Checklist of dragonflies and damselflies (Insecta: Odonata) of the Amazonas state, Brazil

Abstract

Here we provide a checklist of the odonates from Amazonas state, Brazil. We registered 324 species and 101 genera, making Amazonas the Brazilian state with the most Odonata species recorded. The families with the highest number of species were Coenagrionidae with 32 genera and 101 species, followed by Libellulidae with 28 genera and 100 species and Gomphidae with 12 genera and 45 species. Some regions of Amazonas state remain poorly explored, such as the southern area, and large municipalities, such as São Gabriel da Cachoeira. This work underlines the importance of the biological diversity from Amazonas state and the Amazonian Biome for Odonata species richness in Brazil and shows that many areas in the world’s largest tropical forest have not yet been sampled.

New records of dragonflies and damselflies (Insecta: Odonata) from Amapá state, Brazil

“…Even so, only 29% of the Brazilian territory presents data on the Odonata order (De Marco & Vianna 2005). In recent years, several studies have been published, increasing even more the knowledge of odonatafauna in Brazil, especially in regions with lesser knowledge: Takiya et al (2016) in the state of Ceará, Rodrigues & Roque (2017) in Mato Grosso do Sul, Dalzochio et al (2018) in Rio Grande do Sul, Koroiva et al (2020) in Amazonas, Santos et al (2020) in the state of Sergipe.…”

Dragonflies and Damselflies in a region of the Triângulo Mineiro, Minas Gerais: checklist and taxonomic additions

“…Our study also added eight new records for the state, which now has 312 recorded species (Vilela 2020). This number represents the second highest Odonata richness reported to a Brazilian state, being only surpassed by Amazonas, with 335 species (Koroiva et al 2020).…”

“…Brazilian states are represented by respective acronyms: Acre (AC), Amapá (AP), Amazonas (AM), Bahia (BA), Espírito Santo (ES), Goiás (GO), Maranhão (MA), Mato Grosso (MT), Mato Grosso do Sul (MS), Pará (PA), Pernambuco (PE), Rio de Janeiro (RJ), Rio Grande do Sul (RS), Roraima (RO) and São Paulo (SP). (Pinto & Lamas 2011, Calvão et al 2014, Côrrea et al 2014, Veras 2017, Koroiva et al 2020). The specimen was collected in a palm swamp (site 5) with margins predominantly composed by Brachiaria sp.…”

“…Many odonate species are known to be endangered with the overexploitation in many regions of the country (ICMBio 2018, Araújo et al 2020). This situation has encouraged great effort in preservation measures in the last years, including inventories in priority regions (e.g., Cerrado) and species conservation categorizations (De Marco & Viana 2005, Koroiva et al 2017, Dalzochio et al 2018a, Bastos et al 2019, Garcia Junior et al 2021, Koroiva et al 2020, Vilela et al 2020a. Despite this progress, distribution and taxonomic gaps are still frequently reported problems in the literature, even in explored regions.…”

“…Martin, 1909 -1♂; 1♀ (Figure 4a). Distribution: AM(Koroiva et al, 2020). The two individuals were flying next to a spring of preserved riparian forest at site 35 (urban park).…”