Xyleborus pfeilii (Ratzeburg, 1837) Fig. 90G, H, L

Bostrichus pfeilii Ratzeburg, 1837: 168.

Xyleborus pfeilii (Ratzeburg): Eichhoff, 1864: 38.

Bostrichus alni Mulsant & Rey, 1856: 111. Synonymy: Eichhoff 1876b: 378.

Xyleborus vicarius Eichhoff, 1876a: 203. Synonymy: Schedl 1963a: 482.

Xyleborus adumbratus Blandford, 1894b: 115. Synonymy: Schedl 1963a: 482.

Xyleborus septentrionalis Niisima, 1909: 162. Synonymy: Smith et al. 2018b: 398.

Type material.

Lectotype Xyleborus septentrionalis (NIAES), paralectotype (NIAES, 1).

New records.

China: Jiangxi, Jinggang Shan Mts., Xiangzhu vill. env., 26°35.5'N, 114°16.0'E, 374 m, rice fields, forested stream valley, M. Fikáček, J. Hájek (MNHP, 2; RABC, 1). India: Assam-Arunachal Pradesh border: Bhalukpong, 27°00'48"N, 92°39'08"E, 150 m, 1-8.v.2012, L. Dembický, FIT (ZFMK, 2); as previous except FIT (flight intercept trap) (ZFMK, 1). Laos: NE, Hua Phan, Ban Saluei, Phou Pan Mt., ~ 20°12'N, 104°01'E, 1300-1900 m, 17-26.v.2009, C. Holzschuh (RABC, 1). Vientiane, Ban Van Eue, 15.xii.1965, native collector (BPBM, 1). Sri Lanka: Monaragala Dist., Buttala, 50 m, 6.vi.1975, S.L. Wood, ex Anogeissus latifolia (NMNH, 1); as previous except: collected from log (NMNH, 2).

Diagnosis.

2.9-3.2 mm long (mean = 3.02 mm; n = 5); 2.73-3.2 × as long as wide. This species is distinguished by the declivity steep, appearing flat when viewed laterally; the declivital interstriae 1-3 laterally broadened from base to declivital midpoint then narrowing towards apex; declivital posterolateral margin costate to interstriae 7; declivital interstriae 1 and 3 flat, interstriae 2 weakly impressed; declivital striae weakly impressed; declivital interstriae 1 armed by two or three large denticles, interstriae 2 unarmed, declivital interstriae 3 armed by two or three large denticles, denticles on interstriae 3 taller than those on interstriae 1; and declivital strial punctures large, shallow, coarse and confused near large tubercles.

Similar species.

Xyleborus affinis, X. cognatus, X. ferrugineus, X. festivus, X. perforans, X. volvulus .

Distribution.

Recorded in the study region from China (Fujian, Hunan, Jiangxi*, Sichuan, Yunnan), India (Andaman Is, Assam*), Laos*. Also recorded from Japan, South Korea, throughout Europe, and in North Africa and Turkey. Imported to and established in USA and Canada (Vandenberg et al. 2000; Gomez et al. 2018a).

Host plants.

Polyphagous (Wood and Bright 1992; Mizuno and Kajimura 2008).

Remarks.

Mizuno and Kajimura (2008) provide information on the biology, gallery system and development.