Imperfect chemical female mimicry in males of the ant Cardiocondyla obscurior

S. Cremer, P. D’Ettorre, F. Drijfhout, M. Sledge, S. Turillazzi, J. Heinze, Naturwissenschaften 95 (2008) 1101–1105.

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Journal Article | Published | English
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Abstract
Winged and wingless males coexist in the ant Cardiocondyla obscurior. Wingless (“ergatoid”) males never leave their maternal colony and fight remorselessly among each other for the access to emerging females. The peaceful winged males disperse after about 10 days, but beforehand also mate in the nest. In the first 5 days of their life, winged males perform a chemical female mimicry that protects them against attack and even makes them sexually attractive to ergatoid males. When older, the chemical profile of winged males no longer matches that of virgin females; nevertheless, they are still tolerated, which so far has been puzzling. Contrasting this general pattern, we have identified a single aberrant colony in which all winged males were attacked and killed by the ergatoid males. A comparative analysis of the morphology and chemical profile of these untypical attacked winged males and the tolerated males from several normal colonies revealed that normal old males are still performing some chemical mimicry to the virgin queens, though less perfect than in their young ages. The anomalous attacked winged males, on the other hand, had a very different odour to the females. Our study thus exemplifies that the analysis of rare malfunctioning can add valuable insight on functioning under normal conditions and allows the conclusion that older winged males from normal colonies of the ant C. obscurior are guarded through an imperfect chemical female mimicry, still close enough to protect against attacks by the wingless fighters yet dissimilar enough not to elicit their sexual interest.
Publishing Year
Date Published
2008-08-05
Journal Title
Naturwissenschaften
Volume
95
Issue
11
Page
1101 - 1105
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Cremer S, D’Ettorre P, Drijfhout F, Sledge M, Turillazzi S, Heinze J. Imperfect chemical female mimicry in males of the ant Cardiocondyla obscurior. Naturwissenschaften. 2008;95(11):1101-1105. doi:10.1007/s00114-008-0430-8
Cremer, S., D’Ettorre, P., Drijfhout, F., Sledge, M., Turillazzi, S., & Heinze, J. (2008). Imperfect chemical female mimicry in males of the ant Cardiocondyla obscurior. Naturwissenschaften, 95(11), 1101–1105. https://doi.org/10.1007/s00114-008-0430-8
Cremer, Sylvia, Patrizia D’Ettorre, Falko Drijfhout, Matthew Sledge, Stefano Turillazzi, and Jürgen Heinze. “Imperfect Chemical Female Mimicry in Males of the Ant Cardiocondyla Obscurior.” Naturwissenschaften 95, no. 11 (2008): 1101–5. https://doi.org/10.1007/s00114-008-0430-8.
S. Cremer, P. D’Ettorre, F. Drijfhout, M. Sledge, S. Turillazzi, and J. Heinze, “Imperfect chemical female mimicry in males of the ant Cardiocondyla obscurior,” Naturwissenschaften, vol. 95, no. 11, pp. 1101–1105, 2008.
Cremer S, D’Ettorre P, Drijfhout F, Sledge M, Turillazzi S, Heinze J. 2008. Imperfect chemical female mimicry in males of the ant Cardiocondyla obscurior. Naturwissenschaften. 95(11), 1101–1105.
Cremer, Sylvia, et al. “Imperfect Chemical Female Mimicry in Males of the Ant Cardiocondyla Obscurior.” Naturwissenschaften, vol. 95, no. 11, Springer, 2008, pp. 1101–05, doi:10.1007/s00114-008-0430-8.

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