FIGURE 18. Austroplebeia wings. Dotted lines indicate pigmented vein traces. Figs a–c in Australian and New Guinean Stingless Bees of the Genus Austroplebeia Moure (Hymenoptera: Apidae) — a revision

FIGURE 18. Austroplebeia wings. Dotted lines indicate pigmented vein traces. Figs a–c. Forewings, showing variation observed in the vestige of the first transverse cubital vein: a, A. magna sp. nov. forewing with a short vein vestige; b, Detail of an A. australis–Eastern Colour Morph forewing with a thickening of vein M at this position; c, Detail of an A. australis–Eastern Colour Morph forewing with a long vein vestige. Fig. d. Hindwing of A. magna sp. nov. Fig. e. Diagram of a forewing showing how the following measurements were made: (1) forewing length without tegula; (2) forewing width; (3) wing diagonal (Sakagami 1978); (4) 1st abscissa of M length; (5) 1st abscissa of Cu length. Figs a–d drawn to same scale: scale bar = 0.25 mm. Abbreviations: M—vein M; 1st R—first recurrent vein; 2nd Cu—second cubital cell; Ham—hamuli.