Synergus walshii 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 : 99

Synergus walshii Gillette, 1896

Synophrus albipes Walsh, 1864 . Proc. Entomol. Soc. Phil. 2: 496. Type material: MCZ.

Synergus albipes: Osten-Sacken (1865) . Proc. Entomol. Soc. Phil. 4: 377.

Synergus walshii Gillette, 1896 . Trans. Am. Entomol. Soc. 23: 97 (new name).

Diagnosis. See Lobato-Vila et al. (2020c: 32).

Distribution. USA: Illinois ( Walsh 1864; Burks 1979) and Michigan ( Gillette 1896).

Biology. Reared from woolly galls of Andricus quercusflocci ( Walsh, 1864) on leaves of white oaks ( Walsh 1864), probably the North American eastern white oak Q. alba ( Burks 1979) .

Remarks. The type material of Synergus walshii was examined and the species was redescribed and illustrated by Lobato-Vila et al. (2020b: 706). It was also treated by Lobato-Vila et al. (2020c: 32).