Genus Trilophus Andrewes, 1927

Trilophus tonkinensis Balkenohl, 1999

This is a new species for Hong Kong. Species determined by Michael Balkenohl from specimens. Material: 1 ex. Hong Kong, Ping Shan Chai. 26.ix-10.x.2015. Leg. C Barthelemy, Malaise Trap; 1 ex. Hong Kong, Ping Shan Chai, 10-25.x.2015. Leg. C Barthelemy, Malaise Trap. Biology: Imago: October. As found in a malaise trap, can presumably fly.