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Worker ID - St. Louis, MO 6/28/17


Best Answer Nathant2131 , June 28 2017 - 1:40 PM

Aphaenogaster sp.

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#1 Offline BMM - Posted June 28 2017 - 1:38 PM

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1. Location of collection: Just south of St. Louis
2. Date of collection: 6/28/17
3. Habitat of collection: Crawling around at the edge of a driveway
4. Length (from head to gaster): 4 mm
5. Color, hue, pattern and texture: Brownish orange, lighter at the tip of the gaster
6. Distinguishing characteristics: Two petioles, very small hairs on the gaster, two small spines
7. Distinguishing behavior: None
8. Nest description: Not sure

 

I caught this worker poking around a Tetramorium nest. I don't believe I've ever seen this particular type of worker before.

 

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0628071616

 



#2 Offline Nathant2131 - Posted June 28 2017 - 1:40 PM   Best Answer

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Aphaenogaster sp.


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#3 Offline BMM - Posted June 28 2017 - 5:46 PM

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Yeah, that looks right. I've never seen any of them around before, which is interesting. I wonder where they've set up their nest.



#4 Offline Nathant2131 - Posted June 29 2017 - 3:56 AM

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Yeah, that looks right. I've never seen any of them around before, which is interesting. I wonder where they've set up their nest.

An easy identifier for this genus is to look at the mesosoma in profile; Notice the very steep declivity. This can even be seen with the naked eye.






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