Cyana gazella ( Moore, 1872 )

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 : 36

Cyana gazella ( Moore, 1872)

( Figs 96, 97 , 203 , 267 )

Bizone gazella Moore, 1872 , Proceedings of the general meetings for scientific business of the Zoological Society of London 1872: 572, pl. 33, fig. 4 (Type locality: “Masuri, N.W. Himalaya”).

Type material examined. Lectotype (designated herein): ♂, handwritten label “Ind.” / handwritten label “ Bizone gazella . ♂, Moore (type)” / printed label “Type” / handwritten label “ A Moore’s type ♂ Bizone gazella PRS.1872.572” / printed label “518” / “TYPE (printed) LEP.: No. 431 Bizone gazella Moore (handwritten) HOPE DEPT. OXFORD (printed)” (Coll. OUMNH).

Other material examined. JAMMU & KASHMIR: 1 ♀, Kashmere (Coll. NHMUK) ; HIMACHAL PRADESH: 1 ♂, Dharmsala (Coll. NHMUK) ; 1 ♂, 2 ♀, Kangra ( Hocking ) 86–69, slide NHMUK010313267 (♂) Volynkin (Coll. NHMUK) ; UTTARAKHAND: 1 ♀, N India, Bhimtal, 1500m, 8–19.X.[19]80, Dr. Liedgens, slide MWM 34493 (♀) Volynkin (Coll. MWM / ZSM) ; SIKKIM: 1 ♀, Sikkim, 2.VI.[18]89, J.G. Pilcher / 67.20. Ex coll. Ed Brabant. 1920 (Coll. NHMUK) ; 1 ♀, Sikkim , IX.1909, F. Moller, 1910–140 (Coll. NHMUK) ; 1 ♀, Sikkim, 2.VI.[18]89, J.C. Pilcher (Coll. NHMUK) ; 2 ♀, India, Sikkim, Golitar , 26.IV.2009, (Coll. Rahul Joshi) ; 2 ♂, Man- gan, 6.VI.2003, leg. Navneet Singh (Coll. NZCZSI) ; 1 ♂, Sikkim, Yuksom , 12.V.2014, leg. H.S. Datta (Coll. NZC- ZSI) . WEST BENGAL: 1 ♀, Gopaldhara, Darjeeling, 3440–5800’ (H. Stevens), slide AV2079 ♀ Volynkin (Coll. ZFMK) ; 1 ♀, Gopaldhara, Darjeeling , 4720’ (H. Stevens), V.1912 Volynkin (Coll. ZFMK) ; 1 ♂, India WB, Darjeel- ing, 2100 m, 28.VIII.–1.IX.1988, leg. W. Thomas (Coll. MWM / ZSM) ; 1 ♂, India WB, Darjeeling, Tigerhill , 2400 m, 29–31.VIII.1988, leg. W. Thomas (Coll. MWM / ZSM) ; ASSAM: Assam, W.F. Badgley, IX., 1906–185, slide NHMUK010313268 (♂) Volynkin (Coll. NHMUK) ; MEGHALAYA: 2 ♂, Khasis, Nat. Coll. (Coll. NHMUK) .

Remark. Moore (1872) described the species based on an unknown number of syntypes of both sexes deposited in two collections. In order to stabilize the nomenclature, here we designate the male specimen deposited in OUMNH and labeled as “Type” as lectotype.

Diagnosis. Forewing length is 17–18.5 mm in males and 20–21.5 mm in females. Cyana gazella is an unmistakable species due to its irregularly reticulate forewing pattern. Among other Cyana species, only C. kubani Černý, 2016 (illustrated by Černý 2016 and Bayarsaikhan & Bae 2016) has similar reticulate forewing pattern, but it differs clearly from C. gazella by its much smaller size, narrower forewing of both sexes, broader pattern elements, pale orange hindwing (in C. gazella the hindwing is white or white with grayish suffusion), and its principally different genitalia structures (illustrated by Černý 2016 and Bayarsaikhan & Bae 2016). The male genital capsule of C. gazella is similar to that of C. dohertyi , but differs by the basally broader uncus, the slightly broader valva, the welldeveloped medial crest of valva, and the slightly shorter distal section of valva and the distal saccular process. The vesica of C. gazella differs clearly from those of other relatives by the long dorsal diverticulum bearing a cluster of numerous robust spinules, and the presence of a broad distal cluster of robust spinules. The female genitalia of C. gazella are most similar to those of C. dohertyi , but differ by the broader and less sclerotized posterior section of corpus bursae with a lateral sclerotized broadly rounded protrusion.

Distribution. North and North East India (Jammu and Kashmir, Himachal Pradesh, Uttarakhand, Sikkim, north of West Bengal, Meghalaya, Assam) ( Moore 1872; Strand 1922; Smetacek 2008), Nepal ( Kishida 1993), China (Yunnan) (present study), North Thailand and North Vietnam ( Černý & Pinratana 2009).

Figures

FIGURES 96–103. Cyana spp.: adults. 96, C. gazella, ♂, India, West Bengal (MWM/ZSM); 97, ditto, ♀, India, Uttarakhand (MWM/ZSM); 98, C. dohertyi dohertyi, lectotype ♂, India, Manipur (©NHMUK); 99, ditto, paralectotype ♀, India, Manipur (©NHMUK); 100, ditto, paralectotype ♂, India, Manipur (©NHMUK); 101, ditto, ♂, Nepal (MWM/ZSM); 102, C. dohertyi eirene, holotype ♂, India, Uttarakhand (MWM/ZSM); 103, ditto, paratype ♀, India, Uttarakhand (MWM/ZSM).

FIGURES 203–205. Cyana spp.: male genitalia. 203, C. gazella, India, West Bengal, slide MWM 34492 Volynkin; 204, C. dohertyi dohertyi, Nepal, slide MWM 35886 Volynkin; 205, C. dohertyi eirene, holotype, India, Uttarakhand, slide MWM 31804 Volynkin.

FIGURES 262–267. Cyana spp.: female genitalia. 262, C. guttifera, India, Sikkim, slide ZSM Arct. 125/2017 Volynkin; 263, C. moelleri, India, West Bengal, slide MWM 35879 Volynkin; 264, C. watsoni, India, Meghalaya, slide MWM 35877 Volynkin; 265, C. chrysopeleia, paratype, India, Uttarakhand, slide MWM 35878 Volynkin; 266, C. intercomma, paratype, Thailand, slide AV4663 Volynkin; 267, C. gazella, India, Uttarakhand, slide MWM 34493 Volynkin.