Xyleborus justus Schedl, 1931: 339.
Diuncus justus (Schedl): Hulcr and Cognato, 2009: 32.
Xyleborus marginicollis Schedl, 1936c: 64. Hulcr, 2010: 107.
Xyleborus ciliatus Eggers, 1940: 141. Hulcr and Cognato, 2013: 81.
Xyleborus apiculatus Schedl, 1942a: 190. Hulcr and Cognato, 2013: 81.
1.5−1.7 mm long (mean = 1.65 mm; n = 5); 2.36−2.5 times as long as wide. This species can be distinguished by the minute size; unarmed declivity; declivital striae 1 shallowly impressed; nearly glabrous appearance; and lateral margin of the protibia armed with four denticles.
Australia, China (Fujian), Indonesia (Java), East & West Malaysia, New Guinea, Vietnam
This species has only been recorded from Cunninghamia (Cupressaceae), but it likely occurs on angiosperms as well (Smith et al., 2020b).
Sequences available for COI and CAD.
COI: MN619909; MN619910