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What type of Camponotus? SE Alberta

Started By sweetgrass , Oct 20 2018 10:22 AM

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32 replies to this topic

#1 Offline sweetgrass - Posted October 20 2018 - 10:22 AM

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I found a colony inside a piece of wood I was splitting.

 

This is a semi arid environment here - I live in an irrigated farmland area here.

 

In my yard in SE Alberta and extracted the whole colony.

 

Would like to know what exactly they are.

 

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UddCwoG.jpg

 

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YWfEcfM.jpg


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#2 Offline sweetgrass - Posted October 20 2018 - 11:04 AM

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Camponotus novaeboracensis I am thinking

#3 Offline TennesseeAnts - Posted October 20 2018 - 12:20 PM

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I think Camponotus hyatti. How long is the queen (in millimeters)?

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#4 Offline sweetgrass - Posted October 20 2018 - 2:30 PM

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The queen is buried 8 deep in the test tube.
She isn’t huge.

If I see her I will try to see her length

#5 Offline sweetgrass - Posted October 20 2018 - 2:33 PM

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I looked up Hyatti. I am a couple thousand miles from the Pacific coast. Not sure they are around here in this semi desert ????

#6 Offline sweetgrass - Posted October 20 2018 - 2:40 PM

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Hmmm. Someone earlier thought vicinus. Could be that too

#7 Offline YsTheAnt - Posted October 20 2018 - 4:53 PM

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We need measurements of the workers to know what they are.

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#8 Offline sweetgrass - Posted October 20 2018 - 6:16 PM

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Ok. I will work on that on Monday

#9 Offline LearningAntz - Posted October 20 2018 - 6:22 PM

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I think Camponotus hyatti. How long is the queen (in millimeters)?


Doesn’t exist in Alberta. Couldn’t be that species.
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#10 Offline TennesseeAnts - Posted October 20 2018 - 9:29 PM

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I think Camponotus hyatti. How long is the queen (in millimeters)?


Doesn’t exist in Alberta. Couldn’t be that species.


I was afraid of that. (I am only familiar with ants in the U.S.)

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#11 Offline Antics - Posted October 21 2018 - 11:41 AM

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I found two species in Alberta but I can't narrow it down further for you.

(Assuming they are Camponotus)
C. herculeanus (Linnaeus)
C. noveboracensis (Fitch)
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#12 Offline sweetgrass - Posted October 21 2018 - 7:20 PM

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Thank you. I have an identified C hurculeanus. These new ones are not them

Definitely could be the novaeboracensis or vicinus
I will measure some workers tomorrow.

#13 Offline Ferox_Formicae - Posted October 22 2018 - 6:32 AM

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Judging on the shape and angle the propodeum points at, these are Camponotus novaeboracensis.


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Camponotus chromaiodes, Camponotus nearcticus, Stigmatomma pallipes, Strumigenys brevisetosa, Strumigenys clypeata, Strumigenys louisianae, Strumigenys membranifera, Strumigenys reflexa, Strumigenys rostrata

 

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#14 Offline Ferox_Formicae - Posted October 22 2018 - 2:41 PM

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Oops, I just looked at them a little closer and now I notice that the propodeum sticks further back than I originally thought and they are much shinier. The pronotum is also much more slender. I should have known as I have seen Camponotus novaeboracensis before ant they look completely different from these!


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#15 Offline LearningAntz - Posted October 22 2018 - 3:19 PM

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Oops, I just looked at them a little closer and now I notice that the propodeum sticks further back than I originally thought and they are much shinier. The pronotum is also much more slender. I should have known as I have seen Camponotus novaeboracensis before ant they look completely different from these!


If it’s not Camponotus novaeboracensis then it’s Camponotus vicinus. It’d be far easier to identify if the queen were visible. That’d be the best way to confirm.

#16 Offline sweetgrass - Posted October 22 2018 - 6:11 PM

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6rhVkcl.jpgPic of winged queen when I first caught them.  She has removed them now

 

i'm checking my first post to see if I have a pic of the queen


#17 Offline sweetgrass - Posted October 22 2018 - 6:13 PM

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26g4xAe.jpg

This worker is 3 mm long


#18 Offline Ferox_Formicae - Posted October 22 2018 - 7:22 PM

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Definitely Camponotus vicinus.


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Camponotus chromaiodes, Camponotus nearcticus, Stigmatomma pallipes, Strumigenys brevisetosa, Strumigenys clypeata, Strumigenys louisianae, Strumigenys membranifera, Strumigenys reflexa, Strumigenys rostrata

 

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#19 Offline TheRealAntMan - Posted October 22 2018 - 7:24 PM

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Judging on the shape and angle the propodeum points at, these are Camponotus novaeboracensis.

Camponotus Novaeboracensis has a distinctive dark blood red, maroon coloring on the mesonotum, pronotal, and parts of the propodeum and mesopleuron areas. These ants mesosoma's are much lighter. I'm thinking this is Camponotus Vicinus.


An ants' strength can be rivaled by few animals compared to their relative body size
 

 

#20 Offline YsTheAnt - Posted October 22 2018 - 8:36 PM

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How large are the workers? It might be a myrmentoma species...

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