Wasps, bees, ants & sawflies (Order Hymenoptera) > 點馬蜂 (Polistes stigma)

ID Confirmed by Christophe @ hkwildlife

Reference :
(1) A Photographic Guide to Hong Kong Insects 香港昆蟲圖典 1st Edition 2014 P.698 - Hong Kong Entomological Society
(2) Provisional Guide to The Social Vespids of Hong Kong. C. Barthélémy Page 93 of 132