Sarmientoia dinka Evans, 1952

Zhang, Jing, Dolibaina, Diego R., Cong, Qian, Shen, Jinhui, Song, Leina, Mielke, Carlos G. C., Casagrande, Mirna M., Mielke, Olaf H. H. & Grishin, Nick V., 2023, Taxonomic notes on Neotropical Hesperiidae (Lepidoptera), Zootaxa 5271 (1), pp. 91-114 : 94

Sarmientoia dinka Evans, 1952 is a new junior subjective synonym of Adina adrastor (Mabille and Boullet, 1912)

Genomic sequencing of three specimens (1♁ and 2♀♀) from Brazil: Rio de Janeiro identified by phenotypic comparison as Salantoia dinka ( Evans, 1952) (type locality not specified) ( Fig. 1a cyan, d–f), known only from a single male holotype without a locality label ( Fig. 1c ), reveals that the holotype of Adina adrastor (Mabille and Boullet, 1912) (type locality in South America) ( Fig. 1a magenta, b), a female, falls within their genetic variation. COI barcodes of the A. adrastor holotype and the specimens from Brazil differ by 0.46-0.6% (3-4 bp), and the specimens from Brazil show difference of 0.46% (3 bp) among them. Females from Brazil ( Fig. 1e, f ) are phenotypically similar to the holotype of A. adrastor , and a male ( Fig. 1d ), which is conspecific with the females as evidenced by DNA, is phenotypically close to the holotype of S. dinka . It is most likely that S. dinka is a male of female A. adrastor , the name kept in synonymy with Bungalotis midas (Cramer, 1775) (type locality in Suriname) since Evans (1952), who regarded this unique female as “an aberration without the spot in space 3 upf”, until it was sequenced, resurrected from synonymy, and designated as the type species of a new genus Adina Grishin, 2022 ( Zhang et al. 2022). Therefore, we propose that Salantoia dinka ( Evans, 1952) , syn. nov. is a new junior subjective synonym of Adina adrastor (Mabille and Boullet, 1912) . Then, we hypothesize that the type localities of both S. dinka and A. adrastor are in Southeast Brazil, possibly around Rio de Janeiro.

Figures

FIGURE 1. Bungalotis group species. a. a phylogenetic tree constructed from protein-coding regions in nuclear genome cut into genera by a green vertical bar: Bungalotis corentinus (red, its neotype and the holotype of Bungalotis gagarini labeled in purple and green, respectively) and Adina adrastor (blue, its holotype labeled in magenta), including specimens from Brazil: Rio de Janeiro shown in d. ♁ OM11.175, e. ♀ OM10.720, and f. ♀ OM18.153, identified as Salantoia dinka; b. holotype of A. adrastor ♀; c. holotype of S. dinka ♁. Photograph c (by N.V.G.) is © of the Trustees of the Natural History Museum London and is made available under Creative Commons License 4.0 (https://creativecommons.org/licenses/by/4.0/) and photographs d–f are by Carlos Mielke.