On Siberian Elm.
on elm
Found during DEC survey
Found during DEC survey - first sighting in Otsego County.
5' from the ground, 6 ' from the door, thus an unavoidable extra sawfly report.
on Ulmus americana
on Ulmus americana
on Ulmus glabra:
https://www.inaturalist.org/observations/196726636
On Ulmus americana
To the best of my knowledge, this is the first record of EZS in the city of Toronto.
This is the second record (of two for the day) of EZS I am aware of from the Greater Toronto Area (Durham/Clarington).
On Ulmus americana:
https://www.inaturalist.org/observations/197858712
on Ulmus americana:
https://www.inaturalist.org/observations/197856858
on Ulmus americana:
https://www.inaturalist.org/observations/197855118
on Ulmus americana:
https://www.inaturalist.org/observations/197769603
found with @pantherophis
on Ulmus americana:
https://www.inaturalist.org/observations/196544518
On Ulmus americana:
https://www.inaturalist.org/observations/199615326
Co-discovered with @pantherophis (shown in last photo) on first American Elm we inspected on a trip to Vermont.
As far as we know, this is the first observation of EZS in Vermont. Other EZS were found throughout the day and will be uploaded to iNat.
on Ulmus americana:
https://www.inaturalist.org/observations/199850159
on Ulmus americana:
https://www.inaturalist.org/observations/199822657
final photo shows only central vein of leaf left on adjacent branch
Found during survey conducted for DEC BISEH
Found during survey conducted for DEC BISEH
Found during survey conducted for DEC BISEH
on Ulmus americana
on Ulmus davidiana var. japonica
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana.
Some leaves almost fully consumed by the zigzag sawfly.
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana; a relatively isolated individual tree
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
mature larva traces on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
spotted by Elsa Clarkin in crown of Ulmus americana
On elm tree in backyard.
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus rubra
on Ulmus pumila
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
on Ulmus americana
a few small trees in hardwood understory; presumably part of a root colony