Taxonomic history

Xyleborus morigerus Blandford, 1894a: 264.

Xylosandrus morigerus (Blandford): Reitter, 1913: 84.

Synonyms

Xyleborus coffeae Wurth, 1908: 64. Strohmeyer, 1910: 86; Schedl, 1951b: 136.

Xyleborus difficilis Eggers, 1923: 174. Bright and Skidmore, 1997: 4, 169.

Xyleborus luzonicus Eggers, 1923: 174. Wood, 1974: 287.

Xyleborus abruptoides Schedl, 1955a: 298. Beaver, 1995b: 17.

Diagnosis

1.4−2.0 mm long (mean = 1.82 mm; n = 5); 2.0−2.33 times as long as wide. This species can be distinguished by its small size; elytral disc strongly convex, much shorter than declivity; posterolateral margins of elytra carinate to interstriae 7; declivital face with six punctate striae; declivital striae setose, setae minute semi-recumbent hairs; interstriae granulate, uniseriate with erect hair-like setae longer than the width of one interstria; pronotum wider than long, from dorsal view rounded (type 1) and lateral view rounded (type 1), summit at midpoint, basal half smooth, shining, sparsely minutely punctate; and sparse mycangial tuft on the pronotal base.

May be confused with

Xylosandrus adherescens, X. compactus, X. derupteterminatus, and X. mesuae

Distribution

Circumtropical. Within the study region recorded from China (Yunnan), India (Tamil Nadu, West Bengal), Laos, Myanmar, Taiwan, Thailand, Vietnam. Introduced to Europe (Kirkendall and Faccoli 2010) and South and Central America (Wood 1982, 2007).

Host plants

strongly polyphagous (Dole and Cognato 2010)

Remarks

The biology has been studied by Browne (1961a) and Kalshoven (1961). These and other studies are reviewed by Schedl (1963a) and Le Pelley (1968). The species has some economic importance as a pest of coffee (Kalshoven 1961, Le Pelley 1968) and of other crop trees.

DNA data

Sequences available for COI and CAD.

COI: HM064151; GU808717GU808718MN620102

CAD: GU808638GU808639MN620358