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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


Attached File  Camponotus sp 1.jpg   635.03KB   1 downloads

Attached File  Camponotus sp 2.jpg   258.31KB   1 downloads

Attached File  Campo 3.jpg   389.43KB   1 downloads

[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  :( 


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.
(x1) Campontous semitstaceus ~20 workers, 1 Queen
(x1) Pheidole californica ~200 workers, 4 Queens
(x1) Camponotus vicinus ~a batch of pupae and 3 workers.

A bunch of fish ~50 fish

Ants Wanted:
Myrmecocystus sp. and Acromyrmex sp.

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


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

Colonies:(Nylanderia vividula, Lasius cf. americanus, B. patagonicus) Founding queens:(Camponotus hyatti/sayi, Temnothorax nevadensis, Pheidole navigans, Solenopsis sp. 1, Solenopsis sp.2, Monomorium cf. minimum, Pogonomyrmex californicus.


Ants I would like to acquire soon: Acanthomyops, Lasius brevicornis, Stigmatomma pallipes or oregonense, Camponotus vicinus, Camponotus fragilis, Myrmecocystus navajo, Myrmecocystus semirufus/mimicus, Formica perpilosa, Formica aserva, Formica argentea, Liometopum luctuosum, Manica bradleyi or invidia, Temnothorax nevadensis, and a Myrmica sp


Lets pretend that my profile picture is not sideways.


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