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Brentwood, Contra Costa Co., Calif., USA - 29 June 2020


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#1 Offline Spencer70 - Posted June 29 2020 - 5:15 PM

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  • LocationBrentwood, Calif. USA

1.Collected at Brentwood, Contra Costa County, Calif, USA (37.921160, -121.754260)
2. Collected 23 September 2019
3. School campus is surrounded by mostly grassland with some scattered oak trees and some active agricultural land nearby (crops are generally wheat and rapeseed) 
4. Length (from head to gaster): 17mm; [worker ~8mm]
5. Color, hue, pattern and texture: Very dark brown head and thorax, orange-ish abdomen that gets darker in terminal abdominal segments. Worker is generally dark brown but the thorax is very slightly lighter in color compared to the head and abdomen.
6. Distinguishing characteristics: nothing noted
7. Distinguishing behavior: nothing distinguishing observed
8. Nest description: not observed

9. Nuptial flight time and date: not observed

 

Camponotus sp 1.jpg

Camponotus sp 2.jpg

Campo 3.jpg


[Images of ant]
 
[Images of nest]
 
[Images of habitat]


Spencer Holmes

Brentwood, Calif.

 

Just starting in this hobby...

One Camponotus quercicola colony

One Liometopum occidentale colony


#2 Offline Antkid12 - Posted June 29 2020 - 5:42 PM

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Camponotus sp.

Ants I have: Tapinoma sessile(2 queen colony). RED MORPH Camponotus neacticus(now has pupae!), Tetramorium immigrans (x3), Aphaenogaster sp, Temnothorax sp, Brachymyrmex sp.   possibly infertile   :(,  Ponera pennsylvanica, and Pheidole morrisi!  :yahoo: 

 

Other insects: Polistes sp. Queen

                    

Ants I need: Pheidole sp., Trachymyrmex sp., Crematogaster cerasi , Dorymyrmex sp. Most wanted: Pheidole morrisii

 

                    

                   

 

 


#3 Offline TechAnt - Posted June 29 2020 - 5:54 PM

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Looks like Campontous Semitstaceus.
My Ants:
(x1) Campontous semitstaceus ~20 workers, 1 Queen
(x1) Camponotus vicinus ~10 workers, 1 Queen (all black variety)
(x1) Tetramorium immigrans ~100 workers, 1 Queen
(x1) Myrmercocystus mexicanus -1 Queen
(x2) Mymercocystus mimcus -1 Queen
(x1) Mymercocystus testaceus ~45 workers, 1 Queen

#4 Offline NickAnter - Posted June 29 2020 - 6:09 PM

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Camponotus semitestaceus. Up North they fly late in the year.


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). 





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