Aculus quinquilobus

Phyllocoptes quinquilobus

Host: Acer rubrum

Relationship: Causes whitish or pinkish erineum galls on the lower surface of the leaves.

Distrbution: Canada; NY; Washington

Eriophyes quinquilobus

Hosts: Acer rubrum

In addition to bladder galls, Hodgkiss (1913) described four species of eriophyids that are associated with erineum on leaves of red maple in New York. They are Eriophyes major Hodgkiss, E. minutissimus (Hodgkiss), E ornatus Hodgkiss [now a synonym of E major], and E quinquilobus (Hodgkiss).

Phyllocoptes quinquilobus
[Eriophyes major and ornatus are also listed as two distinct species causing the same symptom]

Acer rubrum

Pinkish erineum on the under leaf surface

Phyllocoptes quinquilobus, sp. nov.

Described from individuals found among pinkish erineum galls on the under surfaces of leaves of the red maple, Acer rubrum L., Causes whitish or pinkish erineum galls on the lower surfaces of leaves.