Synergus incisus Gillette, 1896

Lobato-Vila, Irene & Pujade-Villar, Juli, 2021, The genus Synergus Hartig (Hymenoptera: Cynipidae: Synergini) in the New World: a complete taxonomic revision with a key to species, Zootaxa 4906 (1), pp. 1-121 : 57-58

Synergus incisus Gillette, 1896

Synergus incisus Gillette, 1896 . Trans. Am. Entomol. Soc. 23: 92. Type material: USNM.

Diagnosis. See Lobato-Vila et al. (2019: 216).

Distribution. USA: Colorado ( Gillette 1896; Lobato-Vila et al. 2019) and New Mexico (Lobato-Vila et al. 2019).

Biology. Reared from tuberous galls on twigs of Callirhytis frequens (Gillette, 1892) ( Gillette 1896) .

Remarks. The type material of Synergus incisus was examined and the species was redescribed and illustrated by Lobato-Vila et al. (2019: 216).

The host plant is not mentioned in the original description, but C. frequens is associated with oaks of the Quercus section ( Burks 1979: 1102): Q. gambelii , Q. havardii , and ‘ Q. undulata ’ (which could be either Q. sinuata or Q. gambelii ).