Re: Northern Expanding Range of the SHB??
I don't recall accurately how long ago it was that I first saw SHB in hives in Northern NY, but it must have been at least 5 years or more. The first ones I saw in the North Country were in hives that belong to a migratory beekeeper. He had invited a group of beekeepers from Quebec to come see them.
Since then I have brought my own to NY in my own hives. I have never seen any detrimental effects in my own hives or equipment. I opened a hive this last fall, Oct. I think, and there were about 20 beetles clumped up together on the top bars. They scurried away before I could give them the hive tool test.
SHB will overwinter in clusters in northern areas. But I don't know if they reproduce successfully. How long do adult SHBs live? If they can't reproduce in our soil, do they die after 6 weeks or so?
Mark Berninghausen "That which works, persists."