Tribes and genera of New Zealand Carabidae - Key to Pterostichini genera

Source: FNZ 60
Elytra produced into a semi-circular apical lobe.
Pronotum with a single setiferous puncture on each side, posteriorly. [Offshore Islands (TH)]
..... Gourlayia
IMAGE [400 W x 225 H pix]

Elytra not produced into a semi-circular apical lobe.
Pronotum with 2 setiferous punctures on each side. [North and South Islands]
..... Plocamostethus
IMAGE [400 W x 225 H pix]