Amphibolips quercuscinerea

Quercus cinerea [incana]
Stem galls, detachable
A large oak apple, 20-30 mm in dia in spring; usually wrinkles in drying. Type host.

[Photo caption]
On Q cinerea [incana]. Adults in late April.

Amphibolips cinerea

Globose or ovate, slightly nippled, dark, crimson with lighter mottlings and becoming brown, thick-shelled twig gall with filament-supported larval cell, length 2.5 to 3.5 cm, diameter 2 to 3 cm, on Q brevifolia [incana].

Cynips quercus cinerea n. sp.

The Upland Willow Oak Apple Gall

Host--Quercus cinerea [incana]

Galls.--Large, perfectly spherical galls attached to the twigs and limbs, of a dark crimson color mottled with small spots of a lighter color. A single kernel in the centre held in place by dense, brownish, spongy filaments. Diameter one and one-fourth to one and one-half inch.

The summer galls will probably produce the two gendered form.

Amphibolips cinerea

Cynips quercus cinerea

Gall. Attached to the twigs and limbs of blue-jack or upland willow oak (Quercus brevifolia [incana]). Large, spherical or elongate oval, with a small nipple at the apex and of a dark crimson, mottled with small spots of a lighter color. The outer shell is rather thick, and when old it is brown, hard and brittle. Internally there is a central larval cell held in position by very dense brownish spongy filaments. Length 24 to 35 mm; width 20 to 30 mm.

Habitat: FL

Amphibolips quercuscinerea (Ashmead 1881)

Hosts: Quercus myrtifolia

[Sexual generation bud galls found in Florida in the spring.]