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8 results on '"Negrisoli, Aldomario Santo"'

1. Intraspecific body size variability in a population of Billaea rhynchophorae (Blanchard) (Diptera: Tachinidae) parasitizing Rhynchophorus palmarum (Linnaeus) (Coleoptera: Curculionidae) in Brazil

Author

Guzzo, Elio Cesar, primary, Toma, Ronaldo, additional, Acevedo, Juan Pablo Molina, additional, Vega, Jackeline Gaviria, additional, Negrisoli, Aldomario Santo, additional, Löhr, Bernhard Leo, additional, dos Santos, Tamara Tais, additional, da Silva, Diego Jorge, additional, and Diniz, Leandro Eugênio Cardamone, additional

Published
2023
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7. Intraspecific body size variability in a population of Billaea rhynchophorae(Blanchard) (Diptera: Tachinidae) parasitizing Rhynchophorus palmarum(Linnaeus) (Coleoptera: Curculionidae) in Brazil

Author

Guzzo, Elio Cesar, Toma, Ronaldo, Acevedo, Juan Pablo Molina, Vega, Jackeline Gaviria, Negrisoli, Aldomario Santo, Löhr, Bernhard Leo, dos Santos, Tamara Tais, da Silva, Diego Jorge, and Diniz, Leandro Eugênio Cardamone

Abstract

Background: The black palm weevil, Rhynchophorus palmarum(Linnaeus, 1758) (Coleoptera: Curculionidae) is considered the most important palm pest in the Americas. In the State of Bahia, Brazil, it is parasitized by tachinid flies (Diptera: Tachinidae). During 2019–2020, larvae and pupae of R. palmarumwere collected from African oil palms (Elaeis guineensisJacq.) in the municipalities of Jaguaripe and Taperoá, Bahia State, Brazil. Puparia and adult tachinids of two apparent morphospecies, with considerable differences in body size, were obtained from the R. palmarumimmatures, which led to initially assume that we had collected two different tachinid species. Results: Morphological identification as well as COIgene sequencing showed that the two apparent morphospecies belong to a single taxonomic species, Billaea rhynchophorae(Blanchard, 1937) (Diptera: Tachinidae). Conclusions: Occurrence of intraspecific size variability in B. rhynchophoraewas reported, as well as performed the first genetic sequencing for this species. The reason of the size variation could not be determined but some possible causes and implications are discussed.

Published
2023
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8. Association between entomopathogenic nematodes and non-synthetic insecticides for improved control of Nasutitermes spp. (Isoptera: Termitidae) in sugarcane plantations.

Author

Neto, Pregentino Souza, R. C. Barbosa Negrisoli, Carla, and Negrisoli, Aldomario Santo

Subjects
INSECT nematodes, TERMITE control, NASUTITERMES, TERMITIDAE, INSECTICIDE application, BIOLOGICAL assay, GREATER wax moth, SUGAR plantations
Abstract

The aim of this study was to evaluate the in vitro efficacy of the combination of entomopathogenic nematodes and non-synthetic insecticides in the control of Nasutitermes spp. (Isoptera: Termitidae). Bioassays were performed upon insect collection from areas with the high incidence of this pest. The experimental arena for insecticide assays consisted of 80-mL plastic containers with a screened cover. We tested six insecticides and the nematode species Heterorhabditidis bacteriophora RS58, Steinernema glaseri RS38, and Heterorhabditis sp. isolates AL39, AL40, AL41, AL42, AL43, AL44, AL46, and AL47, all of which were grown in last-instar larvae of Galleria mellonella L. (Lepidoptera: Pyralidae). The insecticides Codipirol®, Pure Neem Oil®, and Pyroligneous Acid Extract® caused high mortality in adults of Nasutitermes. The nematode Heterorhabditis sp. AL40 presented a median lethal concentration of 7976 infectious juveniles per adult of Nasutitermes sp. In addition, the mixture of these three non-synthetic products at a concentration of 3% caused complete mortality in Heterorhabditis sp. AL40 and S. glaseri RS38. Future trials should be encouraged in order to evaluate the field efficiency of non-synthetic insecticides mixed or not with entomopathogenic nematodes. [ABSTRACT FROM AUTHOR]

Published
2018
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