Data/hora: 02/06/2024 17:53:07

Provedor de dados: | 92
País: | Brazil
Título: | Effect of Bacillus sphaericus Neide on Anopheles (Diptera: Culicidae) and associated insect fauna in fish ponds in the Amazon
Autores: | Ferreira,Francisco Augusto da Silva; Arcos,Adriano Nobre; Sampaio,Raquel Telles de Moreira; Rodrigues,Ilea Brandão; Tadei,Wanderli Pedro.
Data: | 2015-09-01
Ano: | 2015
Palavras-chave: | Anopheles darlingi; Biological control; Chironomidae.
Resumo: | ABSTRACTWe analyzed the effects of Bacillus sphaericus on Anopheles larvae and on the associated insect fauna in fish farming ponds. Five breeding sites in the peri-urban area of the city of Manaus, AM, Brazil, were studied. Seven samples were collected from each breeding site and B. sphaericus was applied and reapplied after 15 days. The samples were made at 24 h before application, 24 h post-application and 5 and 15 days post-application. We determined abundance, larval reduction and larval density for Anopheles, and abundance, richness, Shannon diversity index and classified according to the functional trophic groups for associated insect fauna. A total of 904 Anopheles larvae were collected and distributed into five species. Density data and larval reduction demonstrated the rapid effect of the biolarvicide 24 h after application. A total of 4874 associated aquatic insects belonging to six orders and 23 families were collected. Regression analysis of diversity and richness indicated that the application of the biolarvicide had no influence on these indices and thus no effect on the associated insect fauna for a period of 30 days. B. sphaericus was found to be highly effective against the larvae of Anopheles, eliminating the larvae in the first days after application, with no effect on the associated insect fauna present in the fish ponds analyzed.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262015000300234
Editor: | Sociedade Brasileira De Entomologia
Relação: | 10.1016/j.rbe.2015.03.013
Formato: | text/html
Fonte: | Revista Brasileira de Entomologia  v.59 n.3 2015
Fonte: | info:eu-repo/semantics/openAccess