Cardiocondyla obscurior, a new alien ant in Crete (Hymenoptera, Formicidae)

Enrico Schifani, Christos Georgiadis, Mattia Menchetti

Research output: Contribution to journalArticlepeer-review


We report for the first time the occurrence of the alien ant Cardiocondyla obscurior Wheeler, 1929 on the Greek island of Crete. Cardiocondyla obscurior is one of many congeneric taxa with worldwide success as tramp species, having attained a cosmopolitan distribution while having Indomalayan origins. It was first detected in Europe in 1999, and since 2015 it has started to be found outdoors in Southern European countries. Our record is the first in Europe in which the species is observed to be established outdoors in an agricultural area. Introduced Cardiocondyla ants are generally thought to have little ecological impact, although targeted studies have been lacking. Cardiocondyla obscurior is the third species of its genus to be found on the island of Crete, which is characterized by a remarkable ant diversity.

Original languageEnglish
Article numbera033
Issue number1
Publication statusPublished - 2024


  • Cardiocondyla wroughtonii group
  • Greece
  • Mediterranean islands
  • Myrmicinae
  • exotic species

ASJC Scopus subject areas

  • Global and Planetary Change
  • Ecology, Evolution, Behavior and Systematics
  • Ecology


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