Cnestus gravidus (Blandford, 1898) Fig. 32G, H, L

Xyleborus gravidus Blandford, 1898: 427.

Xylosandrus gravidus (Blandford): Wood and Bright 1992: 796.

Cnestus gravidus (Blandford): Dole and Cognato 2010: 529.

Type material.

Holotype (NHMUK).

New records.

India: Arunachal Pradesh, Etalin vicinity, 28°36'56"N, 95°53'21"E, 700 m, 12-25.v.2012, L. Dembický (ZFMK, 9). Laos: Vientiane, Phou Kou Khouei, 800 m, 12-13.iv.1965, J.L. Gressitt (BPBM, 1). Vietnam: Cao Bang, Phia Oac hotel, 22°37.702'N, 105°54.5467'E, 847 m, 10-17.iv.2014, VN1, Cognato, Smith, Pham, ex in flight (MSUC, 2). NE region, Hanoi, Ba Vi Nat. Park, 16-18.vi.2016, 21°04.821'N, 105°22.034'E, G.S. Powell (MSUC, 1); as previous except: VQG Ba Vi, 400 m, 2.vi.2001 (MSUC, 1).

Diagnosis.

5.0-5.5 mm long (mean = 5.34 mm; n = 5); 1.83-2.0 × as long as wide. This species is distinguished by the presence of a mesonotal mycangial tuft on the pronotal base; elytral disc short; declivity obliquely truncate; pronotum type 1 when viewed dorsally; antennal club type 2, with two sutures visible on posterior face; antennal funicle 4-segmented; protibiae distinctly triangular; procoxae narrowly separated; declivital posterolateral margin strongly carinate from apex to declivital base along interstriae 7; declivital interstriae granulate with a median row of long erect hair-like setae, clearly distinct from the ground vestiture; pronotal disc glabrous, shiny, sparsely punctate; and typically bicolored pronotum with apical 1/2 black and basal 1/2 orange.

Similar species.

Cnestus ater, C. improcerus, C. mutilatus, C. testudo .

Distribution.

Bangladesh, China (Hainan, Xizang, Yunnan), India (Arunachal Pradesh*, Assam, Sikkim, West Bengal), Laos, Myanmar, Nepal, Sri Lanka, Thailand, Vietnam.

Host plants.

Polyphagous (Beeson 1961).