Marcopoloia nangmai Yakovlev & Zolotuhin, 2021

Yakovlev, Roman V. & Zolotuhin, Vadim V., 2021, Revision of the family Metarbelidae (Lepidoptera) of the Oriental Region. V. Genus Marcopoloia Yakovlev & Zolotuhin gen. nov. from the Taiwan Island and Indo-Burma biodiversity hotspot, Ecologica Montenegrina 44, pp. 44-52 : 47-50

Marcopoloia nangmai Yakovlev & Zolotuhin , sp. nov.

https://zoobank.org/ urn:lsid:zoobank.org:act:92D7EB2B-C2AB-4462-BB8A-4B347528DC82

Figs 6 , 12 , 15

Material. Holotype, male, Thailand, Changwat Nan, 20 km N of Bo Luang , 1150 m, 29.iii.1998, leg. Tibor Csovari & Pal Steger ( MWM, GenPr-Heterocera MWM – 28.015).

Description. Male. Length of fore wing 12.5 mm. Antenna bipectinate, setae twice longer than antenna rod diameter. Tip of abdomen with bundle of long modified scales. Fore wing dark-brown, with poorly expressed brown portions discally and postdiscally, marginal area and fringe mottled (dark-brown on veins, ocher between veins). Hind wing dark-brown, anal angle brown, marginal area and fringe mottled (dark-brown on veins, ocher between veins).

Male genitalia. Uncus long, with parallel edges, apically rounded, with long triangular notch on top; subscaphium long, funnel-like; gnathos arms thin, gnathos poorly expressed; valve short, rounded, thick curved harpe with mastoid apex in basal third of saccular edge, small mastoid harpe in medium third of saccular edge; juxta robust, with short, slightly acute lateral processes; saccus tiny, with poorly expressed notch on top; phallus shorter than valve, thin, with very wide semicircular cup-like basal process, strongly curved in medium third, with long rod-like cornutus.

Female unknown.

Diagnosis. Clearly differs from other species of the genus in the long triangular notch on the top of the uncus, the poorly expressed harpes and the phallus strongly curved in medium third.

Distribution. Northern Thailand.

Etymology. The new species is named after the Nang Mai – female fairies of Thai mythology.

Figures

Figure 15. Distributional map of Marcopoloia.

Figures 1−8. Adult specimens of Marcopoloia: 1. M. discipuncta, male, Taiwan, Prov. Ping-Tung, 10 km SE Mutan, 470 m, 07−10.iii. 1996, leg. Gy. Fabian & L. Nemeth (MWM); 2. M. discipuncta, male, Taiwan, Prov. Ping-Tung, Huang-Lion Recreation Area, 210 m, 06.iii.1996, leg. Gy. Fabian & L. Nemeth (MWM); 3. M. discipuncta, female, holotype of Arbela discipuncta Wileman, Kanshirei, Formosa, 1000 ft., 27.iv.1908, A.E. Wileman (NHMUK); 4. M. discipuncta, female, holotype of Arbela baibarana Matsumura, Horisha, 22.iv.1926, R. Saito & K. Kikuchi (ZMSU); 5. M. leloi, holotype (MWM); 6. M. nangmai, holotype (MWM); 7. M. siniaevi, holotype (MWM); 8. M. thaica, holotype (MWM).

Figures 9−14. Genitalia of Marcopoloia: 9. M. discipuncta, male, Taiwan; 10. M. discipuncta, female, Taiwan; 11. M. leloi, holotype; 12. M. nangmai (MWM); 13. M. siniaevi (MWM); 14. M. thaica (MWM).