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Formica ID? Just workers

Started By Stubyvast , Aug 26 2024 5:50 PM
id formica help antid

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#1 Offline Stubyvast - Posted August 26 2024 - 5:50 PM

Stubyvast

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Hello all!

I've been very curious about this species of ant in my backyard, which I am positive is formica. However, although I discussed this with one myrmecologist on inaturalist, I am unsure which species specifically. Apparently it's also a nightmare trying to identify formica, so give it your best guess. I'm guessing formica pacifica. If you're wondering about my location, just check my profile (I also posted these pics on the ant photography thread, sorry for the redundancy). Thanks!

 

IMG_1407.jpeg

IMG_1409.jpeg

Clearly, this species farms aphids or mealybugs.

 

IMG_1420.jpeg

IMG_1421.jpeg

 

Hopefully you guys can figure this out! Thanks for your help!

 

 


Currently raising: 

Myrmica rubra (1 queen +  ~5 workers)

Lasius niger (single queen + ~90+ workers)

Lasius neoniger (3 single queen + brood)

Formica spp. (Queen [likely parasitic, needs brood])

Formica pacifica (Queen)

Also keeping a friend's tetramorium immigrans for the foreseeable future. Thanks CoffeBlock!

#2 Offline Artisan_Ants - Posted August 27 2024 - 11:53 AM

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I believe you are right indeed. This is F. pacifica which is on the fusca group like you mentioned. Notice how the scape of this worker is longer and thinner unlike bulky and larger F. aerata’s scape (it’s scape’s angle make it’s head look bigger unlike F. pacifica). I also believe F. aerata is less abundant than F. pacifica and occurs at fairly high elevation at times.
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Keeping:

3x - S. molesta (colonies and single queen)                1x - C. nearcticus (founding but no eggs)   (y) New!

1x - C. chromaiodes (colony)                                       1x - C. subbarbatus (founding)  

1x - F. subsericea (founding)                                        1x - T. sessile (mega colony)

3x - P. imparis (colonies)  

2x - L. neoniger (founding)

 

Check out my C. nearcticus journal here: https://www.formicul...cticus-journal/

Check out my C. chromaiodes journal here: https://www.formicul...aiodes-journal/

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