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Showing posts with label ants. Show all posts
Showing posts with label ants. Show all posts

Thursday, June 30, 2011

smooth harvester ant ~ 06/30/11 ~ Fort Ord

best guess smooth harvester ant
best guess Messor andrei

This is my best guess, seeing as how my attempt to get a close-up shot resulted in an ant's eye view and not much detail. Another possibility would be the rough harvester ant (Pogonomyrmex rugosus). These ants serve as a major food source for the coast horned lizard. While searching for information, I found these two blogs to have great information: Myremecos "North American Ants" and Wild About Ants "Objects on Harvester Ant Mounds".

Friday, May 20, 2011

odorous house ant ~ 05/20/11 ~ at home

best guess odorous house ant
best guess Tapinoma sessile
for more information click here and here

Andy was having problems getting internet connection, so we checked behind our desks to inspect the cable modem and router. Surprise! A small ants' nest had formed on a warm power brick.

We turned off our computers, unplugged the power strip, and moved everything possible away from the wall without disturbing the nest. I took an old hand towel and a large bowl full of hot H2O with Dawn dish soap. I squeezed out the liquid from the towel, and then, as quickly as I could, I smothered, smooshed, and wiped up the ants and eggs. This took numerous attempts to get all the ants, which immediately went into a frenzied alarm mode of carrying eggs and scurrying everywhere with their butts in the air. Our office reeked of formic acid, a name derived from ants (family: Formicidae) which give off a slightly sweet and distinctive odor. With fresh soap solution and towel, I scrubbed the rug, wall, and all the electrical cords and let them air dry.

I also found a second nest on another warm power brick to my printer. The nests must have formed within the previous week, because I had just cleaned the area near my printer. Interestingly enough, it had rained 05/14-05/18/11. The last information link below the ID above is from Stanford, and it claims rain brings in the Argentine ants (Linepithema humile). While T. sessile is a different species, they, too, like to come in from the rain. I believe the point of entry was where the cable entered the office from outside, so I caulked all around the cable and wall plate. We haven't seen an ant in the office since, but it's only rained one day in June since then. Plus, our internet connection booted right up, which may have been due to a brief power outage from the storm and not the ants' nests.