Genus Trichalus

Lycids in this genus have the pronotum with only a single median lanceolate areolet, the rostrum is very short, and the elytra have the first longitudinal costae next to the scutellum shortened. Three species are listed for Tasmania.

Trichalus bifurcatus
Lycidae Trichalus bifurcatus 

Trichalus discoideus
 

Trichalus kershawi

References:

Grove S.J., Forster  L. G. ,Porch, N. (2021) An illustrated checklist of the insects of Tasmania. Part 1 – Coleoptera (beetles). The Royal Society of Tasmania. Hobart