Pea-shaped, smooth, green, bare, fleshy, scattered in small numbers along the flower axis, dropping with the flowers in late May or early June. Contain 4-5 cells. Flies emerge early in June of the same season. On Q rubra and coccinea.

Callirhytis pulchra (Bass.)

Quercus cinerea [incana], coccinea, rubra, velutina
Flower galls
Green when fresh, the size of red currants, containing 4-5 cells, dropping in June.

[Photo caption]
On Q coccinea. Also on Q velutina. Galls drop in late May and shrivel slightly; adults emerged June 10-20 (IL); May 28-June 6 (DC).

Andricus pulchra

white, shot-like catkin gall

Andricus pulchra Bass.

Oak flower gall. The round, shotlike, greenish white, soft, spongy polythalamous galls of this species were taken on catkins of red oak at Poughkeepsie May 20, 1903, adults appearing May 29.

Andricus (Callirhytis) pulchra n. sp.

Galls on the aments of Q tinctoria [velutina] (also Q rubra), when dry, shrunken and shrivelled, and measuring from .1 to .15 of an inch in diameter. They are polythalamous, each gall producing four or five insects. The interior of the gall is of a very loose spongy texture and the outside, thin and papery and green like the leaves. When fresh they are round and the size of a common red currant. They differ from the galls of Dryophanta palustris O.S., which is sometimes found on the aments of Q ilicifolia, in the thin and smooth shell, and in being polythalamous. Flies of both sexes, appearing in May.

About one half of my fifty or sixty specimens are males.

Locality: MA