Cyana britomartis N. Singh & Volynkin

Singh, Navneet, Volynkin, Anton V., Kirti, Jagbir Singh, Datta, Harvinder Singh & Ivanova, Maria S., 2020, A review of the genus Cyana Walker, 1854 from India, with descriptions of five new species and three new subspecies (Lepidoptera: Erebidae: Arctiinae: Lithosiini), Zootaxa 4738 (1), pp. 1-93: 41

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Cyana britomartis N. Singh & Volynkin

sp. nov.

Cyana britomartis N. Singh & Volynkin  , sp. nov.

( Figs 109–111View FIGURES 104–111, 208, 209View FIGURES 206–209, 272View FIGURES 268–272)

Type material. Holotype ( Figs 109View FIGURES 104–111, 208View FIGURES 206–209): ♂, India, Arunachal Pradesh, Dibang valley , 26.X.2017, leg. Navneet Singh (Coll. NZCZSI). 

Paratypes: INDIA. SIKKIM: 1 ♀, Sikkim, Mt. Kanchenjunga SE, 27°30’N, 88°20’E, 2000 m, 22–31.VII.1995, leg. E. Afonin & V. Sinjaev ex coll. Schintlmeister (Coll. MWM / ZSM)GoogleMaps  ; WEST BENGAL: 1 ♂, India, W.B., 2500m, Darjeeling Tigerhill , 2400 m, 13.+ 16.VIII.1985, leg. W. Thomas ”, slide MWM 34445View Materials (♂) Volynkin (Coll. MWM / ZSM)  ; 2 ♀, same locality and collector, but 29–31.VIII.1988, slide MWM 34447View Materials (♀) Volynkin (Coll. MWM / ZSM)  . NEPAL: 1 ♀, Nepal, Ganesh Himal, 2520 m, near Godlang , 85°17’E, 28°10’N, 13.IX.1995, leg. B. Herczig & Gy. M. László (Coll. MWM / ZSM)GoogleMaps  ; 2 ♂, Nepal, Langtang , 1950 m, 1.5 km NE Dhunche, 85°18’E 28°06’N, 24.IX.1994, leg. Csorba & Ronkay, slide MWM 34474View Materials (♂) Volynkin (Coll. MWM / ZSM)GoogleMaps  ; 6 ♂, 1 ♀, Nepal, 2300 m, Mt. Ka- linchok, 5 km W of Bigu, 3.VII.1997, leg. M. Hreblay & K. Csak (Coll. MWM / ZSM)  ; 1 ♂, Nepal, 1850 m, Mt. Kalinchok , 8 km E of Barabise, 5.VII.1997, leg. M. Hreblay & K. Csak (Coll. MWM / ZSM)  ; 3 ♂, Nepal, 2600 m, Mt. Kalinchok , 2 km N of Tarebhir, 2.VII.1997, leg. M. Hreblay & K. Csak (Coll. MWM / ZSM)  ; 1 ♂, C. Nepal, Mt. Annapurna Himal, Poon Hill , 28°34’N, 83°50’E, 2800 m, 12–15.VII.1995, leg. Afonin & Sinajev (Coll. MWM / ZSM)GoogleMaps  ; 1 ♂, Nepal, Mt. Annapurna Himal, between Nangethanti and Ghorepani , 2600 m, 83°42,5’E, 28°23,5’N, 24.VII.1995, leg. Gy. M. László & G. Ronkay (Coll. MWM / ZSM)GoogleMaps  ; 1 ♂, Nepal, Annapurna Himal , 1 km NW Chitre, 2300 m, 83°41’E, 28°25,5’N, 21–22.VI.1996, leg. Gy. M. László & G. Ronkay (Coll. MWM / ZSM)GoogleMaps  ; 1 ♀, Nepal, Sun Kosi-Tal, Kodari , 2000 m, 18–19.VIII.1971, leg. de Freina, Slg. Th. Witt (Coll. MWM / ZSM)  ; 1 ♀, East Nepal, Milke Danda, Gupha Pass , 3000 m, 4.VII.1988, leg. Márton Hreblay & Balázs Benedek (Coll. MWM / ZSM)  ; 1 ♀, Nepal, 2900 m, Mt. Kalinchok , 3 km SW Kalinchok peak, 30.VI.1997, leg. M. Hreblay & K. Csak (Coll. MWM / ZSM)  . CHINA. SICHUAN: 1 ♂, China, Sichuan, Daxue Shan Mts. , 80 km W Mianning, 28°34’N, 102°00’E, 2750 m, 7–8.VII.1999, leg. Sinaev & Plutenko (Coll. MWM / ZSM)GoogleMaps  ; YUNNAN: 3 ♂, 2 ♀, China, Yunnan, 20 km W Dali, Yunlong , 2570 m, 30.VIII.1998, ex. coll. Dr. Brechlin (Coll. MWM / ZSM)  ; 5 ♂, 5 ♀, China, prov. Yunnan, Dali Bai aut. pref. Yunlong , 13 km N of Caojian, Fengshuining Mts., 2460 m, 25.VII.–8.VIII.1999, leg. Dr Ronald Brechlin, slide MWM 34473View Materials (♂) Volynkin (Coll. MWM / ZSM)  .

Etymology. In ancient Greek mythology, Britomartis is a goddess of mountains and hunting, who was primarily worshipped on the island of Crete.

Diagnosis. Forewing length is 20–21.5 mm in males and 25–25.5 mm in females. Cyana britomartis  is a closest relative of C. divakara  , from which it differs by its smaller black discal spots, broader subbasal white strip along the forewing costa, longer subbasal white spot along the anal forewing margin, and larger medial white spot. In addition, male of C. britomartis  differs from that of C. divakara  by its distal discal black spots well separated from each other. The male genital capsule of C. britomartis  is very similar to that of C. divakara  , but differs by its slightly narrower juxta, narrower valva with less curved costa, longer distal section of valva, and slightly more robust distal saccular process. The vesica of C. britomartis  differs from that of C. divakara  by its shorter but much broader dorsal subbasal diverticulum, larger cluster of spinules on the largest medial diverticulum, larger lateral cluster of spinules, and larger distal diverticulum. In the female genitalia, C. britomartis  differs from C. divakara  by its less sclerotized posterior section of the corpus bursae, and much smaller appendix bursae.

Distribution. The new species is known from North East India (Sikkim, Arunachal Pradesh and north of West Bengal), Nepal ( Kishida 1994, as divakara  ) and China (Sichuan and Yunnan) ( Fang 1992; 2000, as divakara  ).


Bavarian State Collection of Zoology