Callirhytis cedros (agamic)

Callirhytis cedrosensis (agamic)

Callirhytis protobalanus (agamic)

Callirhytis cedros, new species

Host: — Quercus cedrosensis Muller.
Gall. — Detachable, monothalamous, stem or aborted bud gall. Spherical, dark brown, 6mm in diameter (Fig. 1).

Callirhytis cedrosensis, new species

Host. — Quercus cedrosensis Mueller.
Gall. — Detachable, monothalamous, stem galls. Flat-topped, with small elevated central disk, ovoid, green and succulent when fresh, brown to purple when dry, 0.8 to 1.5cm tall, 1.2 cm average, 1.0cm diameter. Galls collected from Cedros Island are rounded apically and without sharply ridged flattened top (Fig. 2).

Callirhytis protobalanus, new species

Host. — Quercus cedrosensis Muller.
Gall. — Integral polythalamous acorn gall formed in cotyledon of the acorn 1.0 to 2.0cm wide, 1.2cm average. Emergence occurs through hull and sometimes through cap (Fig. 3). 

Three new gall-inducing Callirhytis Foerster from Quercus cedrosensis Muller. (Hymenoptera: Cynipidae)