1	Abdomen with white guanine spots, patella with dorsal apophysis, the tip of conductor straight	2
–	Abdomen without guanine spots, patella without apophysis, tip of conductor coiled	3
2	Tegulum with a prolateral-anterior thin loop of seminal duct (Fig. 9)	Lathys ankaraensis sp. n.
–	Tegulum with an anterior broad loop of seminal duct (Fig. 12)	Lathys humilis
3	Palpal patella with dorsal conical outgrowth (Fig. 16), tip of conductor coiled with terminal loop wider than conductor	Lathys stigmatisata
–	Palpal patella without dorsal conical outgrowth, the terminal loop of conductor not wider than other loops	Lathys lehtineni