veromartel 的最愛

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/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

Ulmus