Acanthagrion marinae sp. nov. (Zygoptera: Coenagrionidae): a new species of the apicale group

Lozano, Federico; Rodrigues, Marciel Élio

doi:10.1590/0001-3765201820170715

Cited by 5 publications

(6 citation statements)

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“…Although nearly half of the cells that make up the Neotropical region have at least one occurrence record, most reflect low or fair survey completeness (Oliveira et al, 2016(Oliveira et al, , 2019. As it is the case for other animal taxa (Oliver et al, 2021), studies of neotropical odonates have increased in the last decade (Miguel et al, 2017), with many focussed on the description of new species (e.g., Lozano & Rodrigues, 2018), local Predictably, the greatest sampling efforts were near research centres where established odonatologists work (e.g., Mexico, Puerto Rico, Brazil and Argentina). This confirms the well-known relationship between areas with scientific infrastructure/specialists and good biodiversity inventories (Meyer, 2016).…”

Section: (A) (B)mentioning

confidence: 99%

Sampling completeness changes perceptions of continental scale climate–species richness relationships in odonates

Alves‐Martins,

Stropp,

Juen

et al. 2024

Journal of Biogeography

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AimInsects are one of the least studied taxa, with most species lacking basic ecological and biogeographical information. This problem is particularly acute in the tropics, where low sampling effort hampers accurate estimates of species richness at scale and potentially confounds efforts to identify the drivers of biogeographical gradients. Here, we evaluate the quality of the data on the distribution and diversity of odonate species in the Neotropics, while also examining the influence of sampling completeness on climate–richness relationships using a comprehensive database of odonates.LocationThe Neotropics.TaxonOdonata.MethodsUsing 56,535 records collected from 1970 to 2021, we assess whether climate–species richness models vary under different scenarios of survey completeness.ResultsOur survey compilation revealed that most Neotropical diversity of Odonata likely remains unknown. Only 1% of the one‐degree cells covering the Neotropics held reliable information on odonate species richness, with particularly severe gaps in the Caribbean, Central America, northeastern Brazil and northern Chile. Temperature, precipitation and potential evapotranspiration exert consistent effects on Odonata richness across the entire Neotropics, regardless the level of survey completeness. Whereas seasonality‐related variables are less important predictors of species richness at the biogeographical scale.Main ConclusionsBy highlighting areas where inventories are more reliable and identifying regions that require increased data collection efforts and mobilization, our assessment offers a roadmap for improving the reliability of odonate inventories in the Neotropics. Furthermore, our findings underscore the importance of accounting for varying levels of survey completeness in macroecological models to reveal robust climate–species richness relationships. Simultaneously, they highlight strong climatic predictors of species richness, irrespective of survey effort intensity. These predictors provide a solid foundation for modelling and predicting odonate species richness in the Neotropics.

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Section: (A) (B)mentioning

confidence: 99%

Sampling completeness changes perceptions of continental scale climate–species richness relationships in odonates

Alves‐Martins,

Stropp,

Juen

et al. 2024

Journal of Biogeography

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“…For example, Erythrodiplax ana and F. machadorum were first discovered, respectively, at a preserved palm swamp and forest fragment adjacent to urban and cattle areas (Guillermo-Ferreira et al 2016, Vilela et al 2020b). Moreover, Acanthagrion marinae Lozano & Rodrigues, 2018, a recent discovered coenagrionid, was also recorded in preserved urban palm swamps in Brazil (Lozano & Rodrigues 2018, Rodrigues et al 2019). In addition to provide suitable habitats to sensitive and low dispersion populations, most part of regional dragonfly community can also be benefited in conserved fragments, since these areas hold resources and microhabitats absent in degraded matrices (Ferreira-Peruquetti & Fonseca-Gessner 2003, Paulson et al 2006, Araújo et al 2020.…”

Section: Discussionmentioning

confidence: 95%

“…The majority of odonate studies are concentrated in the Cerrado, one of the Brazilian hotspots (Myers et al 2000, Miguel et al 2017. Nonetheless, new recent taxonomic and distribution discoveries have been indicating gaps in little explored and endangered phytophysiognomies of this biome, such as riparian forest (including gallery forest) and veredas (i.e., palm swamps) (Rodrigues et al 2018, Palacio et al 2020, Lozano & Rodrigues 2018. Both formations are associated with important water courses to local and regional biodiversity and hydrographic maintenance (Ribeiro & Walter 1998, Latrubesse et al 2019.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2021

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Remaining freshwater systems are historically under threat mainly due to human activities such as agriculture and urbanization. The consequences of such activities are innumerous, and among them there is a decrease of suitable habitats for threatened fauna. In the Brazilian Cerrado, the odonatofauna of palm swamps and riparian forests are still poorly explored, a fact that difficult conservation efforts of the group. Thus, we performed an inventory in several urban and rural sites containing these phytophysiognomies in Uberlândia, Triângulo Mineiro region, western Minas Gerais state. In total, we found 101 Odonata species, seven families and 46 genera in the municipality, with 76 and 66 species, respectively, belonging to palm swamp and forest sites. From this diversity, eight species were first records in the state of Minas Gerais: Neuraeschna claviforcipata Martin, 1909, Phyllocycla cf. medusaBelle, 1988, Diastatops intensa Montgomery, 1940, Oligoclada pachystigma Karsch, 1890, O. xanthopleura Borror, 1931, Angelagrion nathaliaeLencioni, 2008, Telebasis sanguinalis Calvert, 1909 and Telebasis simulacrum (Calvert, 1909). We also sampled Erythrodiplax anaGuillermo-Ferreira & Vilela 2016, a species listed as endangered (EN) by the IUCN red list. Additionally, we include some taxonomic notes of Forcepsioneura machadorum females, a newly discovered species in the region. Our results contribute to the Odonata database in Brazil and highlights the importance inventories in poorly explored aquatic ecosystems.

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“…The species Argia mollis, Argia reclusa, and Acanthagrion marinae depend on roots, leaves, and trunks in the water to lay their eggs (Vilela et al 2016, Rodrigues et al 2018a. Moreover, species such as A. mollis, A. marinae, and P. tenuis are always associated with preserved environments and with surrounding riparian vegetation (von Ellenrieder 2009a, Garisson et al 2010, Calvão et al 2018, Lozano & Rodrigues 2018. These species also exhibited high specificity for the areas surrounded by riparian vegetation, i.e.…”

Section: Speciesmentioning

confidence: 99%

Dragonflies as Indicators of the Environmental Conditions of Veredas in a Region of Central-Western Brazil

2019

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Veredas (palm swamps) play a critical role in maintaining the hydrological system and they are considered the cradle of the waters of the Brazilian Cerrado. Currently, veredas are suffering intense human pressure due to the conversion of native landscapes for other land uses as agriculture, pasture and urban environments. Few studies have evaluated the biodiversity of veredas and the current effects of human impact, especially on aquatic communities. Dragonflies and damselflies (Odonata) have excelled as bioindicators of environmental quality and they are increasingly used in environmental monitoring programs. In this study, we evaluate whether loss of riparian vegetation around the vereda areas alters the communities of Odonata and whether the species can be considered bioindicators of these environmental conditions. Our hypothesis is that eco-physiological and behavioral characteristics, such as thermoregulation capacity and oviposition behavior, influence the persistence of species in communities in natural or altered environments. We sampled 25 veredas and classified them into two groups, namely "preserved riparian vegetation" (VRP), when the riparian vegetation surrounding the sampled stretch was 30 meters or more, and "altered riparian vegetation" (VRA), when the vegetation extended for less than 30 meters from at least one of the banks. Our results showed that the composition of the communities in areas classified as VRP was more similar to each other and different from the communities found in the areas classified as VRA. Of the 52 species observed, 11 species responded as indicators for preserved or altered riparian vegetation. Of these species, four were indicative of areas with preserved riparian vegetation and seven were indicative of veredas with altered riparian vegetation. Our results show that the composition of dragonflies and damselflies, and some taxa in particular may be potential indicators of the condition of veredas, and may, therefore, be included in vereda monitoring programs in Central-Western Brazil.

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Acanthagrion marinae sp. nov. (Zygoptera: Coenagrionidae): a new species of the apicale group

Cited by 5 publications

References 2 publications

Sampling completeness changes perceptions of continental scale climate–species richness relationships in odonates

Sampling completeness changes perceptions of continental scale climate–species richness relationships in odonates

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

Dragonflies as Indicators of the Environmental Conditions of Veredas in a Region of Central-Western Brazil

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