Posted by Barbara on 11:52:15 6/21/2011 from 126.96.36.199:
I noticed a swarm of winged ants crawling on the trim of the garage door a few weeks ago--I have never seen these before. I threw some diatomaceous earth at them and they disappeared. Then some of them returned yesterday--they were outdoors in the corner where the overhanging eave outside the garage meets the garage door wall. There's a plastic soffit over the original wood and I'm wondering if it's hiding a nest of some type of ants. There are also many ants traveling to and from the ground outside the garage and a live tree about 12 feet from the garage. There are no ants crawling on the garage walls outside or inside, only flying ants outside (not very many now but some) and the ants on the ground. There are also generally no ants in the house though I saw a few of the flying ants in a light fixture in the ceiling of the closet above the garage on the same day as the original swarm but not since. I saw what I called 'frass' on the ground inside and outside of the garage but the exterminator says it doesn't look like carpenter ant frass but more like spider webs mixed with other materials such as leaf debris. I do have lots of spiders in and under the house in the crawlspace but I'm most concerned about the ants. He suggested that he apply Maxxthor SC to the walls around the perimeter of the whole house, and the windows too (he said to wait until he applies the chemicals before washing the windows because it will get on the windows--I assume he means it will splash onto them). He said this would take care of the spiders and many other insects. I'm concerned about the health and environmental effects of using such a powerful chemical. I'm concerned that the chemicals will penetrate into the house through the crawlspace. Also, my house is only a few feet (about 8)from a stream that runs directly into the lake across the street that is used for our municipal drinking water. The exterminator said that the Maxxthor SC will dry in a few hours and shouldn't pose any health problems. He is licensed to use this and lives near the lake himself.
Just a little more info--I am having very old wooden piers under the crawlspace of the house replaced with concrete and one of them had powderpost beetle damage but no active beetles.
Do you think it is necessary and safe to use the Maxxthor SC or do you have any other recommendations?
Thanks for your help. I'm feeling quite stressed about this.
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