Petiolar node in dorsal view with subparallel sides, slightly widening backwards. Length < 3 mm

Petiolar node in dorsal view clearly narrowing backwards. Length 3,2 - 5 mm

Crematogaster sordidula

Crematogaster auberti, Crematogaster inermis, Crematogaster fuentei, Crematogaster laestrygon, Crematogaster scutellaris, Crematogaster schmidti