Polytremis lubricans / Contiguous Swift 黃紋孔弄蝶 WSF

Reference
(A) Fung Yuen Biodiversity Series : Hong Kong Butterfly Watching Guide Book P.48 July 2013 3rd Editon
(B) 郊野情報 - 蝴蝶篇 Hong Kong Butterflies - 3rd edition - Philip Yik-fui Lo / Wing-leung Hui - AFCD Page 172
(C) http://www.afcd.gov.hk/tc_chi/conservation/hkbiodiversity/database/popup_record.asp?id=3645