69. Cyclorhipidion circumcisum (Sampson) *
Xyleborus circumcisus Sampson, 1921: 30 .
Cyclorhipidion circumcisum (Sampson): Wood & Bright, 1992: 698.
Thai distribution: N: Tak; S: Phangnga. New to Thailand .
New records: Phangnga, Sri Phannga NP, 25.iii.2006 (S.Stephens et al.) (1); Tak, Umphang Distr., Thung Yai WS, Song Bae stream, 15 o 28' N, 98 o 48' E, 300 m, evergreen rain forest, 18–27.iv.1988 (M. J. D. Brendell) (1) .
Other distribution: Indonesia ((Java, Sumatra), Malaysia (E. & W.). Intercepted in Japan in timber imported from East Malaysia. The species also occurs in the Philippines (R. A. Beaver, unpublished record). (3)
Biology: Recorded from Castanopsis, Quercus and Pasania, and apparently strictly associated with Fagaceae (Browne 1961a) . It is not size-selective. The gallery system is usually unbranched, and has a terminal brood chamber enlarged in the longitudinal plane (Browne 1961a).
Illustrations: D (Nunberg 1982 as Xyleborus circumcisus).