Key to New Zealand Broscini subtribes and genera

(adapted from Liebherr et al. 2011).

1. Mentum median process bifid (Fig. 8), glossal sclerite with two setae; basal orifice of median lobe completely closed dorsally; internal sac of aedeagus with sclerites X and Y; female reproductive tract with helminthoid sclerite (Fig. 5) (subtribe Nothobroscina, Roig-Juñent 2000)............................................................................. 2

- Mentum median process simple, glossal sclerite with four apical setae; basal orifice of median lobe completely or partially open dorsally; internal sac of aedeagus without sclerites X and Y; female reproductive tract without helminthoid sclerite.......................................................... (subtribe Creobiina, Jeannel 1941) Bountya Townsend 1971

2. Each side of head with one or more supraorbital punctures (Fig. 9), each bearing a single seta; external apex of protibia not distally expanded; elytra without a row of setiferous punctures along 7 th stria/interval................................. 3

- Each side of head with a single, plurisetose supraorbital puncture (Fig. 9); external apex of protibia greatly distally expanded (Fig. 10A) or distally expanded (Fig. 10B); elytra with a row of setiferous punctures along 7 th stria/interval (Fig. 1)........................................................................................ Mecodema Blanchard 1853

3. Head with one supraorbital seta; mentum with two deep paramedial foveae; base of maxillary stipe bisetose.............. 4

- Head with two supraorbital setae; mentum broadly and shallowly depressed paramedially, lacking deep paramedial foveae; base of maxillary stipes trisetose; protibia slender............................................ Oregus Putzeys 1868

4. Pronotal base smooth (except Stewart Island species); only two basal male protarsomeres with adhesive articulosetae on ventral surface.......................................................................... Diglymma Sharp 1886

- Pronotal base distinctly punctate, as well as in pronotal foveae; all male protarsomeres glabrous medioventrally..................................................................................... Orthoglymma Liebherr et al. 2011