FIGURE 17 in Australian and New Guinean Stingless Bees of the Genus Austroplebeia Moure (Hymenoptera: Apidae) — a revision

FIGURE 17. Austroplebeia antennae, mandibles and labial palpi. Figs a–c. Antenna (basal part) of A. essingtoni: a, worker; b, male; c, queen. Figs d–h. Left mandible of worker: d, A. cincta QLD; e, A. essingtoni; f, A. australis; g, A. cassiae; h, A. magna sp. nov. Figs i–m. Left mandible of male: i, A. cincta QLD; j, A. essingtoni; k, A. australis; l, A. cassiae; m, A. magna sp. nov. Fig. n. Left mandible of A. australis queen. Figs a–n drawn to same scale. Figs o–q. Labial palpus of worker (mesal margins uppermost, small hairs omitted): o, A. cincta; p, A. cassiae; q, A. magna sp. nov. Figs o–q drawn to same scale. Abbreviations: F1—first flagellomere; F2—second flagellomere; F3—third flagellomere; F2L—second flagellomere length (showing how this measurement was made).