles of the head."
This distinction is more than explaining differences between shorter and longer hairs on the gynes. This specifically looks at the minors and says that fragilis minors will have a few sparse hairs between their eyes (at the top of their head, which was the location I indicated before) but that absquatulator do not. This is CONCRETE proof against your claim there are no C. fragilis in California and it also explains that the queen I obtained from nurbs was also C. fragilis.
In addition, it's not a "proof" that absquatulator are more common in California than fragilis. These are observations made by a myrmecologist. However, he also made a key, and following that key, I found out that my ants were in fact fragilis, and not absquatulator. We can not solely cite locations as our proof because people can be wrong. That's why we often have to rely on evidence right in front of our eyes, in addition to a few maps.
I will concur that I made a mistake about antmaps regarding C. fragilis. There was a new update, and I seem to have missed when they took it out of all the sightings in California. My point still stands that if we key out an ant to a specific species, and not the other, then u can't just rely on maps.
I completely believe you that 15mm fragilis exist. My own C. fragilis are around 12-13mm when they are not physogastric. As I said before, their gasters can expand, and they can easily become 15mm. Measurements should be taken lightly when they are not done under the same conditions. Here's a picture of my queen next to a ruler. She is not physogastric and measures around 12mm. If you would like to contest my claim that fragilis can be between 12-15mm, I suggest you bring up clear evidence of gyne pictures for your own measurements.
Just because two ants are nearly morphologically identical to the naked eye, doesn't mean they're the same species. They had different reproductive pools due to a geographic separation, and now they're different species. What I am pointing out is that the distinction is very minute, and it's not worth calling people out for lying about their ants, especially when they have proven that their ants are actually what they say they are.
The workers you sent might be C. fragilis, but the workers I took pictures of were ALSO C. fragilis. You completely discounted my identification, where I included clear pictures of the workers with the erect setae between their eyes.