Journal: | Neotropical entomology |
Database: | PERIÓDICA |
System number: | 000299227 |
ISSN: | 1519-566X |
Authors: | Valerio, Jose R1 Oliveira, Marlene C.M2 |
Institutions: | 1Empresa Brasileira de Pesquisa Agropecuaria, Gado de Corte, Campo Grande, Mato Grosso do Sul. Brasil 2Radio Popular Idaterra Instituto de Desen Assist Tec Instencao Rural, Olericultura, Campo Grande, Mato Grosso do Sul. Brasil |
Year: | 2005 |
Season: | Feb |
Volumen: | 34 |
Number: | 1 |
Pages: | 137-138 |
Country: | Brasil |
Language: | Portugués |
Document type: | Nota breve o noticia |
Approach: | Experimental |
English abstract | Egg parasitism by the microhymenopteran Anagrus urichi Pickles was found on samples of spittlebug eggs collected in Brachiaria decumbens pasture. It is the first record of spittlebug egg parasitism for the State of Mato Grosso do Sul, Brazil. The rate of 10.4% of parasitism was observed in 1688 spittlebug eggs, comprising seven samples. On average, 4.7 wasps emerged from each parasitized egg. Thirteen percent of parasitism were observed when 100 eggs of the spittlebug Notozulia entreriana (Berg), obtained in the laboratory, were exposed to eight of these parasitoids. It is anticipated the possibility of mass rearing A. urichi |
Portuguese abstract | Constatou-se parasitismo em amostras de ovos de cigarrinhas-das-pastagens coletadas em pastagens de Brachiaria decumbens, pelo microhimenóptero Anagrus urichi Pickles, constituindo-se no primeiro registro dessa natureza para o Estado de Mato Grosso do Sul. O índice de parasitismo observado foi de 10,4%, sendo que, em média, emergiram 4,7 parasitóides por ovo. A exposição de 100 ovos da cigarrinha Notozulia entreriana (Berg), obtidos em laboratório, a oito desses parasitóides, resultou em 13% de parasitismo, indicando a possibilidade de multiplicação desse inimigo natural em laboratório |
Disciplines: | Biología |
Keyword: | Ecología, Insectos, Control biológico, Parasitoides, Huevos, Enemigos naturales, Cercopoidea |
Keyword: | Biology, Ecology, Insects, Biological control, Parasitoids, Eggs, Natural enemies, Froghopper |
Full text: | Texto completo (Ver HTML) |