Xylosandrus jaintianus (Schedl, 1967)

Smith, Sarah M., Beaver, Roger A. & Cognato, Anthony I., 2020, A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China, ZooKeys 983, pp. 1-442 : 1

Xylosandrus jaintianus (Schedl, 1967) Fig. 95G, H, L

Xyleborus jaintianus Schedl, 1967: 161.

Xylosandrus jaintianus (Schedl): Wood and Bright 1992: 796.

Type material.

Holotype (NHMW).

Diagnosis.

3.0 mm long (mean = 2.89 mm; n = 1); 2.0 × as long as wide. This species is distinguished by its large size; elytral disc flat, longer than declivity; declivital face steep, abruptly separated from disc; elytra obliquely truncate; posterolateral margins of elytra carinate to interstriae 7; declivital face with four apparent granulate striae (striae 5 short, converging with striae 4 forming a loop); declivital face flattened, depressed below declivital margins; declivital striae and interstriae setose, setae recumbent, hair-like, equal to the width of an interstria; interstriae granulate, granules multiseriate, confused; strial granules at least 2 × larger than those of interstriae; pronotum longer than wide, from dorsal view conical frontally (type 6) and lateral view taller (type 2), summit at basal 1/4, basal 1/4 shagreened, dull, densely punctate; and broad, dense mycangial tuft on the pronotal base.

Similar species.

Xylosandrus brevis , X. subsimiliformis , X. subsimilis .

Distribution.

India (Meghalaya), Myanmar, Nepal.

Host plants.

Unknown.

Figures

Figure 95. Dorsal, lateral and declivital view of Xylosandrus eupatorii, 2.0 - 2.3 mm (A, B, I), X. formosae, 2.5 - 3.0 mm (C, D, J), X. germanus, 2.3 - 2.4 mm (E, F, K), and X. jaintianus holotype, 3.0 mm (G, H, L).