2019
DOI: 10.12741/ebrasilis.v12i2.845
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Diversity and spatial distribution of black flies (Diptera: Simuliidae) in the Ijuí river drainage basin, Rio Grande do Sul, Brazil

Abstract: Abstract. In southern Brazil there are several problems regarding the hematophageal activity of black flies, and the information on the distribution of species are still insufficient. In this study, our main goals were to recognize Simuliidae species and to analyze abiotic factors regarding the distribution of immature stages (larva and pupa) in streams from the Ijuí River basin, Northwest of Rio Grande do Sul, Brazil. We sampled simulids specimens in 27 study sites, covering three regions (high, intermediate … Show more

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Cited by 6 publications
(5 citation statements)
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“…The fact that only few species were expressive in abundance is in accordance with the results obtained by mCgill et al (2007) and several other studies regarding immature stages of simuliids (strieder et al 2006;sAntos et al 2010;ArAndA 2017;menzel et al 2019;jitklAng et al 2020), suggesting that environments modified by economic activities are more homogeneous (CouCeiro et al 2014). In the Comandaí river sub-basin, a higher abundance of simuliids (44.38%) was observed in mouth stretches.…”
Section: Discussionsupporting
confidence: 91%
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“…The fact that only few species were expressive in abundance is in accordance with the results obtained by mCgill et al (2007) and several other studies regarding immature stages of simuliids (strieder et al 2006;sAntos et al 2010;ArAndA 2017;menzel et al 2019;jitklAng et al 2020), suggesting that environments modified by economic activities are more homogeneous (CouCeiro et al 2014). In the Comandaí river sub-basin, a higher abundance of simuliids (44.38%) was observed in mouth stretches.…”
Section: Discussionsupporting
confidence: 91%
“…Simulium incrustatum (14.56%) was the second most abundant species in this study and, along with S. pertinax, represented 92.11% of the total sample, also showing a wide distribution within the sampled streams, which corroborate previous studies (doCile et al 2015;yA'CoB et al 2016;menzel et al 2019). The occurrence of this species was higher in the source and in the upper region of the sub-basin.…”
Section: Discussionsupporting
confidence: 90%
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“…Aspectos negligenciados: diversidade genética, filogenia e número de espécies do grupo A família Simuliidae é uma família representada por dípteros aquáticos que se encontram ausentes apenas na Antártica, desertos e ilhas onde por falta de riachos e água corrente ou existência de temperaturas extremas, o desenvolvimento do estágio larval é inviável. Análises taxonômicas baseadas em características morfológicas sugerem que está Família possuiria aproximadamente 2.328 espécies, incluindo 12 fósseis (MENZEL et al, 2019). Estudos de filogenia molecular de insetos tem avançado enormemente nos últimos devido as novas tecnologias de sequenciamento de DNA (NGS em inglês -Next Generation Sequence).…”
Section: Importância Médico-veterinária Do Simulídeounclassified
“…Historically, leucocytozoid parasite transmission has been deemed negligible in the Neotropics outside these highland areas, despite the local presence of Simuliidae black flies (Figueiró et al ., 2012; Docile et al ., 2015; Coscarón and Coscarón-Arias, 2017; Vieira et al ., 2017; Menzel et al ., 2019), the Diptera insects that transmit these parasites (Valkiūnas, 2005). Early reports using microscopy alone showed low rates of Leucocytozoon infection in Neotropical areas (Galindo and Sousa, 1966; Forrester et al ., 1977; White et al ., 1978; Bennett et al ., 1980; Bennett and Lopes, 1980; Woodworth-Lynas et al ., 1989).…”
Section: Introductionmentioning
confidence: 99%