(Z)-9-tricosene identified in rectal gland extracts of Bactrocera oleae males: first evidence of a male-produced female attractant in olive fruit fly

Carpita, Adriano; Canale, Angelo; Raffaelli, Andrea; Saba, Alessandro; Benelli, Giovanni; Raspi, Alfio

doi:10.1007/s00114-011-0868-y

Cited by 71 publications

(48 citation statements)

References 9 publications

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“…splendens was directly recorded by an observer dressed with a white coat, in order to minimize his impact 40–42, 72 . For each replicate, the test tank was carefully washed for about 30 s with warm water at 35–40 °C, then cleaned using water plus mild soap for about 5 min, rinsed with hot water for about 60 s, then rinsed with tap water at room temperature 40, 73 , and finally refilled with dechlorinated tap water at 25 ± 1 °C. Both the fish replica and the cylindrical dummy were carefully washed for about 30 s with warm water at 35–40 °C, then cleaned using water plus mild soap for about 5 min, rinsed with hot water for about 30 s, then rinsed with distilled water at room temperature, before starting each replicate.…”

Section: Methodsmentioning

confidence: 99%

Multiple cues produced by a robotic fish modulate aggressive behaviour in Siamese fighting fishes

Romano

Benelli

Donati

et al. 2017

Sci Rep

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The use of robotics to establish social interactions between animals and robots, represents an elegant and innovative method to investigate animal behaviour. However, robots are still underused to investigate high complex and flexible behaviours, such as aggression. Here, Betta splendens was tested as model system to shed light on the effect of a robotic fish eliciting aggression. We evaluated how multiple signal systems, including a light stimulus, affect aggressive responses in B. splendens. Furthermore, we conducted experiments to estimate if aggressive responses were triggered by the biomimetic shape of fish replica, or whether any intruder object was effective as well. Male fishes showed longer and higher aggressive displays as puzzled stimuli from the fish replica increased. When the fish replica emitted its full sequence of cues, the intensity of aggression exceeded even that produced by real fish opponents. Fish replica shape was necessary for conspecific opponent perception, evoking significant aggressive responses. Overall, this study highlights that the efficacy of an artificial opponent eliciting aggressive behaviour in fish can be boosted by exposure to multiple signals. Optimizing the cue combination delivered by the robotic fish replica may be helpful to predict escalating levels of aggression.

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Section: Methodsmentioning

confidence: 99%

Multiple cues produced by a robotic fish modulate aggressive behaviour in Siamese fighting fishes

Romano

Benelli

Donati

et al. 2017

Sci Rep

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“…The mature males produce (Z)‐9‐tricosene which attracts females (Carpita et al. ; Canale et al. ), whereas young immature males produce DSU as the females and can indirectly benefit by distracting mature males from females (Benelli et al.…”

Section: Introductionmentioning

confidence: 99%

Effect of fruit volatiles and light intensity on the reproduction of Bactrocera (Dacus) oleae

Kokkari

Pliakou

Floros

et al. 2017

J Applied Entomology

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The olive fly, Bactrocera oleae (Rossi), is the main pest of olive, a host tree that thrives under conditions of high and direct sun exposure. Although the effect of the olive fruit on the reproduction of the fly has been studied to some extent, there is little knowledge on the effect of light. In the present work, we studied the effect of the presence of olive fruit and light intensity on mating and subsequent egg production of olive flies at 25°C and a photoperiod regime of L : D 16 : 8. The results showed that contact of the adults with the fruit, or exposure to fruit odours, favoured both the extent and the duration of mating. This effect was higher at low than at high light intensity. However, egg production following female access to olive fruit was more favoured by high light intensity. Our results also showed that fruit contact and/or volatile fruit stimuli significantly affect mating and egg production of the olive fly, and that this influence is modulated by light conditions. The results contribute to a better understanding of the reproductive behaviour and population dynamics of the olive fly. On a more practical scale, the results provide important insights into how to improve mass rearing of the fly.

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“…In other fruit flies, female polyandry is related to male quality, and the amount of sperm and accessory substances in the ejaculate (Miyatake et al 1999;Mossinson and Yuval 2003;Gavriel et al 2009;Radhakrishnan et al 2009;Abraham et al 2011). Recent studies have shown that the mating system of the olive fly, where both sexes produce sex pheromones, differs from that of most other tephritids Carpita et al 2012). Nevertheless, similar to other Bactrocera species, mating takes places at dusk (Sacantanis 1953), with males forming aggregations on the host tree (Uscidda and Delrio 1979;Benelli 2014).…”

Section: Introductionmentioning

confidence: 99%

Polygyny in the olive fly—effects on male and female fitness

Gerofotis

Yuval

Ioannou

et al. 2015

Behav Ecol Sociobiol

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Polygynous males must balance their limited ejaculate resources between current copulations, with putative future ones. Working on olive flies (Bactrocera oleae), our objectives were to determine (a) how males budget sperm to consecutive copulations, (b) what costs consecutive copulations incur, and (c) how male mating history affects female fecundity, fertility, and longevity. We allowed males to copulate with virgin females on successive days and monitored the fertility and fecundity of these females, and the longevity of both sexes. We found that as males gained sexual experience, latency to mate declined significantly, while copula duration increased. The number of sperm stored by females declined according to the sexual history of her mate-as males gained experience, significantly fewer sperm cells were transferred. Mated males suffered a significant longevity cost compared to virgin ones, but this cost was not compounded by additional matings. Male sexual experience affected both female fecundity and fertility. Furthermore, mating with an experienced male incurred a longevity cost to females. We conclude that non-sperm components of the male ejaculate are responsible for reducing female fecundity, fertility, and longevity, and predict that females should prefer to mate with virgin males.

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(Z)-9-tricosene identified in rectal gland extracts of Bactrocera oleae males: first evidence of a male-produced female attractant in olive fruit fly

Cited by 71 publications

References 9 publications

Multiple cues produced by a robotic fish modulate aggressive behaviour in Siamese fighting fishes

Multiple cues produced by a robotic fish modulate aggressive behaviour in Siamese fighting fishes

Effect of fruit volatiles and light intensity on the reproduction of Bactrocera (Dacus) oleae

Polygyny in the olive fly—effects on male and female fitness

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