Szeptyckitheca cyanea sp. nov. head A dorsal Ant. IV (white arrows point to chaetae present or absent) B dorsal Ant. I–III, detail shows the ventral apical organ and the small sensilla in cavities on Ant. III C anterior head chaetotaxy and eyes D labial and postlabial (ventral) chaetotaxy (left side), white arrow points to chaeta present or absent E maxillary outer lobe and sublobal plate (left side) F labial papillae and proximal chaetae alveoli (left side) G labrum H mandibles apexes I maxilla capitulum (left side).