Grishin, Zhang & Cong & Shen & Opler & Grishin, 2021

Zhang, Jing, Cong, Qian, Shen, Jinhui, Opler, Paul A. & Grishin, Nick V., 2021, Genomics-guided refinement of butterfly taxonomy, The Taxonomic Report of the International Lepidoptera Survey 9 (3), pp. 1-55 : 5-6

Esperourus Grishin , new subgenus

http://zoobank.org/ DC085A9A-4391-49F3-B3AE-F2F57B0BB76C

Type species. Papilio esperanza Beutelspacher, 1975 .

lobe near the distal end of harpe in male genitalia, as illustrated on plate 100 in Tyler et al. (1994); and may be distinguished from other Pterourus species by its ventral forewing discal cell with 4 yellow longitudinal rays in the basal half, and from the three species in the subgenus Pterourus by its basal edge of the postdiscal band on the ventral hindwing that are closer to the outer margin than to the discal cell.

Etymology. The name is a masculine noun in the nominative singular, formed as a fusion of the type species name with its genus name: Esper [anza] + [Pter] ourus.

Species included. Only the type species.

Parent taxon. Genus Pterourus Scopoli, 1777 .