Sinoxylon sexdentatum (Olivier) (Fig. 5J)

Bostrichus sexdentatus Olivier, 1790: 110 .

Distribution in mainland China: SC (Chu & Zhang 1997).

Other distribution. Eastern and Southern Europe, Turkey, Cyprus, North Africa, Syria, Israel, Iran. Introduced into North America (Liu et al. 2016).

Biology. The species has been recorded elsewhere from the families Anacardiaceae, Araliaceae, Fabaceae, Fagaceae, Juglandaceae, Moraceae, Oleaceae, Poaceae, Ranunculaceae, Rhamnaceae, Rosaceae, Ulmaceae, Vitaceae (Fisher 1950; Liu et al. 2016). The species may transmit a canker fungus ( Botryosphaeria stevensii) which causes ‘black dead arm’ in vines, and may also be involved in oak decline (Liu et al. 2016). A braconid wasp, Triapsis floricola (Wesmael), is a parasitoid of the larvae. This species is recorded also from Iran (Liu et al. 2016).

Sinoxylon tignarium Lesne, 1902: 116 . (Fig. 5K)

Distribution in mainland China: SC, YN (Borowski 2007). Unspecified locality in West China (Hua 2002).

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

Biology. Beeson & Bhatia (1937) collected the species from bamboo, Mallotus roxburghianus Müll.Arg. (Euphorbiaceae) and Terminalia myriocarpa Van Heurck & Müll. Arg. (Combretaceae) .