Larvas de simulídeos (Diptera, Simuliidae) do centro oeste, sudeste e sul do Brasil, parasitadas por microsporídeos (Protozoa) e mermitídeos (Nematoda)

Ginarte, Carmen Ambrós; Andrade, Carlos Fernando Salgueirosa de; Gaona, Jairo Campos

doi:10.1590/s0073-47212003000300011

Cited by 9 publications

(6 citation statements)

References 22 publications

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“…While the literature on black fly spatial distribution often focus on the influence of seasonality and/or abiotic factors (Rohmah et al, 2018, Hadi et al, 2019, the effect of biotic factors tend to be overlooked, with most of the studies in this perspective concentrating on the influence of parasitism (Ginarte et al, 2003, Araújo-Coutinho et al, 2004, Nascimento et al, 2007 due to its potential use in biological control (Figueiró and Gil-Azevedo, 2010). Predation can have a strong influence on community structure, affecting reproduction, feeding, adaptation to abiotic factors and defense, which are the four basic requirements of animals for survival and perpetuation (Peckarsky, 1984).…”

mentioning

confidence: 99%

Preliminary observations on the patterns of co-occurrence of Black fly (Diptera: Simuliidae) larvae and some of their potential macroinvertebrate predators

Figueiró

Santos

Docile

et al. 2020

Rev. Bras. entomol.

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Biotic factors such as predation, although important drivers of the black fly community, are rarely investigated in the literature. This study aimed to test the hypothesis that the patterns of co-occurrence of black fly larvae and its potential predators is not random and that there is a correlation between its frequencies and Simuliidae larvae abundances. Larvae were sampled from two localities in the Pedra Branca State Park, Rio de Janeiro, Brazil, during the dry season in june 2018. We collected Simulium pertinax Kollar, 1832, Simulium subpallidum Lutz, 1910, Simulium (Inaequalium) sp., Simulium (Psaroniocompsa) sp. and Simulium (Trichodagmia) sp. The predators families present were Perlidae, Hydropsychidae, Leptoceridae, Libellulidae and Chironomidae. The null models showed that species co-occurred significantly more than expected by chance. The canonical correlation analyses for the Vargem Grande and Pau da Fome areas area showed a significant relationship between black fly abundances and predator abundances. In Vargem Grande the abundance of Chironomidae showed a highly significant positive correlation to S. (Psaroniocompsa) sp., while Hydropsychidae was significantly correlated to Simulium sp. On the other hand, in Pau da Fome Libellulidae was significantly correlated to S. (Psaroniocompsa) sp. and Simulium sp. and Chironomidae correlated significantly to Simulium sp. The result is consistent with what would be expected of organisms that exercise mutual population regulation, although other factors than biotic interactions may be causing these patterns. However the lack of mechanistic evidences on the effect of biotic interactions on black fly populations pose a challenge on the understanding of these patterns.

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confidence: 99%

Preliminary observations on the patterns of co-occurrence of Black fly (Diptera: Simuliidae) larvae and some of their potential macroinvertebrate predators

Figueiró

Santos

Docile

et al. 2020

Rev. Bras. entomol.

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“…Camino (1987) accepts as valid approximately 12 species of the genus, without listing them, and describes three new species (Camino 1987, 1994). Species of Isomermis have been reported from Europe (Coman 1961, Rubzov 1968, Rubzov and Doby 1970, Katyukha and Lukhovoz 2008), North America (Welch 1962, St-Onge and Charpentier 2008, St-Onge et al 2008), Central (Poinar and Takaoka 1979, 1981) and South America (Camino 1987, 1994, Ginarte et al 2003), Africa (Rubzov 1972, Mondet et al 1977, Maduabum and Iwuala 1990, Crainey et al 2009) and Asia (Poinar and Takaoka 1986). The host range of the genus includes different species of Simuliidae (Crosskey and Poinar 2002) and rarely Chironomidae (Rubzov 1968, Camino 1987).…”

Section: Discussionmentioning

confidence: 99%

The mermithid species Isomermis lairdi (Nematoda, Mermithidae), previously only known in Africa, found in Europe

Gradinarov¹

2014

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The present work contributs to the knowledge on the aquatic mermithids (Nematoda, Mermithidae) occurring in black flies – an insufficiently studied group of parasitic nematodes. Isomermis lairdi Mondet, Poinar & Bernadou, 1977, described from larvae of Simulium damnosum Theobald, 1903 in Western Africa, is reported to occur in Bulgaria. The species was isolated from larvae of Simulium ornatum Meigen, 1818 in a local population of simuliids in a mountain stream near Jeleznitsa Village, Sofia district. Postparasitic juveniles of mermithids were obtained from the hosts and reared to the adult stage. The species was identified by morphological and morphometrical characters of postparasitic juveniles, and of male and female individuals. In the summer of 2012 a relatively high rate of mermithid infection in a local host population was detected (prevalence up to 44.1%). In August of the next year host abundance had considerably declined and other simuliid species, Simulium variegatum Meigen, 1818 and Simulium reptans (Linnaeus, 1758), predominated in the investigated locality. In West Africa, Isomermis lairdi is considered to be a potential biological agent for reducing the population density of the Simulium damnosum complex – the main vector of human onchocerciasis. In Europe, species of the Simulium ornatum complex are among the vectors of onchocerciasis of cattle and deer. The mermithids presumably play a certain role in the epidemiology of these diseases. A brief discussion on the taxonomy of the genus Isomermis Coman, 1953, and of the feasibility of molecular methods in mermithid taxonomy is provided. The species Isomermis lairdi is reported for the first time from Europe.

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“…Os processos de controle biológico atuam bioquímica/fisiologicamente, visando à redução da densidade populacional pela influência de outra população que possa agir nesse sentido, sendo dessa forma específico (FORATTINI, 2002). A avaliação do potencial predador de anelídeos, celenterados, crustáceos, insetos, ácaros, anfíbios, peixes, pássaros, fungos e bactérias sobre os simulídeos vêm sendo realizada (GINARTE et al, 2003;ARAÚJO-COUTINHO et al, 2004;NASCIMENTO et al, 2007), no entanto, apenas os estudos com bactérias do gênero Bacillus foi bem sucedido (CAMPOS & ANDRADE, 2001). Para que outros organismos possam ser empregados como agentes de controle biológico, são necessários maiores investimentos em experimentações que permitam uma adequada avaliação do desempenho destes em condições de laboratório e de campo (CAMPOS & ANDRADE, 2001).…”

Section: Métodos De Controle Aplicados a Dípteros Simuliidaeunclassified

“…Em paralelo aos estudos sobre o Bt, outros agentes entomopatogênicos têm sido estudados, como microsporídeos (ARAÚJO-COUTINHO et al, 2004;NASCIMENTO et al, 2007) e nematódeos (GINARTE et al, 2003), com vistas ao chamado manejo integrado, ou seja, o conhecimento de padrões de epizootia e enzootia de agentes entomopatogênicos naturais pode ampliar a eficiência do controle por Bt, permitindo a identificação de momentos mais apropriados para sua aplicação.…”

Section: P 93unclassified

Controle biológico de simulídeos (Diptera: Simuliidae): Panorama e perspectivas

2014

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Larvas de simulídeos (Diptera, Simuliidae) do centro oeste, sudeste e sul do Brasil, parasitadas por microsporídeos (Protozoa) e mermitídeos (Nematoda)

Cited by 9 publications

References 22 publications

Preliminary observations on the patterns of co-occurrence of Black fly (Diptera: Simuliidae) larvae and some of their potential macroinvertebrate predators

Preliminary observations on the patterns of co-occurrence of Black fly (Diptera: Simuliidae) larvae and some of their potential macroinvertebrate predators

The mermithid species Isomermis lairdi (Nematoda, Mermithidae), previously only known in Africa, found in Europe

Controle biológico de simulídeos (Diptera: Simuliidae): Panorama e perspectivas

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