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worker ID please - Mt Baldy, CA 5-18-19

white stripes

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#1 Offline nikkubus - Posted May 18 2019 - 6:05 AM

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1. Location of collection: off mountain trail

2. Date of collection: 5/18/19
3. Habitat of collection: general area is sage brush mostly, but these were in a shaded area with a lot of pieces of sticks, bark, and semi-moist dirt near a stream
4. Length: ~8 mm
5. Coloration, hue, pattern and texture: black head and legs, golden-orange thorax with golden stripes, black with white stripes on abdomen
6. Distinguishing characteristics: I didn't have a magnifying glass, nor a very high quality camera but it appears the thorax has 5 segments, tapering larger towards head and smaller towards abdomen. abdomen appears to have 4 segments, three being large and the last being small. The color/pattern seems like it is pretty distinguishing to me.
7. Anything else distinctive: not that I noticed
8. Nest description: I didn't see the actual entrance, but I'm pretty sure it's under leaves/twigs, without any mounding.

9. Nuptial flight time and date: not sure

10 . Post the clearest pictures possible of the top, side, and face of the ant in question, and if possible, their nest and the habitat they were collected in.

 

BAoQ7tS.jpg

 

I find them rather striking, hoping to get an ID so I can research nuptial flight timing on them or find one for sale in SoCal.


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4 c. sansabeanus
1 c. vicinus


#2 Offline TennesseeAnts - Posted May 18 2019 - 6:40 AM

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Liometopum sp. There are 2 in California.
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#3 Offline AntsBC - Posted May 18 2019 - 8:42 AM

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Liometopum occidentale


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My Active Journals:

 

Formica pacifica

Formica planipilis (Parasitic sp.)

 

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#4 Offline gcsnelling - Posted May 18 2019 - 9:56 AM

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Yup, L. occidenale


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#5 Offline TennesseeAnts - Posted May 18 2019 - 10:01 AM

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I knew it was Liometopum, just not sure on the species. :lol:

#6 Offline ponerinecat - Posted May 18 2019 - 4:35 PM

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really aggressive and have huge foraging trails, spray lots of formic acid.



#7 Offline NickAnter - Posted May 20 2019 - 5:09 PM

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I did not think that Dolichoderines could spray formic acid.

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). 


#8 Offline Mdrogun - Posted May 21 2019 - 5:53 AM

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I did not think that Dolichoderines could spray formic acid.

They can't. Some Dolichoderinae species have other secretions that appear similar to formic acid, however. Such as is the case with Tapinoma sessile and Linepithema humile.


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Currently Keeping:
Trachymyrmex septentrionalis

Pheidole pilifera

Forelius sp. (Monogynous, bicolored) "Midwestern Forelius"
Crematogaster cerasi

Pheidole bicarinata

Aphaenogaster rudis

Camponotus chromaiodes

Formica sp. (microgena species)

Nylanderia cf. arenivega


#9 Offline ponerinecat - Posted May 21 2019 - 4:18 PM

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Oh. It smells really strongly though.







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