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ISA Certified Arborist Des Moines, Iowa
Tree Service Des Moines, Iowa
Tree Care Des Moines
Des Moines, Iowa
Arborist Des Moines, Iowa
Olson Tree Care

Arborist Tree Care​​​  

Arborist Chris Olson

White Pine Wilt in Iowa

White Pine Wilt.

      A conclusion is never a fact unless through ongoing data it is borne out.

      Due to continuing observational data by the Des Moines Arborist at Olson Tree Care it has become evident that the majority of information available on eastern white pines (in relation to pine wilt) is incorrect.


      Native white pines (Pinus strobus) are not immune from pine wilt, as previously once thought, despite the majority of the information available.


      While they are resilient, with repeated exposure to the pine sawyer beetle (Monochamus carolinensis) they die symptomatically identical to scotch and Austrian pines with pine wilt.


      In one year the Tree Care Arborist in Des Moines, Iowa has observed over 100 dead white pine trees and while in the beginning he saw symptoms, it wasn’t until mid year 2021 (through dissection) that we found a clear connection. Pine sawyer beetle larvae in quickly dying white pines with blue stain fungi.


      There is enough observational data to confirm that the Pine Wilt Nematode (Bursaphelenchus xylophilus) is evident in the Eastern White Pines Trees of Iowa causing Pine Wilt Death