♂, 1992.10.11. Trat, Thailand.		♀, Sa Kaeo, Thailand. (photo by S.Sophonviwatkul)
♂, Chanthaburi, Thailand.		♂, Lam Dong, Vietnam. (photo by K.Saito)
♂ (bred), Nakhon Nayok, Thailand. (photo by S.Sophonviwatkul)		♂ genitalia, Trat, Thailand.

ON : Pyroneura callineura natalia Devyatkin & Monastyrskii, 2003 OD : Atalanta 34(1/2):125-126, col.pl.Xc, figs.1♂,2♂(Un). TL : Cat Tien, Vietnam. (♂,MSU) Distribution : C. to S.E.Thailand, Cambodia, Vietnam. ● ssp.natalia ● ssp.donatana

Holotype ♂, 10.May.2000. Cat Tien. A.L.Monastyrskii (MSU)
Paratypes : 1♀, Cat Tien, Dinh Vu. ; 1♂, Cat Tien, Bao Lam ; 1♂, Cat Tien, Cat Loc.

[ THAILAND ]
Plastingia callineura burmana ; Godfrey,1930 : 376. (Chanthaburi: Khao Sabap)
Pyroneura callineura natalia ; Saito & Inayoshi,2018 : 40-41, figs.140,♂,♂(Un). (Chanthaburi; Trat)
Pyroneura callineura natalia ; S.Sophonviwatkul, C.Sunthornwiphat & T.Laola,2023- : Butterflies of Thailand, figs. (Sa Kaeo; Nakhon Nayok; Chanthaburi) (accessed: 2023.09.02)

[ CAMBODIA ]
Pyroneura callineura natalia ; Chartier & Kosterin,2022 : 126, fig.7N,[♂(Un)]. (Koh Kong)

[ VIETNAM ]
Pyroneura callineura natalia ; Monastyrskii & Devyatkin,2015 : 81. (C: Lam Dong)

[ THAILAND ]
Sa Kaeo : 2♂ 1♀ (incl. photo by S.Sophonviwatkul & C.Sunthornwiphat).

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Nakhon Nayok : 1♂.

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Chanthaburi : 4♂ (incl. photo by A.Giudici).

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Trat : Koh Chang dist. 1992.10.11. 1♂ P.Sukkit (YI)

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[ VIETNAM ]
Lam Dong : 5♂.

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New to Thailand. The individual that Godfrey,1930 reported in Chanthaburi is possible to be this species. The confirmed record from Thailand is captured by Prasobsuk Sukkit on 11.Oct.1992 at Koh Chang, Trat.
The butterfly is locally not rare in montane forests at low elevations (Alt. 30 - 350m). Both sexes visit flowers.
The characteristics of the male UpF are very similar to Pyroneura niasana burmana. The male genitalia is closely related to Pyroneura callineura, but is much more specialised. I suspect that this may be a distinct species, as Devyatkin & Monastyrskii (2003:126) have pointed out. Further taxonomic study is needed.

Devyatkin, A.L. & Monastyrskii, A.L.,2003 : Hesperiidae of Vietnam, 15.
New records of Hesperiidae from southern Vietnam (Lepidoptera, Hesperiidae)
Atalanta 34(1/2):119-133, col.pl.Xc.

♂, Sa Kaeo, Thailand. (photo by C.Sunthornwiphat)	♂, Chanthaburi, Thailand. (photo by A.Giudici)

2017.12.31 - 2023.10.31.