Fraudatrix cuneiformis (Schedl) Cognato & Smith & Beaver, 2020

Cognato, Anthony I., Smith, Sarah M. & Beaver, Roger A., 2020, Two new genera of Oriental xyleborine ambrosia beetles (Coleoptera, Curculionidae: Scolytinae), Zootaxa 4722 (6), pp. 540-554 : 545-546

Fraudatrix cuneiformis (Schedl) comb. n.

( Figs 3–6 )

Xyleborus cuneiformis Schedl, 1958: 104 .

Diagnosis: 1.90–2.15 mm long (mean = 2.02 mm; n = 5); 2.86–3.07 times as long as wide. This species is distinguished by the anterior margin of the pronotum rounded, declivital strial punctures indistinct, interstrial granules large, distinct, elytral apex narrowly attenuate and stouter form.

Material examined: Lectotype, female, MALAYSIA: Selangor, Kepong, 6.x.1949, F.G. Browne, ex Shorea macroptera (NHMW); Sabah, Sipitang, Mendolong, 11.v.1988, leg. S. Adebratt ( RABC, 1). TAIWAN: Nantou Co., Sun Moon Lake , EtOH trap, 3.x.2013, C-S. Lin ( RABC, 1); as previous except: Hui Son, EtOH [trap], 10.viii.2006, Liu, L-Y. ( RABC, 1).

Distribution: Brunei, East & West Malaysia, Singapore, Taiwan.

Host plants: Recorded only from two species of Shorea (Dipterocarpaceae) ( Schedl 1958).

Remarks: The gallery system has branched tunnels with small brood chambers in the longitudinal plane ( Browne 1961).

Figures

FIGURES 3–18. Lateral, dorsal, posterior oblique and anterior view of Fraudatrix cuneiformis (3–6), F. melas (7–10), F. pileatula (11–14), F. simplex (15–18).