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1 February 2010 Influence of a Juvenile Hormone Analog and Dietary Protein on Male Anastrepha suspensa (Diptera: Tephritidae) Sexual Success
Rui Pereira, John Sivinski, Peter E. A. Teal
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Abstract

Juvenile hormone levels and adult diet have important effects on the attractiveness and competitiveness of male Anastrepha suspensa (Loew) (Caribbean fruit fly). Because the success of the sterile insect technique requires the release of males that can compete in the wild, these effects are of crucial importance. Laboratory and field cage experiments were conducted to compare male sexual performance on a lifetime basis and daily basis when submitted to four different treatments: (M P-) application of the juvenile hormone analog, methoprene (M) and sugar and hydrolyzed yeast as adult food; (M P-) application of M and sugar as adult food; (M-P ) no application of M and sugar and hydrolyzed yeast as adult food; and (M-P-) no application of M and sugar as adult food. On a daily basis, M P males always performed better sexually, and 10% of these individuals were able to mate three consecutive times in the same day. However, the copula duration decreased with the increased number of matings on same day. In addition, M caused earlier maturation. On a lifetime basis, M P males had significantly greater sexual success than other flies. The substantial improvement in male sexual performance because of the hormone application, protein supply, and interaction of hormone and protein has the potential of producing more efficacious sterile males.

Rui Pereira, John Sivinski, and Peter E. A. Teal "Influence of a Juvenile Hormone Analog and Dietary Protein on Male Anastrepha suspensa (Diptera: Tephritidae) Sexual Success," Journal of Economic Entomology 103(1), 40-46, (1 February 2010). https://doi.org/10.1603/EC08324
Received: 16 October 2008; Accepted: 1 March 2009; Published: 1 February 2010
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