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Last Updated 2002.06.10
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AUTHORS FAQ NAVIGATION
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Phillip Pi y Ant The Ant Farm
Randy Rencsok y Mr. Ant AntCam
Andre Schmidt y Jinei Myrmecology
James Trager y Dr. Ant
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6.2 How do I get rid of them?

The first weapon in your arsenal should be information. Hence,
you will need the following information before deciding on a
course of action:

* Identify whether ants are workers or queens. If queens, simply 
  collect and kill/relocate her -- as they are probably looking
  for homes off nuptual flight. Make sure to close off all entry
  points to eliminate future problems.
* If ants are workers, then try to track them to where they nest.
  This is to determine if they are foraging inside the house or
  actually are nesting there. This makes a huge difference as to
  which methods will be more successful than others.

Once you have this information. The following are various methods 
which may eliminate them.

* If ants are nesting outside and only foraging for food or water 
  inside, simply eliminate the food or water source. Either fix 
  dripping faucets or secure food sources in sealed containers, 
  cleaning cupboards, etc. Generally in these cases, it is easier 
  to control the food source than to control the ants by killing 
  them via various methods.

If ants are found to be nesting in the house structure.

* Baiting. I have heard conflicting reports about how successful
  baiting is. Some have had complete success and others claimed
  none at all.
* Poisons or professional extermination. In the cases when ants
  are foraging. I have heard this can work well in conjunction
  with cutting off food supply. Frankly, I believe simply cutting 
  off food supply is the main reason ants do not come back -- not
  the poison. If the ants are residing in the house, then poisons 
  can work. I personally do not like the idea of filling my walls
  with a poison which I'll have to live with the rest of my life.
* Attrition. This is the method I have used reasonably well. One 
  simply puts out bait (poisoned or non-poison) to catch workers. 
  Carpenter ant colonies usually only have workers which numbers 
  in the thousands. Often I check my trap (a jar with bait in it) 
  and simply kill, In my case, I capture and imprision until the 
  colony dies by attrition. This method takes a lot of time, but
  it is the most environmentally friendly way to remove ants 
  without resorting to removing walls. This has worked in my 
  house two times now with carpenter ants. Eventually the queen 
  is forced to leave the nest due starvation. All I know is that 
  the colonies were evetually gone after I captured/killed a few 
  hundred or thousand workers.
* I have heard of people using cinnamon around entry points. Also 
  one can simply cultivate a lot of spiders here and there -- 
  though this will not for certain work. If they are foraging, 
  closing entry points physically (with caulk etc.) can help. 
  Elimination of foraging rewards is best.
* If a colony lives in a house and doesn't yield to other
  methods, then the best and environmentally friendly way of
  removing them is simply to remove their nest from the house
  physically. Often this section is rotting or damp and will need
  to be replaced or repaired anyway because of weakening due
  weather or ants tunnelling. In these cases, removal is the most
  certain way to eliminate the colony since colony disruption is
  massive. If done properly, then a queen capture can be assured.
* In the case where colonies are looking for temporary nest due 
  to flooding/fire etc., almost every normal method of removal 
  fails simply because the number of colonies being dealt with is 
  much greater than one. The best method for extermination is to
  actually provide better home(s) than your home for the refugee 
  ants. By doing this, one simply encourages ants to move into
  the homes you've provided which are readily transportable. Once 
  residence is established, one can remove them easily. Or you
  can destroy them. In effect, you are creating a friendly home
  trap where by you can simply remove the ants by removing their
  temporary homes. I have suggested to people to try cardboard
  boxes, with alternating layers of soil (for soil species) and
  corrogated cardboard (nice open homey spaces premade). When
  your ant refugee homes are created, bait them with something
  the ants like. Eventually if the refugees like your new homes,
  you will see columns of ants moving in with the whole brood and
  the queen. Once they are done moving in you can safely remove
  them knowing the whole colony is gone.

--Mr. Ant