Eutus septemaculatus Grishin, 2023

Zhang, Jing, Cong, Qian & Grishin, Nick V., 2023, Supplementary Materials and Appendix, Insecta Mundi 2023 (26), pp. 1-115 : 53-54

Eutus septemaculatus Grishin , new species

https://zoobank.org/ 3F5D4627-A738-4C6B-9DB4-687DFCA5FE1D

( Fig. 5 part, 123–124, 355–356)

Definition and diagnosis. Phylogenetic trees reveal that a specimen from Mato Grosso Brazil with wing pattern similarities to Eutus mubevensis (E. Bell, 1932) (type locality in Paraguay) shows prominent genetic differentiation from it ( Fig. 5): e.g., their COI barcodes differ by 9.1% (60 bp) and, therefore, represents a new species. This new species keys to “ Decinea mubevensis ” (L.11.9) in Evans (1955) but differs from it (males) by rounder hindwings, larger hyaline forewing spots, and brighter ventral forewing tornal area ( Fig. 123–124), harpe more robust, not shorter than valva, and ampulla process more massive, only slightly shorter than costa ( Fig. 355–356). Due to the cryptic nature of this species, most reliable identification is achieved by DNA and a combination of the following base pairs is diagnostic in the nuclear genome: aly18826.14.1:C60G, aly 1295.8.3:A42T, aly207.9.6:T195C, aly207.9.6:A312G, aly5294.34.2:A116G, aly490.2.1:T435T (not C), aly490.2.1:A501A (not T), aly531.12.1:T103T (not A), aly1146.43.2:T93T (not C), aly 2127.7.4:T726T (not C), and COI barcode: T50C, A101G, T346A, T382A, A421C.

Barcode sequence of the holotype. Sample NVG-19021H05, GenBank OR837680, 658 base pairs: AACTTTATATTTTATTTTTGGAATTTGAAGAGGTATATTAGGAACTTCTCTAAGTTTATTAATTCGTACAGAATTAGGTAATCCTGGATCTTTAATT GGAAATGACCAAATTTATAATACTATCGTAACAGCTCACGCTTTCATTATAATTTTTTTTATAGTTATACCTATTATAATTGGTGGATTTGGAAATT GATTAGTACCTTTAATATTAGGAGCACCTGATATAGCTTTCCCACGAATAAATAATATAAGATTTTGAATATTACCCCCTTCTTTAATATTATTAAT TTCAAGAAGAATTGTAGAAAATGGAGCTGGAACAGGATGAACAGTATATCCCCCACTTTCTTCTAATATTGCCCATCAAGGATCTTCTGTAGATTTA GCAATTTTCTCCCTTCATTTAGCTGGTATTTCCTCTATTTTAGGAGCTATTAATTTTATTACTACAATTATTAATATACGAATTAAAAATATATCCT TTGATCAAATACCATTATTTGTTTGATCGGTAGGAATTACAGCTCTTTTATTACTTTTATCTTTACCAGTATTAGCAGGAGCAATTACTATATTATT AACAGATCGAAATTTAAATACTTCATTTTTTGATCCTGCTGGAGGAGGAGACCCTATTTTATATCAACATCTATTT

Type material. Holotype: ♂ currently deposited in the National Museum of Natural History, Smithsonian Institution , Washington, DC, USA ( USNM), illustrated in Fig. 123–124, bears the following five rectangular labels, three white: [ BRAZIL MT | Cuiba/Santarem | Sinope-km 500 | 13 July 1979 | leg. S.S. Nicolay], [DNA sample ID: | NVG-19021H05 | c/o Nick V. Grishin], [USNMENT | {QR Code} | 01532718], and one red [HOLOTYPE ♂ | Eutus septemaculatus | Grishin]. Type locality. Brazil: Mato Grosso, km 500 of Cuiabá – Santarém highway, Sinop.

Etymology. The name is for seven spots on the forewing. In Latin, septem means seven, and macula means spot. The name is a masculine perfect passive participle in the nominative singular.

Distribution. Currently known only from the holotype collected in Mato Grosso, Brazil.