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Revista de la Sociedad Entomológica Argentina
versión On-line ISSN 1851-7471
Resumen
CHACON CASTRO, Yerlin y LOPEZ, Silvia N.. Biology of Eretmocerus mundus (Hymenoptera: Aphelinidae), parasitoid of Bemisia tabaci complex (Homoptera: Aleyrodidae) under laboratory conditions. Rev. Soc. Entomol. Argent. [online]. 2010, vol.69, n.1-2, pp.45-56. ISSN 1851-7471.
The estimation of biological attributes of natural enemies prior to its use in the field is an important tool in a biological control program. The objective of the present paper was to evaluate the main biological parameters of Eretmocerus mundus Mercet, a parasitoid of Bemisia tabaci (Gennadius), under controlled laboratory conditions. Parasitoid survival, female longevity, fecundity, sex rate, intrinsic rate of natural increase (rm), net reproductive rate (Ro) and generational time (T) were studied using life tables, with pepper (Capsicum annuum L.) and tomato (Solanum lycopersicum L.) as host plants. Results obtained on pepper and tomato, respectively, were: pupal survival: 86.86 ± 1.94 and 83,45 ± 2,13%; female longevity: 18,19 ± 1,61 and 17,00 ± 0,92 days; sex rate: 0,34 ± 0,06 and 0,47 ± 0,05 female/(male + female); lx50: 21 and 18 days; rm: 0,226 ± 0,061 and 0,228 ± 0,057 parasitized nymphs/female/day; Ro: 189,71 ± 24,25 and 154,65 ± 17,58 parasitized nymphs/female; T: 25,88 ± 0,42 and 24,03 ± 0,34 days. Results lead to a better understanding of the local population of this parasitoid and its potential role as a biological control agent of B. tabaci.
Palabras clave : Eretmocerus mundus; Bemisia tabaci; Capsicum annuum; Solanum lycopersicum; Biological control.