Left maxilla (ventral aspect), SEM micrographs: A Platyprosopus sp., B Erichsonius patella, C Philonthus politus, D Quedius capucinus, E Platydracus femoratus, F Thyreocephalus albertisi. — Abbreviations: bs = basistipes, ca = cardo, ga = galea, lac = lacinia, mp = maxillary palp, ms = mediostipes, pf = palpifer.

 
 
  Part of: Spiessberger EL, Newton AF, Thayer MK, Betz O (2024) Comparative morphology of the feeding apparatus of Staphylinine beetles (Coleoptera: Staphylinidae). Arthropod Systematics & Phylogeny 82: 267-303. https://doi.org/10.3897/asp.82.e114508