期刊
INSECT SYSTEMATICS AND DIVERSITY
卷 6, 期 1, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/isd/ixab026
关键词
phylogenomics; ultraconserved elements; Formicidae; Ectatomminae; Heteroponerinae
类别
资金
- Museu de Zoologia da Universidade de Sao Paulo
- Comissao Executiva do Plano da Lavoura Cacaueira
- Instituto Nacional de Pesquisas da Amazonia
- Colecao Entomologica Padre Jesus Santiago Moure
- U.S. National Academies of Sciences, Engineering and Medicine [3-188]
- United States Agency for International Development (USAID)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [140338/2014-4, 141234/2018-0, 301495/2019-0]
- National Science Foundation [DEB-1354996, 1932405]
- U.S. National Science Foundation [DEB 1456964, 1654829, 1927161]
- Peter and Carmen Buck Pre-doctoral fellowship at the National Museum of Natural History, Smithsonian Institution
- Direct For Biological Sciences
- Division Of Environmental Biology [1927161, 1932405, 1654829] Funding Source: National Science Foundation
This study uses ultraconserved elements to uncover the evolutionary history of the subfamilies Ectatomminae and Heteroponerinae. The results provide a new classification framework and shed light on the taxonomy, systematics, and morphological evolution of Ectatomminae. The study is important for understanding a major branch of the ant tree of life.
Uncovering the evolutionary history of the subfamilies Ectatomminae and Heteroponerinae, or ectaheteromorphs, is key to understanding a major branch of the ant tree of life. Despite their diversity and ecological importance, phylogenetic relationships in the group have not been well explored. One particularly suitable tool for resolving phylogeny is the use of ultraconserved elements (UCEs), which have been shown to be ideal markers at a variety of evolutionary time scales. In the present study, we enriched and sequenced 2,127 UCEs from 135 specimens of ectaheteromorph ants and investigated phylogeny using a variety of model-based phylogenomic methods. Trees recovered from partitioned maximum-likelihood and species-tree analyses were well resolved and largely congruent. The results are consistent with an expanded concept of Ectatomminae that now includes the subfamily Heteroponerinae new synonym and its single tribe Heteroponerini new combination. Eleven monophyletic groups are recognized as genera: Acanthoponera, Alfariastatus revived, Boltonia Camacho and Feitosa new genus, Ectatomma, Gnamptogenys, Heteroponera, Holcoponerastatus revived, Poneracanthastatus revived, Rhytidoponera, Stictoponerastatus revived, and Typhlomyrmex. The new phylogenetic framework and classification proposed here will shed light on the study of Ectatomminae taxonomy and systematics, as well as on the morphological evolution of the groups that it comprises.
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