Thrips

By: uvmext

Pear thrips is a species of insect that while native to Europe and Eurasia has been present in the United States for over 100 years. This insect is slender and brown as an adult and just over one mm long with delicately fringed wings. Thrips were ...

Late Season Defoliators

By: uvmext

As late summer progresses so-called late-season defoliators are beginning to become visible in Vermont woods. Two such insects are maple leaf cutter and maple trumpet skeletonizer. The first report of damage from maple leaf cutter was in 1911 when...

Sugarbush Management 2

By: uvmext

Late summer, while leaves are still green is a good time to assess the trees in your sugarbush. Weak or declining individuals will show areas of crown dieback. Trees with more than 75% dieback will likely not survive but are still competing for li...

Vacuum

By: uvmext

Sap flows out of trees due to the difference in pressure between the inside and outside of the tree. In the 1950s, maple researchers and producers found that adding vacuum pumps to tubing systems could increase this pressure differential and there...

Water Bars

By: uvmext

Access to a sugarbush is critical for installing and repairing sap collection equipment, tapping and managing crop trees and responding to the effects of natural disturbances. Quality access to the sugarbush relies and a road and trail system that...