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Year

2010

Title

Source

Neotropical Entomology (Impresso); v. 39(2); p. 235-240

http://www.scielo.br/pdf/ne/v39n2/v39n2a14.pdf

Abstract

The importance of the protein ingestion during the adult stage on the mating success of males of Ceratitis capitata Wiedemann was evaluated in experiments of laboratory and fi eld cage. In laboratory, the effects of protein ingestion during the fi rst four or 12 days of the male adult life was assessed by the following parameters: mating success (capacity of being chosen by the female) and the number of males that give out pheromonal signals. Some experiments of mating success had been carried through with males in different ratios. In these tests, the number of males which had ingested protein (an unique male) was remained constant and the number of males fed without protein was gradually increased from 1:1 to 1:5. In the fi eld cages, the mating success experiments were done using a 1:1 ratio. The results showed that the protein ingestion in the fi rst four days of life did not influence any of the analyzed parameters. When the period of ingestion of protein was extended to 12 days, protein-fed males fed produced more pheromonal signals and had a higher mating success when at a 1:1 ratio in laboratory and fi eld cage assays. In laboratory, females randomly chose males in any other tested ratio (1:2, 1:3, 1:4 and 1:5), indicating that the female may lose the perception to identify the male who ingested protein in the fi rst 12 days. (author)

Authors

Silva Neto, Alberto M. da; Dias, Vanessa S.; Joachim-Bravo, Iara S.

Keywords

Interest Groups

TWD; TEAM; TWWH; TAAO

Attachments

Created at 16/07/2014 21:26 by Abdeljelil Bakri
Last modified at 16/07/2014 21:26 by Abdeljelil Bakri