Hiker's Guide to the Trees, Shrubs

and Vines of Ricketts Glen State Park

 

ECOLOGICAL ASSOCIATES OF WOODY PLANTS

INSECTS
Acraspis quercushirta - Chestnut Oak Leaf Gall
Amphibolips cookii - Red-Black Oak "Apple" Gall
Hemadas nubilipennis - Blueberry Stem Gall
Hormaphis hamamelidis - Witch Hazel Cone Gall
Cryptococcus fagisuga - Woolly Beech Scale
Desmocerus palliatus - Elderberry Borer
Disholcaspis quercusmamma - Oak Bullet Gall
Pineus similis - Ragged Spruce Gall Adelgid
Pontania sp. - Willow Sawfly Gall
Pterourus troilus - Spicebush Swallowtail
Larvae feed on members of the Lauraceae,
such as Sassafras albidum.

MITES
Eriophyes nyssae - Black Gum Leaf Gall
Eriophyidae - Birch Velvet Leaf Gall
Eriophyes tiliae - Basswood Leaf Gall
Eriophyidae - Birch Velvet Leaf Gall
Eriophyidae - Beech Velvet Leaf Gall

FLOWERING PLANTS
Epifagus virginiana - Beech Drops
Parasitic on roots of Fagus grandifolia.

Monotropa uniflora - Indian Pipe
Mutualistic with conifer mycorrhizal fungi.

FUNGI
Aleurodiscus oakesii - Smooth Patch of White Oak
Apiosporina morbosa - Black Knot of Cherry
Armillaria mellea - Shoestring Rot
Cercospora kalmiae - Mountain Laurel Leaf Spot
Cryphonectria parasitica - Chestnut Blight
Dendrothele macrodens - Smooth Patch of Ash
Fomes fomentarius - White Rot of Beech
Ganoderma tsugae - White Rot of Hemlock
Inonotus obliquus - Birch Stem Canker
Neonectria faginata - Beech Bark Disease
Scorias spongiosa - Beech Black Soot

Updated 25 October 2017.