Amasa concitata (Schedl, 1969)

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 concitata (Schedl, 1969) Fig. 7E, F, K

Xyleborus concitatus Schedl, 1969a: 214.

Amasa concitatus [sic] (Schedl): Wood and Bright 1992: 682.

Type material.

Holotype (PPST). Not examined.

New records.

China: Jiangxi, Longnan County, Jiulianshan, 24.58; 114.44, 382 m, 1.vii.2018, Lv-Jia, S.C. Lai, ex unknown [host tree] (LYLC, 1).

Diagnosis.

4.3-4.5 mm long (n = 2); 2.32-2.5 × as long as wide. This species is distinguished by the pronotum appearing basic (type 2) when viewed dorsally, anterior margin serrate; declivital surface smooth, strongly shiny; large size; declivital interstriae very finely setose, setae semi-erect; declivital face convex towards suture; declivital interstriae 1 inflated from apex to near midpoint of declivity; declivital striae 1-3 approximately equidistant.

Similar species.

Amasa gibbosa , A. lini , A. tropidacron , A. youlii .

Distribution.

China* (Jiangxi), Taiwan.

Host plants.

Recorded only from 'Formosan hardwood’ and 'angiosperm wood’ ( Beaver and Liu 2010).

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).