Dogwood Sawfly
Macremphytustarsatus
Order
Family
Genus
Species
Regional
This bug has been reportedly found in the following regions:
Garfield, Arkansas
Champaign, Illinois
Saint Joseph, Illinois
Hollis Center, Maine
Pownal, Maine
Standish, Maine
Uxbridge, Massachusetts
Denville, New Jersey
Oyster Bay, New York
Pottstown, Pennsylvania
Wilkes Barre, Pennsylvania
Elkton, Virginia
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Gardener's Notes:
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maineguide007
Standish, ME (Zone 5a) |
August 2019 |
Neutral
The larve have defoliated about 90% of my redosier Dogwood. I can see large numbers parasitic wasps in the tree as well. The larve must serve as a good host for the larval wasps. I'm told that migratory song birds will feast on the larve as well.
M
Mitchella
Pownal, ME (Zone 5b) |
July 2018 |
Positive
I'm rating these positive because they are a native insect and part of the ecosystem. If there are a lot on a small garden dogwood (I have a small Pagoda Dogwood), I carefully remove them and transfer them to a large mass of wild Silky Dogwood nearby. Since I avoid killing native critters (ok, except mosquitoes and black flies!) I would leave them alone if there were no wild dogwoods on which to put them. Even a completely defoliated dogwood will come back fine the following spring, but I agree they're not too ornamental without any leaves!
w
whaisname
Oyster Bay, NY |
March 2013 |
Negative
Found, also, on my Pagoda dogwood.