141. Xyleborinus perpusillus (Eggers) *

Xyleborus perpusillus Eggers, 1927a: 404 .

Xyleborinus perpusillus (Eggers): Hulcr, 2010: 115.

Xyleborus perminutissimus Schedl, 1934: 90 . Synonymy: Hulcr, 2010: 116.

Thai distribution: C: Kanchanaburi; N: Chiang Mai; S: Chumphon, Nakhon Sri Thammarat, Surat Thani . The record from Nakhon Ratchasima (Beaver & Browne 1975 as Xyleborus perminutissimus) should be deleted since it was based on a misidentified specimen. The species is hence new to Thailand.

New records: Chiang Mai, [Chiang Mai city], 300 m, MT, 23.i.1971 (R. A. Beaver) (1) ; Chumphon, Sawi distr., 10° 19' 35.1'' N, 99° 01' 21.0'' E, 103 m, durian plantation, EtOH trap, 1.x.2009 (W. Sittichaya) (3) ; as previous except: Thung Tako Distict, 10° 02' 21.8'' N, 98° 59' 13.5'' E, 107 m, 1.ix.2009 (7) ; Kanchanaburi, Khuean Srinagarindra NP, Huai Mae Kamint, 14° 38.123' N, 98° 59.657' E, MT, 9–16.x.2008 (Somboon & Daorueng) (1) ; Nakhon Sri Thammarat, Chang Klang Distr., 08° 21' 33.7'' N, 99° 39' 02.9'' E, 60 m, durian plantation, EtOH trap, 1.xi.2009 (W. Sittichaya) (1) ; Khao Luang NP, headquarters, 08° 22' 21.6'' N, 99° 44' 14.7'' E, 196 m, EtOH trap, 1.iii.2010 (W. Sittichaya) (7) ; Namtok Yong NP, 8° 10.434' N, 99° 44.508' E, 80 m, MT,15–22.vii., 29.vii.–5.viii., 9–16.ix.2008 (U-prai, K.) (3) ; Surat Thani, Bhan Nasan Distr., 08° 48' 57.3'' N, 99° 23' 52.2'' E, 62 m, durian plantation, EtOH trap, 1.i.2010 (W. Sittichaya) (1) ; Khao Sok NP, Headquarters, 8° 54.896' N, 98° 31.81' E, 115 m, pan trap, 13–14, 14–15,15– 16.vii.2008 (Buathong, S.) (3) ; as previous except: MT, 10–17.vii., 23–30.xii.2008, 16–23.vi.2009 (Pongphan) (4); as previous except: Bang Huaraed, 8° 54.555' N, 98° 30.522' E, 122 m, 21–28.x.2008 (1) ; as previous except: Klong Morg Unit, 8° 53.725' N, 98° 39.025' E, 87 m, 2–9.xii.2008 (2).

Other distribution: Indonesia (Java, Sumatera), Malaysia (E. & W.), Papua New Guinea. (3)

Biology: The species attacks small trees of several families including palms ( Arecaceae).

Illustrations: P (Hulcr 2013).