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Susieq,

The quick answer is an insect that actually gouges its way into the trunk. If you ever see a round hole going into the trunk, you've got a borer. Luckily, malathion, sevin, and other all-around pesticides seem to do the trick. I was so mad at the little varmint I let him have a chemical cocktail (several types)!!! Have you ever seen the holes "bumble bees" make in wood? It's a very similar round hole, but in my case, less than .25 inches in diameter.
I think elms are no more prone for attack than any other species, but for some reason, they like this tree (maybe the dead wood).

Just keep an eye out for the holes. I've never caught one "in the act" of making the entry.

John

12-Apr-2004	#4
John Dixon Air Assault All The Way. Join Date: Mar-2004 Location: Huntersville, NC (near Charlotte) Country: USA USDA Zone: 7-8 AHS Heat Zone: 7 Posts: 1,681	Susieq, The quick answer is an insect that actually gouges its way into the trunk. If you ever see a round hole going into the trunk, you've got a borer. Luckily, malathion, sevin, and other all-around pesticides seem to do the trick. I was so mad at the little varmint I let him have a chemical cocktail (several types)!!! Have you ever seen the holes "bumble bees" make in wood? It's a very similar round hole, but in my case, less than .25 inches in diameter. I think elms are no more prone for attack than any other species, but for some reason, they like this tree (maybe the dead wood). Just keep an eye out for the holes. I've never caught one "in the act" of making the entry. John __________________ John Dixon Si vis pacem parabellum Stay off the trails of others, that's where the booby-traps are.