Advanced search
Start date

Taxonomic revision and cladistic analysis of Ormiophasia Townsend, 1919 (Diptera, Tachinidae, Ormiini).

Grant number: 12/17847-3
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): November 01, 2012
Effective date (End): September 30, 2014
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Principal Investigator:Silvio Shigueo Nihei
Grantee:Filipe Macedo Gudin
Host Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):14/01952-8 - Taxonomic revision of Ormiophasia Townsend, 1919 (Diptera, Tachinidae, Ormiini), with focus on Séguy's holotypes, BE.EP.MS


Tachinidae is one of the largest families of Diptera in number of species, habits and forms. Besides, all species are parasitoids of other arthropods. Because of this high diversity and the lack of adequate taxonomic studies, Tachinidae classification is still uncertain and doubtful, especially in the Neotropical Region. Currently, Tachinidae is classified into four subfamilies: Phasiinae, Dexiinae, Exoristinae and Tachininae, the latter including the tribe Ormiini. Ormiini flies occur throughout the world 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. Therefore, this project aims to contribute to the knowledge and classification of Tachinidae, with the taxonomic revision and morphological cladistic analysis of Ormiophasia. In the revision, the valid species will be redescribed, and the new species described, as well as an identification key to species will be provided. Material from national and international museum collections will be requested and studied. For the cladistic analysis, the characters will initially be treated with equal weights, non polarized, and, in case of multistate characters, unordered. The data matrix will be prepared using the Winclada software and the analysis will be carried out with the TNT software. Branch support will be verified by Bremer index and by bootstrap frequencies. Implied weighting will be applied after the former analysis to better understand how the characters fit the trees.

News published in Agência FAPESP Newsletter about the scholarship:
Articles published in other media outlets (0 total):
More itemsLess items

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
GUDIN, Filipe Macedo. Taxonomic revision and cladistic analysis of the genus Ormiophasia Townsend, 1919 (Diptera, Tachinidae, Ormiini). 2014. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Biociências (IBIOC/SB) São Paulo.

Please report errors in scientific publications list using this form.