Sinoxylon pygmaeum Lesne, 1897: 20 . (Fig. 5H)

Distribution in mainland China: GS (Liu 2010).

Other distribution. India, Nepal, Burma, Thailand, Vietnam, Taiwan (Liu & Beaver 2018).

Biology. A polyphagous species common in dry branches and small stems of numerous species (Beeson & Bhatia 1937). The species was found attacking a cut sapling of Samanea saman (Jacq.) Merr. (Fabaceae) in Chiang Mai together with Sinoxylon anale (Beaver et al. 2011) .