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Myrmica americana?? Located in a walnut in Michigan


Best Answer MichiganAnts , April 20 2017 - 3:20 PM

they are myrmecina americana

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15 replies to this topic

#1 Offline MichiganAnts - Posted April 15 2017 - 9:28 PM

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found on 4/15/2017 in a walnut in my forest. AAA battery is in the pic for scale

 

g6pnBND.jpg5qSficQ.jpgDfvCfBw.jpg


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Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

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#2 Offline MichiganAnts - Posted April 15 2017 - 9:41 PM

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macro pics!

 

No0HFrJ.jpgz0tkIxm.jpgQ6lRECU.jpg


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Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

https://www.youtube.com/MichiganAnts

https://twitter.com/MichiganAnts

https://www.facebook.com/MichiganAnts/

 

Keeper of:

 

camponotus nearcticus x3

 

camponotus pennsylvanicus x3

 

camponotus noveboracensis x2

 

pheidole bicarinata x1

 

temnothorax longispinosus x1


#3 Offline Salmon - Posted April 16 2017 - 8:14 AM

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Definitely not Myrmica americana. Could be Myrmicina americana.

#4 Offline MichiganAnts - Posted April 16 2017 - 8:16 AM

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Definitely not Myrmica americana. Could be Myrmicina americana.

what?


Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

https://www.youtube.com/MichiganAnts

https://twitter.com/MichiganAnts

https://www.facebook.com/MichiganAnts/

 

Keeper of:

 

camponotus nearcticus x3

 

camponotus pennsylvanicus x3

 

camponotus noveboracensis x2

 

pheidole bicarinata x1

 

temnothorax longispinosus x1


#5 Offline Jonathan21700 - Posted April 16 2017 - 8:27 AM

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This is Myrmica.



#6 Offline Nathant2131 - Posted April 16 2017 - 1:16 PM

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In a walnut?

 

Myrmecina americana (what Salmon probably meant) should be taken into strong consideration, then. I've never heard of a Myrmica that nests in nuts.

 

Edit: I believe I see two pairs of propodeal spines and a barrel-shaped petiole.. If so, definitely Myrmecina americana.


Edited by Nathant2131, April 16 2017 - 1:20 PM.


#7 Online Batspiderfish - Posted April 16 2017 - 2:40 PM

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No, I'm pretty sure these are Myrmica sp. Can we get a measurement, though, please? I mean, really? A battery??

If they are Myrmica, we will not be able to identify them to the species through photographs.


Edited by Batspiderfish, April 16 2017 - 2:42 PM.

Black lives matter.

#8 Offline Salmon - Posted April 16 2017 - 4:18 PM

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Yeah the legs look like they might be too long to be Myrmecina. But if they are Myrmica they certainly aren't M. americana.

#9 Offline MichiganAnts - Posted April 20 2017 - 3:20 PM   Best Answer

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they are myrmecina americana


Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

https://www.youtube.com/MichiganAnts

https://twitter.com/MichiganAnts

https://www.facebook.com/MichiganAnts/

 

Keeper of:

 

camponotus nearcticus x3

 

camponotus pennsylvanicus x3

 

camponotus noveboracensis x2

 

pheidole bicarinata x1

 

temnothorax longispinosus x1


#10 Online Batspiderfish - Posted April 20 2017 - 3:41 PM

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they are myrmecina americana

 

What is your reasoning?


Edited by Batspiderfish, April 20 2017 - 3:41 PM.

Black lives matter.

#11 Offline MichiganAnts - Posted April 20 2017 - 3:43 PM

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they are myrmecina americana

 

What is your reasoning?

 

http://www.antwiki.o...ecina_americana

 

that's exactly what they look like. the first pic


Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

https://www.youtube.com/MichiganAnts

https://twitter.com/MichiganAnts

https://www.facebook.com/MichiganAnts/

 

Keeper of:

 

camponotus nearcticus x3

 

camponotus pennsylvanicus x3

 

camponotus noveboracensis x2

 

pheidole bicarinata x1

 

temnothorax longispinosus x1


#12 Online Batspiderfish - Posted April 20 2017 - 3:58 PM

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they are myrmecina americana

 

What is your reasoning?

 

http://www.antwiki.o...ecina_americana

 

that's exactly what they look like. the first pic

 

 

The proportions of the head and the size/position of the eyes tell me this is not Myrmecina. You might have trouble finding their second set of propodeal spines as well. Myrmecina are smaller than Myrmica, although we don't have a measurement.

 


Edited by Batspiderfish, April 20 2017 - 4:01 PM.

Black lives matter.

#13 Offline MichiganAnts - Posted April 20 2017 - 3:59 PM

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they are myrmecina americana

 

What is your reasoning?

 

http://www.antwiki.o...ecina_americana

 

that's exactly what they look like. the first pic

 

 

The proportions of the head and the size/position of the eyes tell me this is not Myrmecina. You might have trouble finding their second set of propodeal spines as well.

 

 

the gaster is spot on and they do have the spines. ill upload some macros i took


Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

https://www.youtube.com/MichiganAnts

https://twitter.com/MichiganAnts

https://www.facebook.com/MichiganAnts/

 

Keeper of:

 

camponotus nearcticus x3

 

camponotus pennsylvanicus x3

 

camponotus noveboracensis x2

 

pheidole bicarinata x1

 

temnothorax longispinosus x1


#14 Offline MichiganAnts - Posted April 20 2017 - 4:01 PM

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2Woc2K1.jpgRPVvoAb.jpg50d3DES.jpgcGetciD.jpgErulv6i.jpg


Owner of MichiganAnts, a YouTube Channel dedicated to all my Michigan colonies found and raise in my backyard

https://www.youtube.com/MichiganAnts

https://twitter.com/MichiganAnts

https://www.facebook.com/MichiganAnts/

 

Keeper of:

 

camponotus nearcticus x3

 

camponotus pennsylvanicus x3

 

camponotus noveboracensis x2

 

pheidole bicarinata x1

 

temnothorax longispinosus x1


#15 Online Batspiderfish - Posted April 20 2017 - 4:08 PM

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Myrmecina have two sets of propodeal spines (4 spines total). Myrmica, and many other myrmicine ants have one set of propodeal spines (2 total).

The gaster is not a diagnostic for either of these ants.


Black lives matter.

#16 Online LC3 - Posted April 21 2017 - 12:19 AM

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These pictures are pretty poor in quality but in the first and second picture of the second post you can see a queen and its mesosoma is clearly covered in lots rugae, as well as being quite slender.

To my knowledge Myrmecina have a smooth back with a wide plate, whereas Myrmica have a slender oval plate covered in rugae. 

 

I say it is Myrmica.


Edited by LC3, April 21 2017 - 12:20 AM.

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