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Green ash

  • Latin name: Fraxinus pennsylvanica var. subintegerrima (Vahl) Fern.
  • French name: Frêne vert
  • Taxonomic Serial Number: 535539
Description

  • Hairless leaf stalk - green ash
  • Leaf - green ash

Considered to differ from the typical red ash in that its leaf stalks, leaves, twigs, flower stalks, and fruit stalks are almost hairless. More prevalent toward the west; the common ash form in the Prairie provinces.

Photos

Photos

Insects and mites

Insects that cause damage to this tree.

Ashflower gall

Scientific name: Eriophyes fraxiniflora Felt

Carpenterworm

Scientific name: Prionoxystus robiniae (Peck)

Cottonwood crown borer

Scientific name: Sesia tibialis (Harris)

Fall cankerworm

Scientific name: Alsophila pometaria [Harris]

Lilac borer (Ash borer)

Scientific name: Podosesia syringae [Harr.]

Spring cankerworm

Scientific name: Paleacrita vernata (Peck)

Flowers, fruits, or seeds

Redcrossed stink bug

Scientific name: Leptocorus trivittatus (Say)

Foliage or buds

Emerald ash borer

Scientific name: Agrilus planipennis Fairmaire

  • Revision 2024

Fall cankerworm

Scientific name: Alsophila pometaria [Harris]

Redcrossed stink bug

Scientific name: Leptocorus trivittatus (Say)

Spring cankerworm

Scientific name: Paleacrita vernata (Peck)

Roots, bark, stem or trunk, or branches

Emerald ash borer

Scientific name: Agrilus planipennis Fairmaire

  • Revision 2024

Fall cankerworm

Scientific name: Alsophila pometaria [Harris]

Spring cankerworm

Scientific name: Paleacrita vernata (Peck)

Western ash bark beetle

Scientific name: Hylesinus californicus [Swaine]