Marcopoloia thaica 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 : 50-51

Marcopoloia thaica Yakovlev & Zolotuhin , sp. nov.

https://zoobank.org/ urn:lsid:zoobank.org:act:60455324-865F-4949-9A99-F70745BD50E2

Figs 8 , 14−15

Material. Holotype, male, Thailand, Changwat Nan, 30 km E of Pua , 1700 m, 8.iv.1998, leg. Tibor Csovari & Pal Steger ( MWM, GenPr-Heterocera MWM – 31.857).

Description. Male. Length of fore wing 11 mm. Antenna bipectinate, setae twice longer than antenna rod diameter. Tip of abdomen with bundle of long modified scales. Fore wing light-brown, with poorly expressed dark-brown pattern of strokes and blurred bands throughout all wing, marginal area and fringe mottled (dark-brown on veins, ocher between veins). Hind wing dark-brown, marginal area and fringe ocher.

Male genitalia. Uncus long, with parallel edges, apically rounded, slightly extended, with shallow semicircular notch on top; subscaphium long, funnel-like; gnathos arms thin, gnathos poorly expressed; valve short, rounded, with long finger-like harpe in basal third of saccular edge and shorter finger-like harpe in medium third; 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, spiky cornutus in vesica.

Female unknown.

Diagnosis. In the genital structure, the species is close to M. nangmai , from which it differs in the contrast light-brown fore wing. In the male genitalia, the uncus is significantly thicker than in M. nangmai .

Distribution. Northern Thailand.

Figures

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).

Figure 15. Distributional map of Marcopoloia.