| Grant number: | 14/01952-8 |
| Support Opportunities: | Scholarships abroad - Research Internship - Master's degree |
| Start date: | April 27, 2014 |
| End date: | May 26, 2014 |
| Field of knowledge: | Biological Sciences - Zoology - Taxonomy of Recent Groups |
| Principal Investigator: | Silvio Shigueo Nihei |
| Grantee: | Filipe Macedo Gudin |
| Supervisor: | Christophe Daugeron |
| Host Institution: | Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
| Institution abroad: | Muséum National d'Histoire Naturelle, France |
| Associated to the scholarship: | 12/17847-3 - Taxonomic revision and cladistic analysis of Ormiophasia Townsend, 1919 (Diptera, Tachinidae, Ormiini)., BP.MS |
Abstract Tachinidae is one of the largest families of Diptera in number of species, habits and forms. Besides, all species are parasitoids of other arthropods. Due to this high diversity and the lack of adequate systematic studies, Tachinidae classification is still uncertain and doubtful, particularly in Neotropical Region. Currently, Tachinidae is classified into four subfamilies: Dexiinae, Phasiinae, Exoristinae and Tachininae, the latter including the tribe Ormiini. Ormiini flies occur worldwide and are mainly characterized by locating their hosts (Orthoptera, Ensifera) phonotactically. This is possible because they have a prosternum modified into an acoustic membrane. The genus Ormiophasia Townsend, 1919 includes nine species and is the only ormiini genus endemic of the Neotropical Region. The synonymies made in Ormiophasia have been motive of doubt and discution by many authors, especially because of three monotypic species described by Eugène Séguy: Plagiatormia obscura, Pseudormia inflata and Pseudoneoptera morardi. This is clearly reflected on the number of species in Ormiophasia, which had ranged from two, with the synonyms of Townsend in 1931, to nine, in the Neotropical Catalogue of Guimarães in 1971. To clarify this issue, the object of this project is to examine and redescribe the three holotypes of Séguy, housed in the Muséum National D'Histoire Naturelle, in Paris, and the possibly unidentified material of Ormiophasia present in the collection. Preliminary results with the observation of the original descriptions and specimens studied by the author indicate that O. morardi is probably a valid species, distributed in the Amazon rainforest, and O. obscura (distributed in Argentina) isn't synonymous of O. busckii (typical of Panama). The status of O. inflata is still uncertain. (AU) | |
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