Attracted by 365mn UV Light
白背飛虱 Sogatella furcifera
Only about 3-4mm
Reference :
https://www.baphiq.gov.tw/Publish/plant_protect_pic_8/ricePDF/03-10.pdf
A Photographic Guide to Hong Kong Insects 香港昆蟲圖典 1st Edition 2014 P.111 - Hong Kong Entomological Society
Sogatella furcifera (White-backed Planthopper). Photographed at Halowa, Assam, India on 30 April 2023.