FIGURES 176–179 in World genera of Mastigitae: review of morphological structures and new ecological data (Coleoptera: Staphylinidae: Scydmaeninae)

FIGURES 176–179. Mastigini, morphological structures, Palaeostigus ruficornis schimitscheki. Head in dorsal (176) and ventral (177) views; left scape and pedicel in mesoventral view (178); porous fields on scape (179). Abbreviations: ai, antennal insertion; fcg, frontoclypeal groove; gp, gular plate; hr, hypostomal ridge; lbr, labrum; lp, labial palp; mg, median groove; mn, mentum; mxp1–4, maxillary palpomere I–IV; pd, pedicel; pf, porous field; ptp, posterior tentorial pit; sc, scape; smn, submentum.