Truncaudum circumcinctus (Schedl) comb. n.

Premnobius circumcinctus Schedl, 1941

Premnobius circumcinctus (Schedl): Wood and Bright 1992

Xyleborus circumcinctus (Schedl): Schedl 1962b

Specimens examined.

Uganda ( Premnobius circumcinctus, holotype, NHMW).

Comments.

The only known African Truncaudum . Truncaudum synapomorphies: impressed submentum, antennal club type 1, curved outer edge of protibiae, complete denticulated circumdeclivital costa. Very similar to Truncaudum impexus [(Schedl): Hulcr and Cognato (in press)], except declivity slightly convex (mostly flat in Truncaudum spp.), antenna type 1, several adjacent denticles on each stria on the upper edge of circumdeclivital costa (mostly a single flat tubercle in Truncaudum spp.). Otherwise remarkably similar to Asian relatives. Length: 2.8 mm.

Described as Premnobius by Schedl (1941), later treated as Xyleborus (Schedl, 1962b), but combination never offically published.