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Aphaenogaster sp. confirmation?


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16 replies to this topic

#1 Offline m99 - Posted August 10 2021 - 11:56 AM

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This little lady just walked right up to me in my attic apartment about an hour ago. Getting pictures of her was hilarious, she really had the zoomies until I managed to smear a little Sunburst in there and keep her still enough for the last shot. It was at least comforting to know she hadn't been hurt after having to be flicked into the tube to save her from my cat's interference hah.

 

To my first-year totally amateur eyes, this seems like a classic Aphaeongaster, no? Given the details below, I have to assume Picea?

 

Location: Catskills/Hudson region NY

 

Size: Hard to measure Ms. Zoomies but looks around 8-11mm. A little bigger than my tetramorium queens.

 

Notable: Those petioles, and then in one of the pics you can clearly see whatever you call the spiky bits on the end of her thorax? Both seem to match with Picea pictures, plus the body carriage seems pretty distinct even to a noob like me.

 

So, if she is as expected, do you think she'd be happiest in just a basic tube setup (eventually to be connected to AC tube portal for young feeding until formicarium?) or the spare Por Amor apartment I have? Care sheets mention a strong preference for humid/dry zones in the nest, and the Apartment has a grouted inner chamber (high humidity) and a non-grouted outer chamber that can be used to extend the nest that's dryer, so I wondered.

 

Thanks for your help!

 

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Edited by m99, August 10 2021 - 11:57 AM.


#2 Offline Kaelwizard - Posted August 10 2021 - 12:06 PM

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100% Aphaenogaster, but I don't know about species.


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#3 Offline m99 - Posted August 10 2021 - 12:15 PM

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Once I get her into her (slightly) clearer AC test tube, what angles/body parts would be best for confirming species?



#4 Offline NickAnter - Posted August 10 2021 - 12:28 PM

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Please ignore my apparent inability to distinguish a V from a Y.

Edited by NickAnter, August 10 2021 - 12:33 PM.

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Hi there! I went on a 6 month or so hiatus, in part due, and in part cause of the death of my colonies. 

However, I went back to the Sierras, and restarted my collection, which is now as follows:

Aphaenogaster uinta, Camponotus vicinus, Camponotus modoc, Formica cf. aserva, Formica cf. micropthalma, Formica cf. manni, Formica subpolita, Formica cf. subaenescens, Lasius americanus, Manica invidia, Pogonomyrmex salinus, Pogonomyrmex sp. 1, Solenopsis validiuscula, & Solenopsis sp. 3 (new Sierra variant). 


#5 Offline m99 - Posted August 10 2021 - 12:31 PM

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OOH! Not a picea? Exciiiiiting! They're literally flying coast to coast today, huh?

 

What's the distinguishing features for you on that ID?


Edited by m99, August 10 2021 - 12:31 PM.


#6 Offline NickAnter - Posted August 10 2021 - 12:32 PM

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Oh NVM. I thought this was NV, not NY...
Could be one of a couple species then.
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Hi there! I went on a 6 month or so hiatus, in part due, and in part cause of the death of my colonies. 

However, I went back to the Sierras, and restarted my collection, which is now as follows:

Aphaenogaster uinta, Camponotus vicinus, Camponotus modoc, Formica cf. aserva, Formica cf. micropthalma, Formica cf. manni, Formica subpolita, Formica cf. subaenescens, Lasius americanus, Manica invidia, Pogonomyrmex salinus, Pogonomyrmex sp. 1, Solenopsis validiuscula, & Solenopsis sp. 3 (new Sierra variant). 


#7 Offline m99 - Posted August 10 2021 - 12:40 PM

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Oh haha, even still. I suppose it doesn't affect the care either way, maybe I'll get more pictures clearer on that can help nail down an ID.

 

*edit* Either way, she's loaded to the gills with Sunburst and most definitely fertile and eager to lay in her final claustral tube, hooray. Here's hoping for a healthy batch of nanitics before hibernation season starts setting in!

20210810 170355 (1)
20210810 170548 (1)

Edited by m99, August 10 2021 - 1:20 PM.


#8 Offline Kaelwizard - Posted August 10 2021 - 2:39 PM

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When I lived in MI Aphaenogaster queens laid eggs before hibernating so hopefully it will be the same for you.
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#9 Offline m99 - Posted August 10 2021 - 2:48 PM

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Phew that's good news. We've still got a solid 60 days of good temperatures even overnight here, so I'd hope so. She was definitely very focused on cleaning her business end even in the capture tube, which is what my tetramorium girls all did who were laying within 48 hours.

 

I've got her in a separate box with a tantruming carpenter queen now so I'll properly leave them alone for at least 3-4 weeks and hopefully spy plenty of brood once I check!



#10 Offline AntBoi3030 - Posted August 10 2021 - 2:54 PM

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Maybe rudis I caught a bunch of these here a month ago.

Attached Images

  • 97A61C8F-749A-4418-AFD7-4E731D655929.png

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My favorite queens/colony’s:
Pheidole Tysoni, Selonopis Molesta, Brachymyrmex Depilis, Tetramorium Immagrians, Prenolepis Imparis, Pheidole Bicirinata 


#11 Offline m99 - Posted August 10 2021 - 3:32 PM

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Maybe rudis I caught a bunch of these here a month ago.

 

How much red undertone would you say yours have? It was hard to get a close look at mine since, but I definitely didn't see any signs of it, and that seems like a common sign of Rudis? At least based on google pics. But they all look the same at the end of the day outside a microscope lol oi



#12 Offline AntBoi3030 - Posted August 10 2021 - 4:52 PM

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They’re barely dark red super close to brown. They do have similar gastors to rudis. Here’s better pictures

Attached Images

  • 29C9A639-C290-43EC-9B60-7FE9958D1894.png
  • B481D54E-40BF-4406-88C9-D86717157CA4.png

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My favorite queens/colony’s:
Pheidole Tysoni, Selonopis Molesta, Brachymyrmex Depilis, Tetramorium Immagrians, Prenolepis Imparis, Pheidole Bicirinata 


#13 Offline m99 - Posted August 10 2021 - 6:26 PM

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Oh yeah that could be a definite possibility. Shame I only found the one, I guess seeing how a few queens reacted to being housed together might have helped narrow things down a bit. I'm guessing workers have a few more differentiating features that'll make it easier to get an ID? Hopefully.



#14 Offline Kaelwizard - Posted August 10 2021 - 6:30 PM

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I’ve heard that A. rudis might be a species complex but I’m not sure if this is true.
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#15 Offline m99 - Posted August 10 2021 - 7:29 PM

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Ah! Antwiki says picea and rudis can be distinguished by slight lightening of the antenna's tip-most segment in picea, vs. single shade in rudis. The queen pics google gives me seem to hold that out.

 

AND I was just showing a friend a pic I got of my queen where you could see the texture of her antenna very clearly which I thought was cool...

 

Hmm. Well, this is definitely lightening at the tip, but I feel like it could just be thinner body tissue being backlit toward the tip, too. Though I guess if it were as heavily pigmented it wouldn't lighten so much?

 

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Aha! No, it's definitely lighter, confirmed in other photos but can see it most clearly here.

 

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Alright, that's good enough for me. Who am I to contradict the wiki the ants wrote themselves after all?  :D  Picea it is!


Edited by m99, August 10 2021 - 7:30 PM.


#16 Offline m99 - Posted August 15 2021 - 12:22 AM

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Eggs! I'm sure she'll probably eat them now that I peeked, but at least I know she's fertile lol. I'll probably add her to my ongoing journal if she's still going strong next time I check.



#17 Offline AntBoi3030 - Posted August 15 2021 - 5:33 AM

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I think I caught some a. Rudis last night this is probably picea
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My favorite queens/colony’s:
Pheidole Tysoni, Selonopis Molesta, Brachymyrmex Depilis, Tetramorium Immagrians, Prenolepis Imparis, Pheidole Bicirinata 





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