1	Mandibles with eight teeth; six teeth on masticatory margin, one tooth on basal angle, another tooth on inner mandibular margin; head cuticle densely rugorecticulate	Paratrechina kohli
–	Mandibles with five teeth; head cuticle smooth and shiny	2
2	Scapes without macrosetae; dorsum of propodeum almost flat to very shallowly domed	Paratrechina longicornis
–	Scapes with macrosetae; dorsum of propodeum rounded, dome-like	3
3	Macrosetae dark brown, occasionally with lighter tips; SI greater than 195; Afrotropical region	Paratrechina zanjensis
–	Macrosetae yellow to whitish; SI less than 195; Malagasy region	4
4	Dark brown, with cuticle giving a faint greenish-blue reflection; propodeum with fine striations across surface	Paratrechina ankarana
–	Brown with patches of lighter cuticle across body, giving species a mottled appearance; propodeum smooth and very shiny	Paratrechina antsingy