A bioassay method for black flies (Diptera: Simuliidae) using larvicides

Araújo-Coutinho, Carlos J.P.C.; Figueiró, Ronaldo; Viviani, Andréia P.; Nascimento, Érika S; Cavados, Clara F.G.

doi:10.1590/s1519-566x2005000300022

Cited by 4 publications

(1 citation statement)

References 4 publications

(6 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…A família Simuliidae possui mais de 1.750 espécies descritas, e estima-se que cerca de 10% destas são antropofílicas e zoofílicas (Campos e Andrade, 2002;Araújo-Coutinho et al, 2005;Figueiró et al, 2006). Os simulídeos apresentam relevância como vetores do filarídeo causador da oncocercose humana como também socioeconômica, uma vez que afetam a atividade turística e agropecuária em regiões de alta incidência, visto que sua picada pode causar prurido intenso e irritação cutânea (Amaral-Calvão e Maia-Herzog, 2003;Gil-Azevedo et al, 2004;Figueiró et al, 2006).…”

Section: Introductionunclassified

Larval development of Simulium (Chirostilbia) pertinax (Diptera: Simuliidae) in an artificial breeding site

Cunha¹,

Medeiros

Bernardino

et al. 2011

Neotropical Biology and Conservation

View full text Add to dashboard Cite

ResumoEste estudo teve por objetivo observar a influência de diferentes concentrações de nutrientes sobre o período de desenvolvimento larvário de Simulium (Chirostilbia) pertinax. Foram coletadas fêmeas de S. (C.) pertinax ingurgitadas e submetidas à oviposição por "stress". Os ovos foram retirados e transportados a um criadouro artificial, no qual foram comparados dois suplementos alimentares: alga e levedura, em diferentes concentrações. Poucas variações dos fatores abióticos foram observadas durante o estudo, encontrando-se dentro dos padrões para a espécie S. (C.) pertinax. Em relação à taxa de formação de pupas, foi observada uma maior taxa na concentração de 5 ml de alga + 10 ml de levedura, com diferença significativa em relação às concentrações de 10 ml de alga + 5 ml de levedura. Nos testes com 5 ml de alga, 10 ml de levedura e 5 ml de levedura, não foi obtido o término do desenvolvimento larvário em todas as repetições. A pouca variação dos fatores abióticos é compatível com resultados de outros autores; assim, os valores observados neste experimento podem ser considerados adequados, quando comparados aos padrões exigidos por esta espécie. A utilização de alga, associada ou não a outros elementos, para criação em laboratório, tem sido feita por diversos autores, assim como a utilização de levedura. Em criação de S. (C.) pertinax alimentada com cultura exclusiva de algas, ocorreu sobrevida larvária máxima de 43 dias, e, quando alimentada com caldo de levedura, não obtivemos o desenvolvimento larvário completo. Palavras-chave:Simulium (Chirostilbia) pertinax, período larvário, alimentação larval. AbstractThis study aimed to observe the influence of different concentrations of nutrients over the period of development of Simulium (Chirostilbia) pertinax larvae. Were collected Simulium pertinax engorged females and then subjected to oviposition under stress. The eggs were removed and transported to an artificial breeding site, in which two alimentary supplements were compared, viz. algae and yeast in different concentrations. Few variations of abiotic factors were observed during the study, and they were within the standards of the S. (C.) pertinax species. Regarding the rate of pupae formation, a higher concentration of 5 ml of algae + 10 ml of yeast was observed, with significant differences in concentrations of 10 ml of algae and 10 ml of algae and 5 ml of yeast. In tests with 5ml of algae, 10 ml of yeast, and 5 ml of yeast, the end of larval development was not obtained in all replications. The small variation of abiotic factors is consistent with results of other authors, and the values observed in this experiment can be regarded as appropriate when compared to the standards required by this species. Use of seaweed, with or without other elements, for breeding in the laboratoryhas been made , 2004;Figueiró et al., 2006). No hemisfério norte, existem relatos de baixa produção leiteira e até mesmo de morte de gado. Em regiões de grande infestação, as perdas econômicas ocasionadas pelas espécies zoófila...

show abstract

Section: Introductionunclassified

Larval development of Simulium (Chirostilbia) pertinax (Diptera: Simuliidae) in an artificial breeding site

Cunha¹,

Medeiros

Bernardino

et al. 2011

Neotropical Biology and Conservation

View full text Add to dashboard Cite

show abstract

Arthropoda

2019

Parasiticide Screening, Volume 1

View full text Add to dashboard Cite

Susceptibility of Simuliidae larvae (Diptera) to a new solid formulation based onBacillus thuringiensisvar.israelensis(Bti), and bioecological aspects of the breeding sites in Cascavel - Paraná, Brazil

Lis¹,

Alves

Zequi

et al. 2023

Preprint

View full text Add to dashboard Cite

Due to the hematophagous habits of females, some species of black fly (Diptera, Simuliidae) are known to be responsible for economic losses and can cause significant damage to the health of human and livestock populations. To control populations of these insects, several bioinsecticides based on the bacterium Bacillus thuringiensis var. israelensis (Bti) are widely used. The objective of the current study was to evaluate the susceptibility of black fly larvae to a new Bti solid effervescent formulation, comparing it with a commercial standard formulation, Vectobac liquid formulation, under laboratory conditions. The study was carried out in the municipality of Cascavel, Parana, Brazil. Eighteen hours after application of the formulations, larval mortality was evaluated. The control group did not exceed 20% mortality, for concentrations of 50 and 60 mg/L, the mean mortality rates were 50.6% and 64.2%, respectively, and neither differed significantly from the Vectobac. The stream sampled showed external fecal contamination during the eight weeks of monitoring and water quality parameters that could interfere with the efficiency of the control with Bti at the site. The following species of black flies were collected and identified in the two watersheds sampled: Simulium pertinax, S. subpallidum, S. nigrimanum, S. rubrithorax, S. perflavum, and S. inaequale. Bioecological aspects of the breeding site were addressed and presented here, this being the first report of black fly species for the municipality of Cascavel. The potential of the solid effervescent formulation was proven under laboratory conditions and the bioecological evaluations demonstrated the relevance of environmental diagnosis and monitoring in the optimization of control protocols for Simuliidae.

show abstract

A bioassay method for black flies (Diptera: Simuliidae) using larvicides

Cited by 4 publications

References 4 publications

Larval development of Simulium (Chirostilbia) pertinax (Diptera: Simuliidae) in an artificial breeding site

Larval development of Simulium (Chirostilbia) pertinax (Diptera: Simuliidae) in an artificial breeding site

Arthropoda

Susceptibility of Simuliidae larvae (Diptera) to a new solid formulation based onBacillus thuringiensisvar.israelensis(Bti), and bioecological aspects of the breeding sites in Cascavel - Paraná, Brazil

Contact Info

Product

Resources

About