Cyana dudgeoni Hampson, 1895

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: 18-19

publication ID

https://doi.org/10.11646/zootaxa.4738.1.1

publication LSID

lsid:zoobank.org:pub:B29D53CB-4E0D-4A25-97EC-ED983730E8B2

DOI

http://doi.org/10.5281/zenodo.3680103

persistent identifier

http://treatment.plazi.org/id/03B8587A-3D0D-FB04-5FC7-FE7AFB27FD9B

treatment provided by

Plazi

scientific name

Cyana dudgeoni Hampson, 1895
status

 

Cyana dudgeoni Hampson, 1895 

( Figs 39–41View FIGURES 39–51, 178View FIGURES 176–178, 251View FIGURES 246–251)

Cyana dudgeoni Hampson, 1895  , Transactions of the Entomological Society of London 1895: 293 (Type locality: [ India, Sikkim] “Sikhim”).

Type material examined. Lectotype (designated herein) ( Fig. 39View FIGURES 39–51): ♂, “ Sikkim. (printed) 10.6.90 (handwritten) G.C. Dudgeon. 94–52. (printed)” / handwritten label “ Cyana dudgeoni  type ♂. Hmpsn.” / printed round label with a red circle “Type” / printed label with a unique identifier “NHMUK010597945” (Coll. NHMUK). 

Other material examined. SIKKIM: 1 ♀, India, Sikkim , Legship, 500 m, 24–28.VII.1990, leg. W. Thomas (Coll. MWM / ZSM)  ; 1 ♂ India, Sikkim , Chungthang, 28.IV.2014, leg. H.S. Datta (Coll. NZCZSI)  ; WEST BEN- GAL: 1 ♂, Gopaldhara, Mirik, Sikkim (H. Stevens) (Coll. NHMUK)  ; 2 ♀, Darjiling (F. Moller) (Coll. NHMUK)  ; 2 ♂, 2 ♀, India W.B., 850 m, Darjeeling , Pashok, leg. W. Thomas, 29.III.1986 (2 ♂), 3.IV.1986 (1 ♀), 4.VII.1986 (1 ♀) (Coll. MWM / ZSM)  ; 1 ♂, India WB, Darjeeling , 2000 m, 12–20.VIII.1985, leg. Dr. W. Thomas (Coll. MWM / ZSM)  ; 1 ♂, India WB, Darjeeling Mangpu-road , 1800 m, 18. VI.1987, leg. W. Thomas, coll. Dr. W. Thomas, Mus. Witt, München (Coll. MWM / ZSM)  ; 1 ♂, 2 ♀, India WB, 650 m, Darjeeling Rambi , 28.III.1986, leg. W. Thomas, slide MWM 34416View Materials (♀) Volynkin (Coll. MWM / ZSM)  ; ASSAM: 2 ♂, 1 ♀, NE India, Assam , Pan Bari Reserve For- est, 27°08’N, 94°00’E, 4–7.VII.1997, leg. Sinjaev & Murzin (Coll. MWM / ZSM)GoogleMaps  ; 1 ♀, NE India, Assam , Nameri Nat. Park, 40 km N Tezpur, 150 m, 27°20’N, 93°15’E, 24.VII–2.VIII.1997, leg. Sinjaev & Murzin (Coll. MWM / ZSM)GoogleMaps  ; MEGHALAYA: 1 ♀, Khasis, 94–246 (Coll. NHMUK)  ; 3 ♂, 1 ♀, Khasis. Nat. Coll. (Coll. NHMUK)  ; 1 ♂, Khasia Hills, Assam, Nissary (Coll. NHMUK)  ; 1 ♂, Khasia Hills , X.1894, Nat. Coll. (Coll. NHMUK)  ; 3 ♂, 45 ♀, NE India, W Meghalaya , Umran, 33 km N Shillong, 26°06’N, 92°23’E, 800 m, 14–23.VII.1997, leg. Sinjaev & Afonin, slide MWM 34415View Materials (♂) Volynkin (Coll. MWM / ZSM)GoogleMaps  ; 3 ♂, 5 ♀, NE India, Assam , W Meghalaya , Garo Hills, Nokrek National Park, 25°40’N, 91°04’E, 1150 m, 2–13.VII 1997, leg. Afonin & Sinajev (Coll. MWM / ZSM)GoogleMaps  ; ARUNACHAL PRADESH: 1 ♂, India, Arunachal Pradesh , Poma, 29.IV.2016, leg. H.S. Datta (Coll. NZCZSI)  ; 1 ♀, India, Arunachal Pradesh , Raga, 4.V.2016, leg. H.S. Datta (Coll. NZCZSI)  ; 2 ♀, India, Arunachal Pradesh , Raga, 5.V.2016, leg. H.S. Datta (Coll. NZCZSI)  ; 1 ♀, India, Arunachal Pradesh , Tippi, 15.V.2016, leg. H.S. Datta (Coll. NZCZSI)  ; 1 ♀, India, Arunachal Pradesh , Tippi, 16.V.2016, leg. H.S. Datta (Coll. NZCZSI)  ; MIZORAM: 1 ♂, Mizoram , Serchip, 8.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 3 ♂, India, Mizoram , Serchip, 9.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 2 ♂, India, Mizoram , Thenzawl, 6.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 3 ♂, Mizoram , Lunglei, 10.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 1 ♂, India, Mizoram , Lunglei, 11.iv.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 1 ♂, India, Mizoram , Zotlang, 15.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 2 ♂, India, Mizoram , Zotlang, 16.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 1 ♀, India, Mizoram , Zotlang, 16.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  ; 2 ♂, India, Mizoram , Reiek, 20.IV.2017, leg. H.S. Datta (Coll. NZCZSI)  .

Remark. In the original description, Hampson (1895) described male and female, therefore the description is based on syntypes. As for the genus, a strong sexual dimorphism is characteristic and as many species are distributed sympatrycally, so confusion is possible. In order to stabilize the nomenclature, we designate the male specimen deposited in NHMUK and labeled as ‘type’ as lectotype.

Diagnosis. Forewing length is 11.5–12 mm in males and 14.5–15 mm in females. Cyana dudgeoni  resembles externally C. obliquilineata  and C. rudloffi  , but male differs by the not angled forewing costa at apex, less elongated forewing apex, antemedial line of uniform width (in C. obliquilineata  and C. rudloffi  that is narrowed in the cell), postmedial line being less narrowed in the cell and not curved between the cell and the costa, and the black spots being situated as a triangle with the base being parallel the forewing costa (whereas in C. obliquilineata  and C. rudloffi  the black spots form a triangle with the base parallel the anal forewing margin). The female of C. dudgeoni  differs from those of C. obliquilineata  and C. rudloffi  by its black medial spots of forewing forming a shorter triangle, antemedial line being strongly curved between the cell and the forewing costa, and the postmedial line being slightly more strongly curved in the cell. The male genital capsule of C. dudgeoni  is most similar to that of C. rudloffi  , but can be distinguished by its medially broader valva with a shorter distal section, and distal saccular process of uniform width (in C. rudloffi  that is broadened distally). The aedeagus of C. dudgeoni  is significantly smaller than that of C. obliquilineata  and C. rudloffi  , the vesica is broad, globular, bears a broad cluster of numerous short spinules, whereas in C. obliquilineata  and C. rudloffi  the vesica is narrower, elongate, bears two lateral clusters of robust spine-like cornuti medially, and a small cluster of spine-like cornuti on the tip of its distal diverticulum. The female genitalia of C. dudgeoni  differ clearly from those of C. obliquilineata  and C. rudloffi  by the rugose sclerotized posterior section of corpus bursae with no band-like clusters of spinules.

Distribution. North East India (Sikkim, north of West Bengal, Assam, Meghalaya, Manipur, Nagaland, Mizoram, Arunachal Pradesh) ( Hampson 1900; Singh et al. 2014), Nepal, China, Thailand ( Černý & Pinratana 2009), Laos, Vietnam, Cambodia ( Bayarsaikhan & Bae 2016), Malay Peninsula ( Bucsek 2012).

NHMUK

Natural History Museum, London

ZSM

Bavarian State Collection of Zoology

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Lepidoptera

Family

Erebidae

Genus

Cyana

Loc

Cyana dudgeoni Hampson, 1895

Singh, Navneet, Volynkin, Anton V., Kirti, Jagbir Singh, Datta, Harvinder Singh & Ivanova, Maria S. 2020
2020
Loc

Cyana dudgeoni

Hampson 1895
1895