1. Tarsal claws simple, without subapical tooth or lamella, inner hind claw ♀ convex or straight basally. (Subgenus Apatia Enderlein, 1920).............................................….... 2

– Tarsal claws with a distinct subapical tooth or lamella, generally tooth-shaped (Fig. 7), inner hind claw ♀ concave ……......................................................………..… …….... 3

2. Fourth labial palp segment 4.0 times as long as third one; eye about 1.6 times as long as temple in dorsal view; length of maxillary palp 1.3 times height of head........................ ……………………...............................................……..... H. (A.) truncator (Say, 1829)

– Fourth labial palp segment 2.8 time as long as third one; eye about 2.3 times as long as temple in dorsal view; maxillary palp as long as height of head...................................... …………………….……............................................. H. (A.) ophioninus (Vachal, 1907)

3. Vein 1A+2A of fore wing curved; 3rd–6th flagellar segments of female with longitudinal keel at the inner side; ovipositor sheath short, 0.04–0.07 times fore wing; vein 2-SC+R of hind wing transverse, longer than wide. (Subgenus Chartolobus van Achterberg, 1979) ………………………………………….................. H. (C.) infumator (Lyle, 1914)

– Vein 1A+2A of fore wing straight (Fig. 4); 3rd–6th flagellar segments of female without longitudinal keel at the inner side (Fig. 1); ovipositor sheath long (Fig. 6), 0.12–0.25X fore wing; vein 2-SC+R of hind wing vertical, wider than long (Fig. 5). (Subgenus Phylacter Reinhard, 1863)............................. H. (P.) meridionalis van Achterberg, 1979