Annals of the Entomological Society of America (2018) 111, 239-264

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Diego F. Segura, Silvina A. Belliard, M. Teresa Vera, Guillermo E. Bachmann, M. Josefina Ruiz, Flavia Jofre-Barud, Patricia C. Fernández, M. Liza López and Todd E. Shelly (2018)
Plant chemicals and the sexual behavior of male tephritid fruit flies
Annals of the Entomological Society of America 111 (4), 239-264
Abstract: Plant compounds affect insects in many different ways. In addition to being a food source, plants also contain secondary metabolites that may have positive and negative impacts on insects. The influence of these compounds on sexual behavior, in particular, has been the focus of many recent studies. Here, we review the existing literature on the effects of plant compounds on the sexual behavior of tephritid fruit fly males. We put special focus on polyphagous species whose males congregate in leks, where females exert strong mate selection. We first summarize the main findings related to plant compounds that increase male signaling behavior and attraction of females and consequently increase mating frequency, a phenomenon that has been recorded mainly for species of Anastrepha and Ceratitis. In other tephritid species, males are attracted to phenylpropanoids produced by plants (such as methyl eugenol or raspberry ketone) that, upon encounter, are consumed and sequestered by males. These compounds, or metabolic derivatives, which normally have negligible nutritional value, are included in the pheromone and also confer advantages in a sexual context: enhanced female attraction and improved male mating success. These phenomena have been reported for several Bactrocera species as well as for Zeugodacus cucurbitae. Because many tephritid species are serious pests, the effect of plant compounds on male behavior has been explored for potential incorporation into control strategies such as the sterile insect technique (SIT). We conclude noting several factors, such as age and nutrition during larval and adult stage, that modulate the effect of plant compounds on male mating behavior as well as some prominent gaps that preclude a thorough understanding of the plant-mediated enhancement of male sexual performance and hence limit our ability to effectively utilize phytochemicals in pest control strategies.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: English)
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Database assignments for author(s): M. Teresa Vera

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
pheromones/attractants/traps


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.
Anastrepha ludens
Bactrocera dorsalis
Ceratitis capitata
Bactrocera oleae
Bactrocera tryoni
Anastrepha fraterculus
Zeugodacus cucurbitae
Bactrocera carambolae
Bactrocera correcta
Bactrocera umbrosa
Anastrepha serpentina
Bactrocera cacuminata
Ceratitis quilicii