Andricus pisiformis (agamic)

Biorhiza caepuliformis (agamic)

Xanthoteras clavuloides (agamic)

Feron californicum (agamic)

Andricus pisiformis sp. nov.

Gall.--On the terminal twigs of white oak (Quercus alba) and post oak (Quercus minor [stellata]) from the middle of May to early in June. Monothalamous. Spherical or pea-like. Milky white or pale greenish white, speckled and marbled with green or lilac. Fleshy when fresh, hard and woody when old and dry. It is hollow inside with no separate larval chamber. It is evidently a bud gall. Diameter 3-6 mm.

Habitat.--NJ, MA

The flies mature in the gall during the latter part of September and in October, but do not emerge until the following spring. The gall is a pretty object and looks like a very small marble. 

Andricus caepuliformis sp. nov.

Gall. — In clusters around the twig of black oak (Quercus velutina). Monothalamous. Rounded with the apex pointed, and the sides longitudinally grooved. The rounded part is hollow and rather thin walled, and the base of the gall is imbedded in a cavity in the twig. Rose colored, hard and woody (when dry). In general appearance the gall resembles a very small seed onion. Length 5-8 mm. Width 4-5 mm. 

Habitat.--IN

Dryophanta clavula, sp. nov.

Gall. — On the under side of the leaves of a species of white oak (probably Quercus douglasi). Monothalamous. Narrow and almost parallel to about the middle, thence suddenly becoming inflated into a club with the apex pointed. At the extreme base it is slightly broader and is attached by a point to the leaf. The gall very much resembles a miniature Indian club in shape. Brown in color, and the larva lives in the inflated part of the gall in a rounded cell. Length, 5-7 mm. ; width of narrow part, 1 mm., of thickened part, 1.75 mm. 

Habitat: — California (Napa and Sonoma Countries). Described from twelve specimens.

Philonix californica, sp. nov.

Gall. — On the upper surface of the leaves of a species of white oak. Monothalamous. Rounded, flattened disc-like, becoming slightly elevated toward the middle. The sides are flat and very thin, and the gall rests closely on the leaf. The larva lives in the center of the elevated part. The color is pinkish or purplish, with the apex sometimes yellowish. Width, 3 to 4 mm. Height, 1 mm. 

Habitat — Kern Co., California, January. 

Type — United States National Museum. Described from five females. 

Descriptions of New Species of Cynipidae