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Ant ID (Pasadena, CA) (3-28-2015)


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#1 Offline Foogoo - Posted March 28 2015 - 8:16 PM

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1. Location of collection: Arroyo Seco Creekbed, Pasadena, CA
2. Date of collection:  3-28-2015.
3. Habitat of collection:  Sandy, dry creek
4. Length (from head to gaster):  ~4 mm.
5. Color, hue, pattern and texture:  Black
6. Distinguishing characteristics: Pointed gaster
7. Anything else distinctive: 
8. Nest description: Half-mound (similar to Pogonomyrmex)

 

IMG 20150328 104040~01
vlcsnap 2015 03 28 20h44m19s219
vlcsnap 2015 03 28 20h45m47s80
vlcsnap 2015 03 28 20h48m04s174
vlcsnap 2015 03 28 20h48m41s23

 


Camponotus vicinus, Crematogaster 1, Crematogaster 2, Formica francoeuri, *, *, Myrmecocystus testaceus, Novomessor cockerelli, Pheidole hyatti, Pogonomyrmex californicus, Pogonomyrmex rugosus, Solenopsis invicta


#2 Offline Gregory2455 - Posted March 28 2015 - 10:15 PM

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Myrmecocstus?



#3 Offline dspdrew - Posted March 28 2015 - 10:19 PM

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That's what I'm thinking. Something in the Eremnocystus subgenus. I've probably seen the same species before along the San Gabriel River.

 

http://www.antwiki.o...us_Eremnocystus



#4 Offline Foogoo - Posted March 29 2015 - 10:35 AM

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Hm interesting. Thanks!


Camponotus vicinus, Crematogaster 1, Crematogaster 2, Formica francoeuri, *, *, Myrmecocystus testaceus, Novomessor cockerelli, Pheidole hyatti, Pogonomyrmex californicus, Pogonomyrmex rugosus, Solenopsis invicta


#5 Offline gcsnelling - Posted March 31 2015 - 3:58 AM

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Definitely Eremnocystus, not sure which one though.






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