Fig. 4 in Arumatia, a new genus of Diapheromerinae stick insects (Insecta, Phasmatodea) from Brazil, with the description of five new species and a reassessment of species misplaced in Australian genera

Fig. 4. Mouthparts of Arumatia dubia (Caudell, 1904) gen. et comb. nov., adult ♀♀ from stock from Ibaté, São Paulo, Brazil. A. Both mandibles spread showing internal view. B. Right mandible in anterior view. C. Left mandible, internal view, showing mesal protuberance (arrow). D. Right maxilla, ventral (external) view. E. Detail of left maxilla, dorsal (internal) view. F. Left maxilla, dorsal (internal) view. Abbreviations: Dce = dorsal cutting edge; Ga = galea; Galo = galealobulus; Gra = granules; Lac = lacinia; Lase = lacinial setae; Lat = lacinial teeth; Lb = labrum; Mtr = microtrichia; Se = setae; Sti = stipes;