Streptocranus mirabilis Schedl, 1939

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

Streptocranus mirabilis Schedl, 1939 Fig. 75G, H, L

Streptocranus mirabilis Schedl, 1939b: 53.

Coptoborus mirabilis (Schedl): Wood and Bright 1992: 663.

Streptocranus mirabilis Schedl: Hulcr et al. 2007: 583.

Type material.

Lectotype (NHMW).

Diagnosis.

4.1-4.9 mm long (mean = 4.45 mm; n = 3); 3.90-4.08 × as long as wide. The species is the largest Streptocranus and is distinguished by the moderately attenuate elytra; and dorsal margin of elytral process with a strong, inwardly directed denticle at the level of the elytral apex.

Similar species.

Streptocranus bicolor , S. fragilis , S. petilus .

Distribution.

Indonesia (Java), West Malaysia, Thailand.

Host plants.

Recorded from Mesua ( Calophyllaceae ), Quercus ( Fagaceae ), and Schoutenia (= Actinophora ) ( Malvaceae ) ( Kalshoven 1959b). Probably polyphagous.

Figures

Figure 75. Dorsal, lateral and declivital view of Streptocranus bicolor, 2.4 - 3.6 mm (A, B, I), S. bicuspis lectotype, 2.2 - 3.4 mm (C, D, J), S. fragilis holotype, 1.9 - 2.15 mm (E, F, K), and S. mirabilis lectotype, 4.1 - 4.9 mm (G, H, L).