Seifert (20031) has revised the genus. According to this publication, four species are present in the Iberian peninsula:  read more »

1. 1. Seifert B .  2003.  The ant genus Cardiocondyla (Insecta: Hymenoptera: Formicidae) - a taxonomic revision of the C. elegans, C. bulgarica. C. batesii, C. nuda, C. shuckardi, C. stambuloffii, C. wroughtonii, C. emeryi, and C. minutior species groups. Ann. Naturhist. Mus. Wien. 104B:203-338.

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