Amasa aspersa (Sampson, 1921)

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

Amasa aspersa (Sampson, 1921) Fig. 7A, B, I

Xyleborus aspersus Sampson, 1921: 31.

Amasa aspersus [sic] (Sampson): Wood and Bright 1992: 682.

Type material.

Holotype (NHMUK).

Diagnosis.

3.7-3.9 mm long (mean = 3.82 mm; n = 2); 2.11-2.17 × as long as wide. This species is distinguished by the dense and strongly confused declivital strial and interstrial punctures with striae and interstriae indistinguishable.

Similar species.

None.

Distribution.

Brunei, East & West Malaysia, Thailand.

Host plants.

All host records are from the genus Eugenia ( Myrtaceae ), and the species appears to have a fixed host association with this family ( Browne 1961b).

Figures

Figure 7. Dorsal, lateral and declivital view of Amasa aspersa, 3.7 - 3.9 mm (A, B, I), A. beesoni paratype, 5.0 mm (C, D, J), A. concitata, 4.3 - 4.5 mm (E, F, K), and A. cycloxyster holotype, 3.4 mm (G, H, L).