Colorado Queens ID

Help with identifying the species your ants

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ACaseoftheMondays
Posts: 72
Joined: Mon Jun 12, 2017 11:54 am
Location: Northern Colorado

Colorado Queens ID

Post: # 28840Post ACaseoftheMondays
Sat Aug 12, 2017 4:02 pm

Caught 2 different species today. The large dark one is definitely some type of Formica. Dark one is about 12mm, the red one is about 8-9mm. I would greatly appreciate any help identifying the species of either of these. I know Formica is hard to ID (at least for me), so if specific any pics would help, please let me know and I will try to take more.

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Founding:
Pogonomyrmex Occidentalis
Solenopsis Molesta
Formica Argentea
Lasius Flavus
Colonies:
Tetramorium sp.E

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Batspiderfish
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Joined: Wed Jun 29, 2016 3:47 pm
Location: Maine

Re: Colorado Queens ID

Post: # 28867Post Batspiderfish
Sat Aug 12, 2017 9:35 pm

Are all of the Formica closups of the same queen? Since there is silvery pubescence on at least three gastral tergites, and the antennal scapes do not appear to be shorter than the length of the head (from the clypeus), then she would appear to be Formica argentea.

The reddish queen is Lasius subumbratus.
http://www.formiculture.com/topic/3252-much-ado-about-the-founding-of-lasius-temporary-social-parasites/
(in the guide, there is an image of two L. subumbratus queens together, but this species is not polygynous.)
If you enjoy my expertise and identifications, please do not put wild populations at risk of disease by releasing pet colonies. We are responsible to give our pets the best care we can manage for the rest of their lives.

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ACaseoftheMondays
Posts: 72
Joined: Mon Jun 12, 2017 11:54 am
Location: Northern Colorado

Re: Colorado Queens ID

Post: # 28876Post ACaseoftheMondays
Sat Aug 12, 2017 11:29 pm

Batspiderfish wrote:
Sat Aug 12, 2017 9:35 pm
Are all of the Formica closups of the same queen? Since there is silvery pubescence on at least three gastral tergites, and the antennal scapes do not appear to be shorter than the length of the head (from the clypeus), then she would appear to be Formica argentea.

The reddish queen is Lasius subumbratus.
http://www.formiculture.com/topic/3252-much-ado-about-the-founding-of-lasius-temporary-social-parasites/
(in the guide, there is an image of two L. subumbratus queens together, but this species is not polygynous.)
Wow, your knowledge is as impressive as always. Thanks for the info; this is my first parasitic queen, and reading about them is very interesting. Unfortunately, I don't have any Lasius workers to give her, so it seems I will be letting her go.

I'm pretty sure the pics are of the same Formica queen, but I'm not 100% sure. I only found 2, and I assumed they are the same species (they look the same to me). Is there something specific you see that makes you think they may be different?

Thanks again, especially for explaining how you were able to determine the species.
Founding:
Pogonomyrmex Occidentalis
Solenopsis Molesta
Formica Argentea
Lasius Flavus
Colonies:
Tetramorium sp.E

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