The Brazilian Legal Amazon Odonatofauna: a perspective of diversity and knowledge gaps
2022
Manoel Daltro Nunes Garcia Junior | Monique Telcia dos Santos Damasceno | Diogo Silva Vilela | Raimundo Nonato Picanço Souto
The Brazilian legal Amazon occupies approximately 61% of its territory, covering a large part of Brazil's biodiversity. This large territorial dimension generates huge gaps in the animal diversity understanding, for example, the poor knowledge regarding the Odonata order. Worldwide, Odonata has almost 6,500 described species, with approximately 1,800 being recorded for the Neotropical region. Data on the Odonata order in the legal Amazon is still scarce, mainly due to its particularities, and little is known about the diversity of dragonflies in some of Brazilian states. Thus, the objective of this study is to present a list of species occurring in the states that make up the Brazilian legal Amazon. The list was made from the analysis of approximately 165 scientific papers, in addition to occurrence records contained in the SiBBr and GBIF databases. 641 species were found, which is equivalent to approximately 69% of the odonatofauna in Brazil. The states with the greatest diversity were Amazonas (n=364), Pará (n=310) and Mato Grosso (n=285). The study also indicated a low level of knowledge of the Odonata order in the states of Tocantins and Maranhão, in addition to the area of the Guianas shields, especially in the states of Amapá and Roraima. Carrying out new inventories and building catalogs is essential for understanding the biodiversity in this region, especially in areas with greater need.
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