1	Palpal segment 3 dorsally with prominent retrograde spur (Fig. 5a)	Haemaphysalis (Kaiseriana) longicornis Neumann, 1901
–	Palpal segment 3 without dorsal spur (Fig. 5b)	2
2	Palpal segment 3 ventrally with long, slender, retrograde spur extending at least to middle of segment 2 (Fig. 5d)	Haemaphysalis (Gonixodes) juxtakochi Cooley, 1946
–	Palpal segment 3 ventrally with short spur, not reaching segment 2 (Fig. 5c)	3
3	Basis capituli ventrally with cornua at postero-lateral margins; dental formula 3/3 (Fig. 5e)	Haemaphysalis (Gonixodes) leporispalustris (Packard, 1869)
–	Basis capituli ventrally without cornua; dental formula 5/5 (Fig. 5f)	Haemaphysalis (Aboimisalis) chordeilis (Packard, 1869)