Xylosandrus diversepilosus (Eggers, 1941)

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 diversepilosus (Eggers, 1941) Fig. 94G, H, L

Xyleborus diversepilosus (Eggers), 1941b: 224.

Xylosandrus diversepilosus (Eggers): Browne 1963: 55.

Type material.

Holotype (ZMFK). Not examined.

New records.

China: Guizhou, [no locality], 29.x.2016, Wu, Y-K., ex Magnolia grandiflora (RABC, 1).

Diagnosis.

2.4 mm long; 1.92 × 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 convex; declivital striae glabrous; interstriae granulate, granules multiseriate, confused with a row of erect hair-like setae longer than the width of 1-2 interstriae, granules with an erect hair-like seta; strial granules 2-3 × 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 beesoni , X. borealis , X. discolor .

Distribution.

China (Fujian, Guizhou*), Taiwan.

Host plants.

Recorded only from Magnolia grandiflora ( Magnoliaceae ).

Figures

Figure 94. Dorsal, lateral and declivital view of Xylosandrus dentipennis paratype, 2.15 - 2.4 mm (A, B, I), X. derupteterminatus, 2.0 - 2.3 mm (C, D, J), X. discolor, 2.0 - 2.4 mm (E, F, K), and X. diversepilosus, 2.1 - 2.4 mm (G, H, L).