Genus Auletobius (or Metopum)

We need clarification about this genera.

Pending ID – Auletobius (or Metopum)

#1. Early June 2013
Hobart
Identification thanks to Boris Büche.
   

#2. Auletobius sp.?,   3mm
Late August 2013
Knocklofty Reserve, Hobart
On Acacia dealbata