1	Cell R1 in forewing closed; labial palp with four palpomeres, the second palpomere longer than the third. China (Guizhou)	Yangixiphia Wei, 2002
–	Cell R1 in forewing open; labial palp with three palpomeres, the third palpomere longer than the second	2
2	Cell R1 in hind wing open; each claw with a long inner tooth close to and hardly shorter than outer tooth; face and hind orbits coarsely punctate, without regular carinae; maxillary palp with second palpomere about as long as third palpomere; labial palp with second palpomere more than 3 times as long as broad, third palpomere slender, hardly enlarged (Figs 1–2 in Wei and Xiao 1999). China (Henan)	Trixiphidia Wei, 1999
–	Cell R1 in hind wing closed; fore and middle claws each with a small inner tooth remote from and about 1/2–1/3 length of outer tooth, hind claw with a minute inner tooth; face and hind orbits with regular carinae, not punctate; maxillary palp (Figs 5, 13) with second palpomere much longer than third palpomere; labial palp (Figs 4, 12) with second palpomere about 1.5–2 times as long as broad, third palpomere short and distinctly enlarged. China (Henan, Gansu); India (Himachal Pradesh)	Heteroxiphia Saini & Singh, 1987