Abstract
Roraima is a Brazilian state located in the northern portion of the Amazon basin, with few studies regarding its biodiversity. The Ecological Station of Maracá (Brazil, state of Roraima) harbors the third largest Brazilian pluvial island and is composed of a transitional landscape of savanna and Amazon rainforest components. Despite its ecological importance and strategic localization, few studies covered the dipterofauna of this locality. An updated checklist addressing 41 families of true flies (Diptera) occurring in Roraima is presented based on the literature and the specimens collected during a field expedition that occurred in 2015. This checklist brings several improvements such as new records of 165 taxa to the state of Roraima, 29 taxa to Brazil, and 259 morphotypes, mostly likely representing undescribed species.
Highlights
Roraima is one of the seven states of Brazil composing its Northern region
An updated checklist addressing 41 families of true flies (Diptera) occurring in Roraima is presented based on the literature and the specimens collected during a field expedition that occurred in 2015
The Conservation Unit is located in the northwestern portion of Roraima, and it comprises the third major pluvial island of Brazil, integrating an archipelago located in a transitional area between forest and savanna landscapes
Summary
Roraima is one of the seven states of Brazil composing its Northern region. It is located in the north of the Brazilian Amazon. The Conservation Unit is located in the northwestern portion of Roraima, and it comprises the third major pluvial island of Brazil, integrating an archipelago located in a transitional area between forest and savanna (referred to as ‘lavrado’) landscapes. This forms a particular environment with endemic elements (ICMBio, 2021; Barbosa et al, 2007). A set of publications regarding this locality was based on material collected in several field expeditions of the Maracá Rainforest Project by different researchers and technicians (Hemming, 1989) These publications substantially improved the knowledge of the Amazonian dipterofauna. The updated checklist provides means for further studies on taxonomy, biogeography, evolution, and other aspects of flies from the Amazon basin
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