Phylogeny and historical biogeography of the paper wasp genus Polistes (Hymenoptera: Vespidae): implications for the overwintering hypothesis of social evolution

The phylogeny of the paper wasp genus Polistes is investigated using morphological and behavioural characters, as well as molecular data from six genes (COI, 12S, 16S, 28S, H3, and EF1‐α). The results are used to investigate the following evolutionary hypotheses about the genus: (i) that Polistes fi...

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Bibliographic Details
Published in:Cladistics 2015-10, Vol.31 (5), p.535-549
Main Authors: Santos, Bernardo F, Payne, Ansel, Pickett, Kurt M, Carpenter, James M
Format: Article
Language:English
Subjects:
biogeography
genes
monogyny
overwintering
phylogeny
Polistes
temperate zones
topology
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Summary:The phylogeny of the paper wasp genus Polistes is investigated using morphological and behavioural characters, as well as molecular data from six genes (COI, 12S, 16S, 28S, H3, and EF1‐α). The results are used to investigate the following evolutionary hypotheses about the genus: (i) that Polistes first evolved in Southeast Asia, (ii) that dispersal to the New World occurred only once, and (iii) that long‐term monogyny evolved as an adaptation to overwintering in a temperate climate. Optimization of distribution records on the recovered tree does not allow unambiguous reconstruction of the ancestral area of Polistes. While the results indicate that Polistes dispersed into the New World from Asia, South America is recovered as the ancestral area for all New World Polistes: Nearctic species groups evolved multiple times from this South American stock. The final tree topology suggests strongly that the genus first arose in a tropical environment, refuting the idea of monogyny as an overwintering adaptation.
ISSN:0748-3007
1096-0031
DOI:10.1111/cla.12103