Callirhytis rugosa

Quercus imbricaria, laurifolia, phellos, rubra
Leaf galls, integral
Hard, lenticular blister on under surface, usually two-celled, the leaf sunken, concave above.

[Photo caption]

262. On Q phellos. Also on Q marilandica, imbricaria. Adults emerged June 14 (DC).

263. On Q rubra. Also on Q coccinea.

Cynips quercus rugosa n. sp.

Quercus laurifolia

Another gall found on the under surface of the leaves

Galls.--Semispherical, greenish yellow, smooth, hard galls, attached to the under surface of the leaf, slightly contracting the leaf on the upper surface, but not projecting, either flat or slightly concave; internally consisting of a hard fibrous substance in the centre of which the larva is transversely placed; fly escaping by perforating a hole through the upper surface of the leaf. Diameter transversely .2 inch; through or vertically .08 to .10.

Amphibolips quercusrugosa comb. nov

herein transferred to the Amphibolips genus