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Regional monitoring and updates about leafhoppers in Mendocino and Lake County
by Al White
on May 10, 2017 at 8:41 AM
I've observed parasitism in the WGLH eggs here, but none in the VCLH yet. Of course, I've only looked at a small number of leaves.
Reply by Houston Wilson
on May 11, 2017 at 12:20 PM
Hi Al,  
Thanks for the update (and good eye). The Anagrus parasitoids that attack leafhoppers are active in most vineyards by now, though populations vary from site to site. We haven't seen any signs of WGLH parasitism at the sites we're currently monitoring, but I expect that to change in the near future. As for VCLH, still no signs of parasitism, but hopefully we can change that with these releases of Anagrus daanei.
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