Lip region flattened anteriorly, rounded edges, slightly set off, with three or four annules; six similar lips without longitudinal striations in face view. Stylet knobs rounded, often with flattened anterior surfaces. Rodlike sperms (not seen in all specimens) incompletely filling spermatheca. Lateral field with four incisures. Intestine extends into tail. Tail tapering slightly to rounded, annulated terminus. |
Lip region high, slightly flattened anteriorly, distinctly set off, with four or five annules; similar to type species in face view. Tail tapering to a rounded or almost pointed terminus. Caudal alae enclosing tail. Distal ends of spicules pointed. Gubernaculum with small titillae. |