a Fire Ant Colony excavation
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Uploaded by wirthstef on Oct 28, 2010
To become able to study actions within a fire ant colony, workers and alates need to be excavated from nests in the field and finally separated from the dirt around. This was performed by flooting the material with water, what separates ants and dirt: The whole ant colony will swim as a crawling mass on the water surface, from where it can be placed into the final observation box.
Um die Biologie eines Feuerameisenvolkes untersuchen zu können, ist es notwendig, eine Kolonie aus dem Freiland "auszugraben". Hierzu wird ein Ameisenhügel mit einem zügigen Spatenstich ausgegraben und in einen Wassercontainer verbracht. Durch langsames Fluten des Substrates werden "Schmutz" und Ameisen voneinander getrennt: Die Ameisen schwimmen zuletzt als ein waberndes Knäul auf der Wasseroberfläche, von wo sie abgeschöpft und in das entgültige Beobachtungsgefäß verbracht werden.
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How do you keep them from climbing the aquarium net handle and reaching your hand?
pyr0static 3 months ago
@pyr0static Hi, thanks for your comment. You can cover the aquarium walls with baby powder or better liquid teflon. You can probably also try using paraffin oil (I never tried this...)...
wirthstef 3 months ago
@wirthstef Thank you for the reply. I was actually wondering how to keep the ants from climbing the handle of the net and reaching your hand as you are transferring them between boxes. I actaully have a mature colony of these myself, and find liquid teflon to be very effective in containing them. Would applying it to a handle work too? I've never tried it.
pyr0static 3 months ago
@pyr0static Sorry, I misunderstood your question. Now I see, what you mean. I do not remember, how exactly I did it, I kept them for a research project in 2009, but now not any more. Transferring them from the water container to the aquarium wasn't too difficult without all kind of protection. On the water surface, the colony became a ball-shaped crawling mass. By acting fast with a aquarium net, I got only a few stings... take care that the teflon in the new aquarium does not become wet ...
wirthstef 3 months ago
@wirthstef Ah I see. So basically just working quickly. I've been trying to figure out how to "ant-proof" such kinds of tools. I think drilling a hole in the center of a small fluon coated plexiglass disc and sliding the handle of a tool thru it, then sealing with hot glue or something similar could be an effective ant barrier. Just a thought I had.
pyr0static 3 months ago
@pyr0static sounds complicated, but interesting. Just try it. I sometimes instead of a fishing net used a metal soup filter. You can cover the grasp with something, but ants seem not to be very motile on clean metal surfaces.
wirthstef 3 months ago