Cyclorhipidion miyazakiense (Murayama, 1936) Fig. 42E, F, K

Xyleborus miyazakiensis Murayama, 1936: 144.

Cyclorhipidion miyazakiense (Murayama): Smith et al. 2018b: 395.

Xyleborus armipennis Schedl, 1953c: 27. Synonymy: Smith et al. 2018b: 395.

Xyleborus wakayamensis Nobuchi, 1981a: 144. Synonymy: Smith et al. 2018b: 395.

Type material.

Lectotype Xyleborus armipennis (NHMW). Holotype Xyleborus wakayamensis (NIAES).

New records.

China: Fukien [Fujian], Shaowu, Tachuland, 4.v.1943, T.C. Maa (BPBM, 1). N. Guangxi reg., Miaoershan, S slope, 1300-200 m, 25-28.vi.1997, Bolm (NHMB, 2; RABC, 1). Japan: Okinawa, Yona, J. Hulcr, ex Castanopsis (UFFE, 1). Vietnam: Lao Cai, Hoang Lien N.P., 22.35, 103.77, 1500 m, 17.v.2019, VN156, S.M. Smith, A.I. Cognato, ex 4 cm branch (MSUC, 1).

Diagnosis.

2.6-3.0 mm long (mean = 2.87 mm; n = 4); 2.5-2.8 × as long as wide. This species is distinguished by the elytral disc with a shallow median saddle-like impression; declivity very steep; declivital posterolateral margin carinate to interstriae 5; elytral apex bearing two single triangular spines at interstriae 1 and 3 that are at least the width of an interstria (additional smaller denticles may be present along posterolateral margin); and declivital face unarmed by tubercles.

Similar species.

Cyclorhipidion armiger, C. obesulum, C. xyloteroides .

Distribution.

China (Fujian, Guangxi*, Sichuan), Japan, Thailand, Vietnam*.

Host plants.

Recorded only from Castanopsis and Quercus ( Fagaceae) (Murayama 1936; Beaver et al. 2014).