Anisandrus lineatus (Eggers, 1930)

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

Anisandrus lineatus (Eggers, 1930) Fig. 22A, B, I

Xyleborus lineatus Eggers, 1930: 177.

Cyclorhipidion lineatum (Eggers): Maiti and Saha 2004: 114.

Anisandrus lineatus (Eggers): Beaver and Liu 2018: 538.

Xyleborus melancranis Beeson, 1930: 179. Synonymy: Saha and Maiti 1996: 822.

Type material.

Holotype Xyleborus lineatus (FRI), paratype (NMNH, 1).

New records.

China: Sichuan, Leibo, 19.iv.1964, ex either Acer or Carpinus (NMNH, 1); as previous except: Chudian, E’mei Mountain, 8.v.1964, Fusheng Huang, ex Lauraceae (NMNH, 2). India: Uttarakhand, Darjeeling, Senchal range, 21.iv.1923, J.C.M. Gardner, ex Alnus nepalensis (NMNH, 1). Vietnam: Lao Cai, Hoang Lien N.P., 22.35, 103.77, 1500-2000 m, 20.v.2019, VN194, S.M. Smith, A.I. Cognato, ex dead sampling; 1 cm at base (MSUC, 2).

Diagnosis.

2.6-3.3 mm long (mean = 2.96 mm; n = 5); 2.2-2.6 × as long as wide. This species is distinguished by the mesonotal mycangial tuft the length of the scutellum; elytral disc convex; declivity gradual and convex, with rounded posterolateral margins; pronotum conical frontally when viewed dorsally (type 0); pronotum armed by four coarse serrations on anterior margin (median pair larger than lateral pair); elytra smooth, strongly shiny; and declivital striae deeply impressed.

Similar species.

Xylosandrus formosae .

Distribution.

China* (Sichuan), India (Uttarakhand, West Bengal), Nepal, Vietnam*.

Host plants.

Recorded from Machilus ( Lauraceae ), Symplocos ( Symplocaceae ) ( Beeson 1930) and Alnus ( Betulaceae ).

Figures

Figure 22. Dorsal, lateral and declivital view of Anisandrus lineatus, 2.6 - 3.3 mm (A, B, I), A. longidens, 3.0 mm (C, D, J), A. maiche, 2.2 - 2.5 mm (E, F, K), and A. mussooriensis paratype, 3.0 - 3.25 mm (G, H, L).