Ancipitis punctatissimus (Eichhoff, 1880)

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

Ancipitis punctatissimus (Eichhoff, 1880) Fig. 17C, D, F

Xyleborus punctatissimus Eichhoff, 1880: 189.

Leptoxyleborus punctatissimus (Eichhoff): Wood and Bright 1992: 660.

Ancipitis punctatissimus (Eichhoff): Beaver et al. 2014: 26.

Xyleborus spatulatus Blandford, 1896b: 218. Synonymy: Kalshoven 1959a: 95.

Type material.

Syntypes Xyleborus spatulatus (NHMUK).

Diagnosis.

The largest Ancipitis species, 4.9-5.4 mm long (mean = 5.16 mm; n = 5); 2.08-2.41 × as long as wide. This species is distinguished by its large size; declivity weakly sulcate between interstriae 3 in middle of declivity; sutural interstriae weakly raised and striae 1 impressed in apical third; and declivital interstriae with three rows of mixed short erect and recumbent hair-like setae.

Similar species.

Ancipitis puer , Leptoxyleborus sordicauda .

Distribution.

Indonesia (Java, Sumatra), East & West Malaysia, Thailand.

Host plants.

Recorded from four different families of angiosperm trees, and from Pinus merkusii ( Pinaceae ) ( Browne 1961b; Ohno 1990; Schedl 1969a).

Figures

Figure 17. Dorsal, lateral and declivital view of Ancipitis puer, 3.0 - 3.6 mm (A, B, E), and A. punctatissimus, 4.9 - 5.4 mm (C, D, F).