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Western New York, 9/12/17 ID request.


Best Answer Nathant2131 , September 12 2017 - 12:20 PM

Lasius umbratus queen.

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9 replies to this topic

#1 Offline CNewton - Posted September 12 2017 - 12:15 PM

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1: Location: Western New York
2: Date: 9/12/17
3: Habitat: Hardwood forest
4: Length: 7mm
5: Color: Black and shiny
 
It has a smallish gaster, when I collected it I thought it was a Lasius parasite. After closer examination, I'm going to guess Crematogaster. (?)
 
 
cremant

 



#2 Offline Nathant2131 - Posted September 12 2017 - 12:20 PM   Best Answer

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Lasius umbratus queen.



#3 Offline ultraex2 - Posted September 12 2017 - 12:24 PM

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You were correct on your first ID.

 

Crematogaster have bigger gasters and another petiole node / longer petiole node area.

 



#4 Offline Nathant2131 - Posted September 12 2017 - 12:35 PM

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Crematogaster will have pointy gasters as well, even the queens.



#5 Offline Reevak - Posted September 12 2017 - 12:54 PM

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This is the one I caught 2-3 hours ago


Edited by Reevak, September 12 2017 - 12:54 PM.


#6 Offline ultraex2 - Posted September 12 2017 - 1:18 PM

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This is the one I caught 2-3 hours ago

 

Definitely Crematogaster.



#7 Offline CNewton - Posted September 13 2017 - 12:43 AM

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Thanks everyone. When I got home, i wandered the yard and noticed dead alates on my hottub cover. Maybe half dozen or so Crematogasters covered it. The must have flown earlier and baked on the hot cover. I checked around and found 2 wandering the patio! Dumped the umbratus. Grabbed another Myrmica and a few molestas. I can count confirm 7 species flew here these last 2 days.

#8 Offline Formicarius - Posted September 13 2017 - 1:41 AM

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Its a Lasius parasite spec. Your first guess was right.



#9 Offline CNewton - Posted September 13 2017 - 9:13 AM

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crem


#10 Offline Reevak - Posted September 13 2017 - 11:07 AM

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Definitely Crematogaster.


I know mine is, I was just showing them what one looked like




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