Taxonomic history

Xyleborus festivus Eichhoff, 1876a: 202.

Synonyms

Xyleborus pinicola Eggers, 1930: 206. Smith et al., 2018b: 397.

Xyleborus detectus Schedl, 1975a: 458Smith et al., 2018b: 397.

Xyleborus pinivorus Browne, 1980a: 374. Smith et al., 2018b: 397.

Diagnosis

3.6−3.9 mm long (mean = 3.75 mm; n = 5); 2.85−3.17 times as long as wide. This species is distinguished by the declivity steep, appearing convex from lateral view; declivital interstriae 1−3 laterally broadened from base to declivital midpoint then narrowing towards apex; large body size; posterolateral margin of declivity costate extending to interstriae 7; declivital interstriae 1, 3 convex, interstriae 2 impressed; declivital striae feebly impressed; declivital interstriae 1 armed by 3−7 large denticles, interstriae 2 armed with denticles or unarmed (highly variable), declivital interstriae 3 armed by 4−9 large denticles, denticles on interstriae 1, 3 uniform in height; declivital strial punctures moderately sized, fine, uniseriate, never confused.

May be confused with

Xyleborus affinis, X. cognatus, X. ferrugineus, X. perforans, X. pfeilii, and X. volvulus

Distribution

China (China (Fujian, Guangdong, Guangxi, Guizhou, Yunnan), Japan, Myanmar, Taiwan, Thailand, Vietnam

Host plants

This species is unusual amongst Xyleborus in attacking only species of Pinus (Pinaceae) (Wood and Bright 1992).

DNA data

Sequences available for COI and CAD.

COI: MN620042

CAD: MN620312MN620313