Wing‐fanning frequency as a releaser boosting male mating success—High‐speed video analysis of courtship behavior in <i>Campoplex capitator</i>, a parasitoid of <i>Lobesia botrana</i>

Benelli, Giovanni; Ricciardi, Renato; Romano, Donato; Cosci, Francesca; Stefanini, Cesare; Lucchi, Andrea

doi:10.1111/1744-7917.12740

Cited by 13 publications

(3 citation statements)

References 73 publications

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“…However, it has recently been recognized that communication by substrate-borne vibrations is the most widespread channel of communication in arthropods 25 . In parasitic Hymenoptera, wing fanning performed by males may act as a vibrational stimulus to quieten the female and triggering sexual receptivity 41 . Pea leafminers ( Liriomyza huidobrensis ) produce vibrational signals that convey efficient information to the opposite sex and result in pair formations on substrates, like plant leaves 42 .…”

Section: Discussionmentioning

confidence: 99%

Acoustic characteristics of sound produced by males of Bactrocera oleae change in the presence of conspecifics

Terzidou

Kouloussis²,

Papanikolaou³

et al. 2022

Sci Rep

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Males of the olive fruit fly Bactrocera oleae vibrate and stridulate their wings at dusk producing sounds different from flight sounds with no confirmed behavior role. We recorded and performed a temporal-spectral analysis of this sound. Sound produced by male wing vibration/stridulation consists of intermittent pulses of highly variable duration and of fundamental frequency of around 350 Hz. Flight sound has a much lower fundamental frequency of approximately 180 Hz. Males begin to display wing vibration and sound production at the beginning of their sexual maturity at the 5th day of their age. This behavior is more pronounced in the presence of another conspecific male and observed less in male–female pairs or in solitary males. Broadcasts of the recorded sound did not attract flies of either sex. The highest fundamental frequency was found in association with wing vibrations emitted by male–male pairs, followed by those emitted by male–female pairs and then solitary males, which showed the lowest frequency values. The mean pulse duration and interpulse interval were shorter in male–male pairs than in male–female pairs. We assume that the male wing vibration and the produced signal, apart from its possible role in the courtship of the females, could also be associated with male–male interactions for territorial and rival activities, for which further experiments are required.

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Section: Discussionmentioning

confidence: 99%

Acoustic characteristics of sound produced by males of Bactrocera oleae change in the presence of conspecifics

Terzidou

Kouloussis²,

Papanikolaou³

et al. 2022

Sci Rep

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“…To produce enough wasps for our experiments, a C. capitator rearing was maintained as described in (Benelli et al, 2020; Lucchi et al, 2018): L. botrana larvae were kept in plastic boxes (20cm D x 15cm W x 10cm H) with a nutritious substrate (30g of agar, 60g of sugar, 50g of alfalfa, 36g of Brewer yeast, 25g of Wesson salt, 180g of wheat sprout, 80g of casein, 4g of sorbic acide, 15g of Wanderzahnt vitamins, 2.5g of cholesterol, 2.5g of tetracyclin, 5mL of propionic acid (99,5%), 2mL of linoleic acid (95%), 5mL of olive oil and 1.5mL of distilled water). After the emergence, adults were kept in the same box for reproduction where the substrate was removed and droplets of honey were added.…”

Section: Methodsmentioning

confidence: 99%

Discovery of new endogenous viral elements in campoplegine wasps (Ichneumonidae, Campopleginae, Campoplex) suggests a widespread nudivirus domestication event

de Araujo,

Leobold,

Cariou

et al. 2023

Preprint

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Viral endogenization is a widespread phenomenon that generally results in non-functional viral elements. In parasitoid wasps, nudiviruses have been involved in three independent domestication events and play a key role in parasitism success. In Campopleginae (Ichneumonidae), endogenized ichnovirus presence is widespread, with the exception ofVenturia canescens(Ichneumonidae Campopleginae), which is known to harbour an endogenous nudivirus that enables the wasp to produce Virus-Like-Particles (VLPs). So far, in Campopleginae, the nudivirus endogenization event was an isolated case restricted toV. canescens.Using third generation sequencing technologies, microscopy and mass spectrometry, we described new cases of domesticated nudiviruses in campoplegine wasps of the genusCampoplex. We found endogenized viruses inCampoplexgenomes which belong to the Alphanudivrius genus and derive from the same endogenization event as the virus found inV. canescens,suggesting that this integration event could be much more widespread in Campopleginae than previously thought. These nudiviruses are organised in highly conserved clusters, but this organisation appears to have changed relatively to free viruses during the domestication process. We showed thatCampoplex capitatorproduces in its ovaries VLPs that are similar morphologically toV. canescensVLPs, with almost the same protein content, except for a strikingly different virulence proteins, a sign of different evolutionary paths taken to respond to distinct evolutive pressure. While ichnovirus remnants have been previously found inV. canescens, no trace of ichnovirus could be detected inCampoplexgenomes, meaning that the evolutionary history of viral integrations in Campopleginae is more complex than previously imagined.

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“…Although EOs are generally considered environmentally safe [6,[58][59][60][61], our further research will be directed to testing the effect of EOs on selected characteristics of non-target organisms, with the aim of confirming the environmental safety of botanical insecticide applications based on our selected EOs. It will also be important to study the possibility of increasing the content of EOs in plants, on the one hand by using suitable elicitation methods and on the other hand by more profitable cultivation technologies, and technique of extractions [62][63][64] that will lead to a higher yield of EOs, like the case of other aromatic plants.…”

Section: Insecticidal Activitymentioning

confidence: 99%

Essential Oils from Cameroonian Aromatic Plants as Effective Insecticides against Mosquitoes, Houseflies, and Moths

Wandjou

Baldassarri

Ferrati

et al. 2022

Plants

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Recently, spices have attracted the attention of scientists and agrochemical companies for their potential as insecticidal and acaricidal agents, and even as repellents to replace synthetic compounds that are labeled with detrimental impacts on environment and human and animal health. In this framework, the aim of this study was to evaluate the insecticidal potential of the essential oils (EOs) obtained from three Cameroonian aromatic plants, namely Monodora myristica (Gaertn.) Dunal, Xylopia aethiopica (Dunal) A. Rich., and Aframomum citratum (J. Pereira) K. Schum. They were produced by hydrodistillation, with yields of 3.84, 4.89, and 0.85%, respectively. The chemical composition was evaluated by GC-MS analysis. The EOs and their major constituents (i.e., geraniol, sabinene, α-pinene, p-cymene, α-phellandrene, and β-pinene) were tested against the polyphagous moth pest, i.e., Spodoptera littoralis (Boisd.), the common housefly, Musca domestica L., and the filariasis and arbovirus mosquito vector, Culex quinquefasciatus Say. Our results showed that M. myristica and X. aethiopica EOs were the most effective against M. domestica adults, being effective on both males (22.1 µg adult−1) and females (LD50: 29.1 µg adult−1). The M. myristica EO and geraniol showed the highest toxicity on S. littoralis, with LD50(90) values of 29.3 (123.5) and 25.3 (83.2) µg larva−1, respectively. Last, the EOs from M. myristica and X. aethiopica, as well as the major constituents p-cymene and α-phellandrene, were the most toxic against C. quinquefasciatus larvae. The selected EOs may potentially lead to the production of cheap and effective botanical insecticides for African smallholders, although the development of effective formulations, a safety evaluation, and an in-depth study of their efficacy on different insect species are needed.

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Wing‐fanning frequency as a releaser boosting male mating success—High‐speed video analysis of courtship behavior in Campoplex capitator, a parasitoid of Lobesia botrana

Cited by 13 publications

References 73 publications

Acoustic characteristics of sound produced by males of Bactrocera oleae change in the presence of conspecifics

Acoustic characteristics of sound produced by males of Bactrocera oleae change in the presence of conspecifics

Discovery of new endogenous viral elements in campoplegine wasps (Ichneumonidae, Campopleginae, Campoplex) suggests a widespread nudivirus domestication event

Essential Oils from Cameroonian Aromatic Plants as Effective Insecticides against Mosquitoes, Houseflies, and Moths

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