Patterns of host use by brood parasitic Maculinea butterflies across Europe

András Tartally, Jeremy A. Thomas, Christian Anton, Emilio Balletto, Francesca Barbero, Simona Bonelli, Markus Bräu, Luca Pietro Casacci, Sándor Csósz, Zsolt Czekes, Matthias Dolek, Izabela Dziekanska, Graham Elmes, Matthias A. Fürst, Uta Glinka, Michael E. Hochberg, Helmut Höttinger, Vladimir Hula, Dirk Maes, Miguel L. MunguiraMartin Musche, Piotr Nowicki, Paula S. Oliveira, László Peregovits, Sylvia Ritter, Birgit C Schlick-Steiner, Josef Settele, Marcin Sielezniew, David J. Simcox, Anna M. Stankiewicz, Florian M Steiner, Giedrius Švitra, Line V. Ugelvig, Hans Van Dyck, Zoltán Varga, Magdalena Witek, Michal Woyciechowski, Irma Wynhoff, David R. Nash*

*Corresponding author for this work
18 Citations (Scopus)

Abstract

The range of hosts exploited by a parasite is determined by several factors, including host availability, infectivity and exploitability. Each of these can be the target of natural selection on both host and parasite, which will determine the local outcome of interactions, and potentially lead to coevolution. However, geographical variation in host use and specificity has rarely been investigated. Maculinea (¼Phengaris) butterflies are brood parasites of Myrmica ants that are patchily distributed across the Palæarctic and have been studied extensively in Europe. Here, we review the published records of ant host use by the European Maculinea species, as well as providing new host ant records for more than 100 sites across Europe. This comprehensive survey demonstrates that while all but one of the Myrmica species found on Maculinea sites have been recorded as hosts, the most common is often disproportionately highly exploited. Host sharing and host switching are both relatively common, but there is evidence of specialization at many sites, which varies among Maculinea species. We show that most Maculinea display the features expected for coevolution to occur in a geographic mosaic, which has probably allowed these rare butterflies to persist in Europe. This article is part of the theme issue ‘The coevolutionary biology of brood parasitism: from mechanism to pattern’.

Original languageEnglish
Article number20180202
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume374
Issue number1769
Pages (from-to)1-17
ISSN0962-8436
DOIs
Publication statusPublished - 2019

Keywords

  • Chemical mimicry
  • Coevolution
  • Geographic mosaic
  • Local adaptation
  • Phengaris

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