Ambrosiophilus latisulcatus (Eggers, 1940)

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

Ambrosiophilus latisulcatus (Eggers, 1940) Fig. 14E, F, K

Xyleborus latisulcatus Eggers, 1940: 142.

Ambrosiodmus latisulcatus (Eggers): Wood and Bright 1992: 675.

Ambrosiophilus latisulcatus (Eggers): Beaver et al. 2014: 25.

Type material.

Holotype Xyleborus latisulcatus (NMNH).

Diagnosis.

3.9-4.2 mm long (mean = 4.05 mm; n = 2); 2.52-2.8 × as long as wide. This species is distinguished by declivital interstriae 1-3 each armed by one major tubercle surrounding declivital sulcus; pronotum from dorsal view conical frontally (type 6); pronotal anterior slope steep, flat; anterior margin with a row of six serrations; pronotum from lateral view tall (type 2); pronotal surface reticulate, discal punctures coarse, dense, spaced less than the diameter of a puncture; declivity moderately sulcate to interstriae 3, margins of sulcus armed with three equally sized tubercles: one at the base of interstriae 1, one on interstriae 2 just ventrad to the first, and one at the midpoint of interstriae 3.

Similar species.

Ambrosiophilus sexdentatus , A. sulcatus .

Distribution.

Indonesia (Java), Thailand.

Host plants.

Unknown.

Figures

Figure 14. Dorsal, lateral and declivital view of Ambrosiophilus indicus holotype, 2.4 mm (A, B, I), A. lannaensis holotype holotype, 1.95 - 2.05 mm (C, D, J), A. latisulcatus, 3.9 - 4.2 mm (E, F, K), and A. osumiensis, 2.3 - 3.2 mm (G, H, L).