Trichoteras perfulvum Weld

Quercus chrysolepis
Leaf galls, separable from leaf intact
Cluster on midrib, depressed, tan.

Fig 123. Q. chrysolepis in the fall. Develop in May and June. Contained pupae in November. Both living and dead adults were found when galls were cut open on Feb. 9.

Trichoteras perfulvum, new species

Host: Quercus chrysolepis

Gall: Tan colored, circular, 6-8 mm. in diameter by 1 mm. high, single or in two's or three's, attached to midrib on upper or lower side of leaf in the fall. Sparingly hairy, thin walled, with an eccentric ellipsoidal cell inside held in place by radiating fibers.

Range: Idyllwild CA Both living and dead adults were found in the galls when they were cut open, February 9, 1949. Fresh galls are fully grown by mid-June.

Consequently, all 8 known species [in the genus Trichoteras] must be transferred to Andricus: perfulvum (Weld), comb. nov.