Marginal setae conical, pointed apically
Spiracular setae similar to marginal but slightly stouter
Spiracular cleft without sclerotization
Derm without areolation
Dorsal setae absent
Submarginal tubercle absent
Dorsal pores of two types, small in median area of abdomen and larger with sclerotic border near marginal setae
Preopercular pores abundant and conspicuous
Tubular ducts: Absent
Anal plate together oval surrounded by sclerotized area
Apical setae strong spinose on inner surface
Subapical setae one pairs
Fringe setae two pairs
Submarginal setae spinose
Interantennal setae four pairs
Prevulvar setae in the form of band of spinose setae
Ventral setae straight and stiff
Antenna six segmented
Claw without a denticle
Tibiotarsal sclerotization absent
Spiracle without sclerotic plate
Pregenital disc pores with five locules
Tubular ducts forming submarginal band