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Thread: Gypsy moths

  1. #11
    Join Date
    Jan 2017
    Location
    Williston, VT
    Posts
    615

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    I also notice that they are hard on the oaks and birch. So far, the maples seem fine.
    Ken & Sherry
    Williston, VT
    16x34 Sugarhouse
    1,500 taps on high vacuum, Electric Releaser & CDL Sap Lifter
    Wood-Fired Leader 30"x10' Vortex Arch & Max Raised Flue with Rev Syrup Pan & CDL1200 RO
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  2. #12
    Join Date
    Apr 2013
    Location
    Speyside, Ontario
    Posts
    270

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    They are after the maples here after the birches. They even eat some of the evergreen trees.
    2015 - 8 buckets, 332L sap, 8.5L syrup - Barrel evaporator, 2 steam pans
    2016 - 8 buckets, 432L sap
    2017 - 10 bags, 470L sap, 9L syrup
    2018 - 20 bags, 1050L sap, 17.6L syrup
    2019 - 20 bags, 970L sap, 22.2L syrup
    2020 - 17 bags, 813L sap, 17L syrup

  3. #13
    Join Date
    Mar 2006
    Location
    west virginia
    Posts
    966

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    In West Virginia there have been years in the past that the gypsy moths have been bad, many landowners had their forests sprayed, not maple producers, just folks trying to save the hardwoods for future timbering, we are in the Hardwood Alliance area. Some springs if it wet enough they catch a virus and die, I maybe wrong but I believe the spray had the virus in it? And before you ask I'm pretty sure the spray was invented in America! Not Wuhan China! Though it would be fun to ask Dr. Fauci what he knows about a virus killing Gypsy Moths.
    Mark 220 Maple
    1100 taps on low vaccum, 900 on gravity.
    900 plus taps leased and on high vacuum
    35 cfm Indiana Liquid Ring Vacuum Pump
    80% Sugar, 20% Red MAPLES
    http://s247.photobucket.com/albums/g...Maple%20Syrup/

  4. #14
    Join Date
    May 2009
    Location
    UVM Proctor Maple Research Center, Underhill Ctr, VT
    Posts
    6,390

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    Quote Originally Posted by 220 maple View Post
    In West Virginia there have been years in the past that the gypsy moths have been bad, many landowners had their forests sprayed, not maple producers, just folks trying to save the hardwoods for future timbering, we are in the Hardwood Alliance area. Some springs if it wet enough they catch a virus and die, I maybe wrong but I believe the spray had the virus in it? And before you ask I'm pretty sure the spray was invented in America!
    http://npic.orst.edu/factsheets/btgen.html

    The most common spray has a bacterium in it, Bacillus thuringiensis, more commonly known as BT. It is a naturally occurring bacteria found in soils. While BT itself is organic, it is generally mixed with an oil carrier (to make it disperse more evenly and stick to leaves). Caterpillars eat it and are killed. Doesn't help if they are past the feeding stage, so timing is important. When numbers get high, viruses and fungi (if it's wet) are typically responsible for population collapse.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    https://mapleresearch.org
    Timothy.Perkins@uvm.edu

  5. #15
    Join Date
    Dec 2012
    Location
    East Chatham,N.Y.
    Posts
    36

    Default gypsy moth

    They are eating just about every speice both hardwood and soft wood, the white oaks don't have aleaf left on them, red oak, rock oak are almost completly stripped, poplars, birch,beech and ash are abot 80% bare . The white pines are about 75% eaten they are now into the hemlocks, spruce and whie fir. No moths have appeared yet, this is much worse the infestation in the early 70's, that alot of rock oak around here.

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