Scholarship 24/02601-6 - América Central, América do Norte - BV FAPESP
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Systematics of Mastigoproctinae Speijer, 1933 (Arachnida: Uropygi: Thelyphonidae), focusing on North- and Central-American taxa

Grant number: 24/02601-6
Support Opportunities:Scholarships abroad - Research Internship - Doctorate
Start date until: September 16, 2024
End date until: January 20, 2025
Field of knowledge:Biological Sciences - Zoology - Taxonomy of Recent Groups
Principal Investigator:Ricardo Pinto da Rocha
Grantee:Daniel Castro Pereira
Supervisor: Lorenzo Prendini
Host Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Institution abroad: American Museum of Natural History, United States  
Associated to the scholarship:22/10221-3 - Systematics and phylogeny of Mastigoproctinae Speijer, 1933 (Arachnida: Uropygi: Thelyphonidae), BP.DR

Abstract

The order Uropygi, comprised by arachnids commonly known as whip-scorpions or vinegaroons, is a group composed by approximately 123 living species and 19 genera allocated in four subfamilies which belong to the unique family Thelyphonidae: Hypoctoninae, Thelyphoninae, Typopeltinae and Mastigoproctinae. The latter subfamily is comprised by 32 species and seven genera: Mastigoproctus, Mayacentrum, Mimoscorpius, Ravilops, Sheylayongium, Uroproctus and Valeriophonus; from the total amount of 32 species, 25 are distributed along North- and Central America. This project aims to study morphological characters and molecular sequences of North- and Central-American Mastigoproctinae taxa in order to obtain a robust amount of data to understand the evolution of the subfamily and its inner taxa. For this, specimens from the Arachnida Collection of the American Museum of Natural History, where it is hold the largest collection of minor arachnid orders in North America, will be analyzed. DNA sequencing focusing on the molecular markers COI, 12S rRNA, 16S rRNA, ITS2, 18S rRNA and 28S rRNA will be performed, as well as morphological characters related to carapace, opisthosoma, pygidium, flagellum, chelicera, pedipalp, legs, male genitalia and female genitalia will be investigated in order to elaborate a morphological character matrix. All data will be added to the main research project, where they will be submitted to phylogenetic analyses under maximum parsimony, maximum likelihood and bayesian inference optimality criteria.

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