Pair of small eyes. p. 854 Stylet tubular, C-shaped, with three lamellae. Stylet opening oval, subterminal. p. 855.
The distal opening (of the stylet) is subterminal. p. 516
The distal opening is subterminal on the convex side of the distal bent part. p. 15
Proximally, in a slight constriction, a 40-micrometer-long pointed, tubular, accessory stylet is affixed to the main one. p. 999