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

Source: FNZ 60
Abdominal sternum VI with 6–20 setae, including ambulatory setae (Fig. 253). Antennae: segments 4–11 glabrous with apical setiferous ring only. [Pronotum with 5–7 setiferous punctures on each side; South Island] ..... Metaglymma
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Abdominal sternum VI usually with 2–6 setae, including ambulatory setae (Fig. 254), rarely without setae. Antennae: segments 5(6)–11 pubescent throughout (segments 3, 4, sometimes 5, with apical setiferous ring only). [Pronotum with 4–16 setiferous punctures on each side; North, South, Offshore, and Subantarctic Islands] ..... Mecodema
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