157. Xylosandrus mancus (Blandford)

Xyleborus mancus Blandford, 1898: 428.

Xylosandrus mancus (Blandford): Wood, 1984: 229.

Thai distribution: C: Chanthaburi; N: Chiang Mai; N-E: Loei; S: [unspecified southern province] (Sittichaya et al. 2012); Chumphon (Sittichaya & Beaver 2009), Nakhon Sri Thammarat, Ranong (Murphy & Meepol 1990 as Xyleborus mancus), Surat Thani.

New records: Chanthaburi, Khao Khitchakut NP, nature trail, 12° 50.55' N, 102° 7.3' E, 50 m, MT, 17–24.iv.2009 (S. Charoenchai) (1); Chiang Mai, Doi Chiang Dao WS, Nature trail, 19° 24.278' N, 98° 55.311' E, 491 m, pan trap, 30.ix–1.x., 3–4., 4–5.x.2007 (Songkran & Apichart) (3); Chumphon, Sawi distr., 10° 19' 35.1'' N, 99° 01' 21.0'' E, 103 m, durian plantation, EtOH trap, 1.xii.2010 (W. Sittichaya) (1); Thung Tako Distr., 10° 02' 41.9'' N, 99° 01' 5.7'' E, 86 m, durian plantation, EtOH trap, 1.ix.2009 (W. Sittichaya) (32); Loei, Phu Ruea NP, office, 17° 28.805' N, 101° 21.242' E, 870 m, MT, 12–19.vii.2006 (P. Tamtip) (1); Nakhon Sri Thammarat, Chang Klang Distr., 08° 20' 59.7'' N, 99° 40' 14.6'' E, 70 m, durian plantation, EtOH trap, 1.xii.2009 (W. Sittichaya) (78); Khao Luang NP, headquarters 08° 22' 21.6'' N, 99° 44' 14.7'' E, 196 m,VT, 1.v.–31.v.2010 (W. Sittichaya) (109); Khao Nan NP, sifting trop. rain forest litter, 24.iv.2006 (A.Hasalem) (2); Surat Thani, Bhan Nasan Distr., 08° 53' 10.7'' N, 99° 24' 02.6'' E, 60 m, durian plantation, EtOH trap, 1.xii.2009 (W. Sittichaya) (56).

Other distribution: From the Indian subcontinent and China through Southeast Asia to Indonesia West of Wallace’s line, Philippines, Taiwan. Presumably imported to and established in Madagascar, Mauritius, Seychelles, Tanzania. Intercepted in Japan in timber imported from the Oriental region. (4)

Biology: Polyphagous (Browne 1961a, Wood & Bright 1992). Browne (1961a) describes the biology and gallery system. This was the most abundant species in the durian orchards in southern Thailand (Sittichaya et al. 2012).

Illustrations: P (Dole & Cognato 2010); D (Nunberg 1959 as Xyleborus formosanus, Maiti & Saha 2004).