3464 Author Levey, Brian text Zootaxa 2012 2012-09-07 3464 1 107 journal article 1175­5334 3724EFC3-7F13-4F82-A048-DB23F5C1EAEF Key to the thoracica species-group 1 Male and female colour dimorphic; upperside of male golden-green, the lateral margins and apices of the elytra more or less copper or purple ( Fig. 85 ); upperside of female yellow-bronze to brown-bronze, more or less suffused with copper or purple ( Fig. 86 ); serrations of lateral margins of elytra well defined and acute ( Fig. 94 ); aedeagus less strongly widening from the basal piece to the widest point; apex of median lobe produced with the tip pointed ( Fig. 159 ); S.W. Australia ................................................................................................. M . duplexicolor sp. n . - Male and female not colour dimorphic; upperside largely reddish-violet, bluish-green or blackish-green (E. & S. Australia ) ( Fig. 83 ) or yellow-bronze to brown-bronze (S.W. Australia ) ( Fig. 84 ); serrations of lateral margins of elytra often less well defined and obtuse ( Fig. 95 ); aedeagus more strongly widening from the basal piece to the widest point; apex of median lobe produced with the tip rounded ( Fig. 158 ); (female M. thoracica usually have the lateral margins of the pronotum more weakly convergent to the anterior and posterior angles than in M. duplexicolor , however, this character shows some variation); peripheral areas of E., S. and S.W. Australia .................................................... M . thoracica Blackburn