Taxonomic history

Xyleborus speciosus Schedl, 1975b: 457.

Xyleborinus speciosus (Schedl): Wood and Bright, 1992: 816.

Diagnosis

2.6−2.7 mm long (mean = 2.65 mm; n = 3); 2.89−3.0 times as long as wide. This species is distinguished by the posterior margin of elytra broadly rounded; declivital face with interstriae 1 and 2 unarmed by tubercles; elytral declivital face weakly sulcate; large body size; lateral declivital margins elevated along interstriae 3, bearing 3 pairs of short, narrow, sharply pointed spines, spines equal in size; sulcate area of declivity smooth, shining; interstriae impunctate; and elongate body form.

May be confused with

Xyleborinus artestriatus, X. ephialtodes, X. echinopterus, X. octiesdentatus, X. schaufussi, and X. spinipennis

Distribution

China (Yunnan), India (West Bengal), Thailand

Host plants

recorded from Juglans (Juglandaceae), Litsea (Lauraceae), Prunus (Rosaceae), and Symplocos (Symplocaceae) (Saha and Maiti 1996, as Xyleborinus subspinosus (Eggers))

Remarks

This species appears to be have been misidentified by Saha and Maiti (1996) and Maiti and Saha (2004) as Xyleborinus subspinosus, a synonym of X. saxesenii (see above).

DNA data

specimens not available for sequencing