Eur. J. Entomol. 99 (4): 565-569, 2002 | DOI: 10.14411/eje.2002.075

The ant-associations and diet of the ladybird Coccinella magnifica (Coleoptera: Coccinellidae)

John J. SLOGGETT1,2,*, Wolfgang VÖLKL2, Werner SCHULZE3, J. Hinrich G.v.d. SCHULENBURG1,4, Michael E.N. MAJERUS1
1 Department of Genetics, Downing Street, Cambridge, CB2 3EH, UK
2 Lehrstuhl für Tierökologie I, Universität Bayreuth, PO Box 101251, D-95440 Bayreuth, Germany (current address for JJS)
3 Samlandweg 15a, D-33719 Bielefeld, Germany
4 Current address: Abteilung für Evolutionsbiologie, Institut für Evolution und Ökologie der Tiere, Westfälische-Wilhelms-Universität, Hüfferstraße 1, D-48149 Münster, Germany

The ladybird Coccinella magnifica is typically considered to be myrmecophilous, and primarily associated with the Formica rufa group of wood ants. It is regularly associated with ants of the F. rufa group in north-western Europe. The very limited data on the habitat preference of C. magnifica in the southern and eastern parts of its range indicate that its ant-associations change and that it may even be non-myrmecophilous in this region. C. magnifica might consist of geographically restricted species or semispecies, on the basis of its geographical variation in ant-association. Laboratory and field observations on north-western myrmecophilous populations C. magnifica appear to indicate it is a generalist predator of aphids. Coccinella magnifica's potential dietary breadth is similar to that of its congener Coccinella septempunctata, which has been used as a model of C. magnifica's non-myrmecophilous ancestor in evolutionary studies.

Keywords: Coccinella magnifica, myrmecophily, Formica rufa group, habitat preference, aphidophagy, geographic variation, Coccinella septempunctata

Received: August 10, 2001; Revised: November 16, 2001; Accepted: April 8, 2002; Published: December 10, 2002  Show citation

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SLOGGETT, J.J., VÖLKL, W., SCHULZE, W., SCHULENBURG, J.H.G.V.D., & MAJERUS, M.E.N. (2002). The ant-associations and diet of the ladybird Coccinella magnifica (Coleoptera: Coccinellidae). EJE, 99(4), 565-569. doi: 10.14411/eje.2002.075
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    References

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