Evolution, systematics, and natural history of a new genus of cryptobiotic fungus‐growing ants.
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| Title: | Evolution, systematics, and natural history of a new genus of cryptobiotic fungus‐growing ants. |
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| Authors: | SOSA‐CALVO, J. E. F. F. R. E. Y.1 jsosacalvo@gmail.com, SCHULTZ, T. E. D. R.2, JEŠOVNIK, A. N. A.2,3, DAHAN, R. O. M. A. I. N. A.1, RABELING, C. H. R. I. S. T. I. A. N.1 crabeling@gmail.com |
| Source: | Systematic Entomology. Jul2018, Vol. 43 Issue 3, p549-567. 19p. |
| Subjects: | Fungus ants, Insect phylogeny, Insect evolution, Foraging behavior, Insect-fungus relationships, Trachymyrmex, Cryptozoa, Animal behavior |
| Abstract: | Abstract: Xerolitor, a new, monotypic genus of fungus‐growing ants, is described to accommodate the phylogenetically isolated, relict species Mycetosoritis explicatus Kempf. We also diagnose the male and the larva of Xerolitor explicatus (Kempf) comb.n. and report ecological observations for the species, including nest architecture and foraging behaviour. Xerolitor explicatus comb.n. inhabits the dry habitats of the Brazilian Cerrado and the Bolivian and Paraguayan Gran Chaco. Bayesian multilocus phylogenetic analyses indicate that X. explicatus comb.n. is, contrary to some prior hypotheses, a member of the ‘higher’ fungus‐growing ants and the sister taxon of the genus Sericomyrmex Mayr. Results from phylogenetic analyses of the fungal cultivar grown by X. explicatus comb.n. in Paraguay, as well as the presence of gongylidia, indicate that the fungal mutualist is a member of the clade of higher fungal cultivar species and that it is probably the same species cultivated by some Trachymyrmex Forel and Sericomyrmex species. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Abstract: Xerolitor, a new, monotypic genus of fungus‐growing ants, is described to accommodate the phylogenetically isolated, relict species Mycetosoritis explicatus Kempf. We also diagnose the male and the larva of Xerolitor explicatus (Kempf) comb.n. and report ecological observations for the species, including nest architecture and foraging behaviour. Xerolitor explicatus comb.n. inhabits the dry habitats of the Brazilian Cerrado and the Bolivian and Paraguayan Gran Chaco. Bayesian multilocus phylogenetic analyses indicate that X. explicatus comb.n. is, contrary to some prior hypotheses, a member of the ‘higher’ fungus‐growing ants and the sister taxon of the genus Sericomyrmex Mayr. Results from phylogenetic analyses of the fungal cultivar grown by X. explicatus comb.n. in Paraguay, as well as the presence of gongylidia, indicate that the fungal mutualist is a member of the clade of higher fungal cultivar species and that it is probably the same species cultivated by some Trachymyrmex Forel and Sericomyrmex species. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 03076970 |
| DOI: | 10.1111/syen.12289 |
