Amphibolips racemaria

Quercus laurifolia, myrtifolia, nigra, phellos
Leaf galls, detachable
Like a green grape on under side of leaf in April, 7-8 mm in dia, sour, succulent, adults (all males) emerged in may.

[Photo caption (no photo)]
Gall similar [to Amphibolips nubilipennis] but smaller, 8-15 mm in dia. On Q laurifolia, phellos, myrtifolia, nigra. Adults emerged in May (FL); June 1 (GA). All females.

Amphibolips racemaria

Globose, crisp, sour and succulent, green, becoming brown, leaf gall, internally with a reddish larval cell, diameter 8 to 10 mm, on Q laurifolia in April and May.

Cynips quercus racemaria n. sp.

The Grape-producing Cynips. This is a very remarkable Cynips producing galls on the under surface of the leaves of Quercus laurifolia, which very much resemble small white grapes. They make their appearance early in April, but the flies do not escape until the middle of May.

Galls. — Spherical, crisp, sour and succulent, attached to the under surface of the leaves, in size and color resembling a small white grape and in consistency not unlike a green gooseberry, with a single reddish kernel in the centre. Diameter .35 to .40 inch

Amphibolips racemaria

Cynips quercus racemaria

Gall. On the under side of leaf of laurel oak (Quercus laurifolia) in April and May. Globular or spherical, crisp, sour and succulent. Green when fresh, and brown and shriveled when dry. Internall with a reddish larval cell. Diameter 8 to 10 mm.

The gall very much resembles that of Amphibolips nubilipennis.

Habitat: FL

Amphibolips quercusracemaria (Ashmead 1881)

Hosts: Quercus myrtifolia

[Sexual generation detachable leaf galls found in Florida in the spring.]