Neurosigma siva nonius  de Nicéville,1896

siva nonius ♂ Up. siva nonius ♂ Un. siva nonius ♀ Up. siva nonius ♀ Un.
♂, Chiang Mai, Thailand. ♀, Chiang Mai, Thailand.
siva nonius ♂ Up. siva nonius ♂ Un. siva nonius ♂ Up. siva nonius ♂ Un.
♂, Chiang Mai, Thailand. ♂, Nan, Thailand.
siva nonius ♂ Up. siva nonius ♂ Un. siva nonius ♂ Up. siva nonius ♂ Un.
♂, Chiang Mai, Thailand. ♂, Chiang Mai, Thailand.

ON : Neurosigma nonius de Nicéville,1896
OD : Ann. Mag. nat. Hist. (6)17:396.
TL : Karenni, Burma. (♂, NZC)



Distribution : Myanmar, Thailand, Laos, N.Vietnam.
siva nonius map


Synonym

Neurosigma siva orientale Miyata & Hanafusa,1992 : Futao 10:14, pl.2, figs.1(HT,♂),2(HT,♂Un). TL. Tam Dao, N.Vietnam.


Type Materials Information

nonius : Type ♂, 1890.iii-iv, East Pegu. W.Doherty (NZC) ; Sheela et al.,2019 : 266, figs.♂,♂(Un).
orientale :
Holotype ♂, Tam Dao, N.Vietnam, 1992.May.7. T.Miyata leg. (in coll. T.Miyata)
Paratypes ; 5♂, Tam Dao, 1991.Sep.3-10 ; 9♂, Tam Dao, 1992.May.6-8. (in coll. T.Miyata & H.Hanafusa)


Records taken from Literature

[ THAILAND ]
Neurosigma doubleday doubleday ; Godfrey,1927 : 124. (N)
Neurosigma doubleday doubleday ; Godfrey,1930 : 288. (Chiang Mai: Doi Suthep)
Neurosigma doubleday nonius ; Pinratana,1979 : 66, figs.N115,♂,♂(Un). (Chiang Mai / "Yala" [loc.err.])
Neurosigma siva nonius ; Pinratana & Eliot,1996 : 66, pl.42, fig.119,♂. (Chiang Mai / Loei)
Neurosigma siva nonius ; Ek-Amnuay,[2007] : 416, pl.182, figs.N124,♂,♂(Un),♀. (Omkoi)
Neurosigma siva nonius ; Ek-Amnuay,2012 : 426, pl.186, figs.N290,♂,♂(Un),♀. (Doi Suthep / Omkoi)
Neurosigma siva nonius ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2015- : Butterflies of Thailand, fig. (Kamphaeng Phet) (accessed: 2020.09.24)
Neurosigma siva nonius ; Kimura et al.,2016 : 95, figs.♂,♂(Un),♀,♀(Un). (Doi Pha Hom Pok / Doi Suthep / Doi Inthanon)

[ LAOS ]
Neurosigma doubledayi f.nonius ; Dubois & Vitalis de Salvaza,1924 : 42. (Sala-Tong-King, Nam-Tie)
Neurosigma siva nonius ; Osada, Uémura & Uehara,1999 : 207, pl.62, fig.♂. (Oudomxay) (in part)
Neurosigma siva nonius ; Nakamura & Wakahara,2012 : 46.

[ VIETNAM ]
Neurosigma siva orientale Miyata & Hanafusa,1992 : Futao 10;14, pl.2, figs.1(HT,♂),2(HT,♂Un). (N: Tam Dao)
Neurosigma siva nonius ; Monastyrskii & Devyatkin,2015 : 39. (N) (in part)
Neurosigma siva nonius ; Monastyrskii,2019 : 2:99-100. (N: Dong Phuc ; Tam Dao ; Ba Vi) (in part)


Specimens Examined

[ THAILAND ]
Chiang Mai : 15♂ 2♀ (incl.photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Nan : 4♂ 1♀ (incl.photo).
JanFebMarAprMayJun JulAugSepOctNovDec

Chaiyaphum : 1♀ (photo & photo by T.Aoyama).
JanFebMarAprMayJun JulAugSepOctNovDec


[ VIETNAM ]
Vinh Phuc : 1♀.
JanFebMarAprMayJun JulAugSepOctNovDec


Notes
The butterfly is not rare in montane forest at moderate elevations (alt.1300m - 1700m) and is frequently found on the hilltops.
I suspect it mimics to Achelura sp. cf.hai (Zygaenidae) which occurs sympatrically.

Literature

de Nicéville, C.L.A.,1896 : Description of a new Nymphaline Butterfly from Burma.
Ann. Mag. nat. Hist. (6)17:396.

Miyata, T. & H. Hanafusa,1992 : A new subspecies of Neurosigma siva (Westwood) from Vietnam. (Lepidoptera: Nymphalidae)
Futao 10:14-15, pl.2.

2007.03.20 - 2020.10.31.

A Check list of Butterflies in Indo-China, Chiefly from THAILAND, LAOS & VIETNAM. Copyright © Y.Inayoshi.