Posted by Ian on 21:31:36 8/26/2009 from 22.214.171.124:
Last year, and again this, a large solitary (possibly red) insect that looks like a hornet (possibly even an Oriental hornet) keeps digging a hole in a small slope on my lawn. It is a serious excavator. The pile of dirt it produces is several handfalls. If I fill the hole, it re-excavates it. I have put some insecticide down the hole and hope that this will kill it, but it is a very large insect.
Any idea what it could be? I live in Maryland.
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