Data/hora: 24/06/2024 05:39:44

Biblioteca(s): | Embrapa Soja.
Data corrente: | 24/08/1994
Data da última atualização: | 19/05/2016
Autoria: | SALLES, L. A. B.
Título: | Parasitism of Nezara viridula (Heteroptera: pentatomidae) in soybean and other host plant communities.
Ano de publicação: | 1988
Fonte/Imprenta: | [S.l.]: University of Florida, 1988.
Páginas: | 191 f.
Idioma: | Inglês
Notas: | Ph.D. Thesis.
Conteúdo: | Laboratory and field studies were conducted to determine parasitism of Nezara viridula in nine host plant communities in Alachua County, Florida. The influence of parasitism on N. viridula performance in soybean is described quantitatively. Rearing methods for N. viridula and Trichopoda pennipes were developed and parasitization of N. viridula adults by T. pennipes and eggs by Trissolcus basalis was characterized. In all host plant communities studied, during 1986 and 1987, N. viridula adults were consistently parasitized by T. pennipes, but nymphs (IV and V instars ) were only occasionally parasitized. Eggs were parasitized by T. basalis. Both parasite species were present in all host plant communities sampled. The N. viridula population did not reach threshold levels during both years in soybean and levels of parasitization were lower in soybean than in other host plant communities studied. Solenopsis invicta was the most common and important species of ant preying on N. viridula egg masses insoybeans. An average of 68.5% of egg masses were preyed upon during 48 hours of exposure in soybean. Trichopoda pennipes parasitization had a strong negative effect on N. viridula longevity, fecundity and feeding. In cages with parasitized N. viridula adults, 92.6% of seeds were normal compared with 78.2% for cages with unparasitized stink bugs. Trichopoda pennipes oviposits over the entire N. viridula adult body surface. There was no strong relationship between abundance of tachinid eggs on host body and level of parasitiza
Palavras-Chave: | EUA; Insect; Pest; Soybean; Trichopoda pennipes; USA.
Thesagro: | Controle Biológico; Inseto; Nezara Viridula; Praga; Soja.
Thesaurus Nal: | biological control; Trissolcus basalis.
Categoria do assunto: | --
Registro original: | Embrapa Soja (CNPSO)
Exemplares: | CNPSO - (15227-1) - ADD - TS - PP - 16/88 -  - 16/88 - DIS