For interest, out last week at Doi Luang NP and Doi Phu Nang NP, east of Chiang Mai.
Miletus archilochus siamensis seemed to out in good numbers. Here are some examples showing variation in the field.

b4145 Siamese Brownie (Miletus archilochus siamensis) - DLU Chompa Thong Falls 01 01.JPG

b4145 Siamese Brownie (Miletus archilochus siamensis) - DLU Chompa Thong Falls 01 02.JPG

b4145 Siamese Brownie (Miletus archilochus siamensis) - DPN Huai Ton Pueng Falls 02.JPG

b4145 Siamese Brownie (Miletus archilochus siamensis) - DPN Huai Ton Pueng Falls 03.JPG

b4145 Siamese Brownie (Miletus archilochus siamensis) - DPN Huai Ton Pueng Falls 04.JPG