FIGURES 18–21 in World genera of Mastigitae: review of morphological structures and new ecological data (Coleoptera: Staphylinidae: Scydmaeninae)

FIGURES 18–21. Leptomastacini, morphological structures, Ablepton treforti. Prothorax in ventral view (18); prosternum in ventral view (19); pterothorax and abdomen in ventral view (20); pterothorax and first visible abdominal sternite in ventral view (21). Abbreviations: acxc, adcoxal carina; aed, aedeagus; aest3, metanepisternum; ar, anterior ridge; bstr, basisternal part of prosternum; cx2–3, meso- and metacoxa; cxst, coxal part of prosternum; epm2, mesepimeron; lmcf, lateral mesocoxal fovea; lmf, lateral meso-metaventral fovea; lmfa, lateral metafurcal arm; mc, median carina; metaventral intercoxal process; msf, mesofurca; msvp, mesoventral intercoxal process; pchl, postcoxal hypomeral lobe; pff, profurcal fovea; pmcf, postmesocoxal fovea; pre, prepectus; si, setose impression; st3–8, abdominal sternite III–VIII; v3, metaventrite.