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Frequent colony orphaning triggers the production of replacement queens via worker thelytoky in a desert-dwelling ant

AuthorsAmor F; Ortega P; Boulay R; Cerdá X
Issue Date2016
AbstractAlthough related, Cataglyphis floricola and C. tartessica show very different responses to colony orphaning. In the laboratory, under queenless conditions, C. tartessica workers produced male offspring via arrhenotoky, while C. floricola workers produced female offspring, including new queens, via thelytoky. In the field, C. floricola colonies were more likely than C. tartessica colonies to be orphaned in the late spring. Worker thelytoky could have evolved in C. floricola as an adaptive response to the species’ significantly higher probability of queen loss.
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Amor_etal2016_ParthenogenesisDatabase.xlsxDatabase about composition of experimental and natural colonies of Cataglyphis tartessica and Cataglyphis floricola and thelytokous offspring production30,21 kBMicrosoft Excel XMLView/Open
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