Marginal setae slightly enlarged strongly fimbriate
Spiracular setae three short
Spiracular cleft sclerotization absent
Derm with fine clear spots scattered throughout
Dorsal setae apically clavate and rounded
Submarginal tubercle 4-11
Preopercular pores in small numbers inconspicuous or absent
Dorsal tubular ducts absent
Anal plate quadrate
Apical setae four pairs
Subapical setae two pairs
Fringe setae two pairs
Submarginal setae slender with acute apices
Interantennal setae four pairs unequal in size
Prevulvar setae three pairs
Ventral setae short and straight
Antenna six or seven segmented
Claw with small or without a denticle
Tibiotarsal sclerosis present
Spiracle without sclerotic plate
Multilocular pores with seven loculi, on all adbominal segments
Ventral tubular ducts between hind and middle legs