Ancipitis Hulcr & Cognato, 2013

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 Hulcr & Cognato, 2013

Ancipitis Hulcr & Cognato, 2013: 41.

Type species.

Xyleborus puer Eggers, 1923; original designation.

Diagnosis.

1.9-5.4 mm long, 2.08-2.73 × as long as wide. Ancipitis is distinguished by the flat submentum that is flush with genae and shaped as a distinct large triangle; elytra extremely long, flattened, very gradually descending, broadened laterally and elongated apically; declivital face appearing somewhat depressed below posterolateral costa and covered with hair-like setae; pronotum extended anteriad, appearing conical, type 0 in dorsal view, without serrations on anterior margin; antennal club flattened, type 3 with three sutures visible on the posterior face; scape long and slender; protibiae slender, all tibia bearing large denticles; procoxae appearing tall, longer than basal width; scutellum flat, flush with elytra; procoxae narrowly separated; mycangial tufts absent; elytra unarmed.

Similar genera.

Diuncus , Leptoxyleborus .

Distribution.

Distributed in temperate and tropical Asia and Melanesia.

Gallery system.

This consists of branched tunnels without brood chambers ( Browne 1961b). There may also be surface galleries between the bark and the sapwood ( Kalshoven 1959b; Browne 1961b).