Pilot Suppression trial of<i>Aedes albopictus</i>mosquitoes through an Integrated Vector Management strategy including the Sterile Insect Technique in Mauritius

Iyaloo, Diana P.; Bouyer, Jérémy; Facknath, Sunita; Bheecarry, Ambicadutt

doi:10.1101/2020.09.06.284968

Cited by 14 publications

(24 citation statements)

References 72 publications

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“…Nowadays, the most employed sexing methods are based on mechanical sexing tools, which exploit protandry, according to which males develop earlier compared to females, and rely on sex size dimorphism present at the pupal stage, whereby females are bigger than males [ 15 , 24 , 36 , 37 , 38 , 39 , 40 ]. The developmental rates of males, females and larvae are not synchronous, and are time-related, determining the simultaneous presence of pupae of both sexes and larvae.…”

Section: Introductionmentioning

confidence: 99%

Aedes albopictus Sterile Male Production: Influence of Strains, Larval Diet and Mechanical Sexing Tools

Malfacini

Puggioli

Balestrino

et al. 2022

Insects

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The sterile insect technique (SIT) is a biologically based method of pest control, which relies on the mass production, sterilization, and release of sterile males of the target species. Since females can transmit viruses, it is important to develop a mass rearing system to produce a large number of males with a low presence of females. We evaluated the effects of different strains, larval diets and sexing tools on male productivity and residual female presence for the application of SIT against Aedes albopictus. Strains coming from Italy, Germany, Greece, and Montenegro, with different levels of colonization, were reared with three larval diets: IAEA-BY, BLP-B and SLP-BY. Developed pupae were sexed using two different mechanical methods: sieve or Fay-Morlan separator. The results proved that adoption of the Fay-Morlan separator increased the productivity and limited the female presence. The IAEA-BY diet showed the lowest female contamination. Strains with a high number of breeding generations showed a decreased productivity and an increased female presence. Increased female presence was found only in extensively reared strains and only when the sorting operation was conducted with sieves. We hypothesize that extensive colonization may determine a size reduction which limits the sexing tool efficiency itself.

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Section: Introductionmentioning

confidence: 99%

Aedes albopictus Sterile Male Production: Influence of Strains, Larval Diet and Mechanical Sexing Tools

Malfacini

Puggioli

Balestrino

et al. 2022

Insects

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“…Populations of Ae. albopictus were successfully suppressed in China [ 215 ], Italy [ 320 ] and Mauritius [ 321 ]. In China, triple Wolbachia -infected male Ae.…”

Section: Main Research Achievements—human Disease Vectorsmentioning

confidence: 99%

The Insect Pest Control Laboratory of the Joint FAO/IAEA Programme: Ten Years (2010–2020) of Research and Development, Achievements and Challenges in Support of the Sterile Insect Technique

Vreysen

Abd-Alla

Bourtzis

et al. 2021

Insects

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The Joint FAO/IAEA Centre (formerly called Division) of Nuclear Techniques in Food and Agriculture was established in 1964 and its accompanying laboratories in 1961. One of its subprograms deals with insect pest control, and has the mandate to develop and implement the sterile insect technique (SIT) for selected key insect pests, with the goal of reducing the use of insecticides, reducing animal and crop losses, protecting the environment, facilitating international trade in agricultural commodities and improving human health. Since its inception, the Insect Pest Control Laboratory (IPCL) (formerly named Entomology Unit) has been implementing research in relation to the development of the SIT package for insect pests of crops, livestock and human health. This paper provides a review of research carried out between 2010 and 2020 at the IPCL. Research on plant pests has focused on the development of genetic sexing strains, characterizing and assessing the performance of these strains (e.g., Ceratitis capitata), elucidation of the taxonomic status of several members of the Bactrocera dorsalis and Anastrepha fraterculus complexes, the use of microbiota as probiotics, genomics, supplements to improve the performance of the reared insects, and the development of the SIT package for fruit fly species such as Bactrocera oleae and Drosophila suzukii. Research on livestock pests has focused on colony maintenance and establishment, tsetse symbionts and pathogens, sex separation, morphology, sterile male quality, radiation biology, mating behavior and transportation and release systems. Research with human disease vectors has focused on the development of genetic sexing strains (Anopheles arabiensis, Aedes aegypti and Aedes albopictus), the development of a more cost-effective larvae and adult rearing system, assessing various aspects of radiation biology, characterizing symbionts and pathogens, studying mating behavior and the development of quality control procedures, and handling and release methods. During the review period, 13 coordinated research projects (CRPs) were completed and six are still being implemented. At the end of each CRP, the results were published in a special issue of a peer-reviewed journal. The review concludes with an overview of future challenges, such as the need to adhere to a phased conditional approach for the implementation of operational SIT programs, the need to make the SIT more cost effective, to respond with demand driven research to solve the problems faced by the operational SIT programs and the use of the SIT to address a multitude of exotic species that are being introduced, due to globalization, and established in areas where they could not survive before, due to climate change.

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“…These projects reported a C value above the 0.2 threshold, resulting in the successful suppression of Ae. albopictus in China [9], Italy [10], and Mauritius [11].…”

Section: Insights From Recent Field Trialsmentioning

confidence: 99%

Yes, Irradiated Sterile Male Mosquitoes Can Be Sexually Competitive!

Bouyer

Vreysen

2020

Trends in Parasitology

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Pilot Suppression trial ofAedes albopictusmosquitoes through an Integrated Vector Management strategy including the Sterile Insect Technique in Mauritius

Cited by 14 publications

References 72 publications

Aedes albopictus Sterile Male Production: Influence of Strains, Larval Diet and Mechanical Sexing Tools

Aedes albopictus Sterile Male Production: Influence of Strains, Larval Diet and Mechanical Sexing Tools

The Insect Pest Control Laboratory of the Joint FAO/IAEA Programme: Ten Years (2010–2020) of Research and Development, Achievements and Challenges in Support of the Sterile Insect Technique

Yes, Irradiated Sterile Male Mosquitoes Can Be Sexually Competitive!

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