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Gamma Radiation Sterilization Dose of Adult Males in Asian Tiger Mosquito Pupae

Department of Irradiation Technology Center—CTR, University of São Paulo/Institute of Nuclear Energy Research—IPEN/USP, São Paulo SP 05508-000, Brazil
Department of Radiobiology and Environment—University of São Paulo/Center for Nuclear Energy in Agriculture—CENA/USP, University of São Paulo, Piracicaba SP 13400-970, Brazil
Análises e Estudos Biológicos-AEB—Sítio Santa Isabel, 95 km Road, Rio Claro-SP-Charqueada SP 13515-000, Brazil
Author to whom correspondence should be addressed.
Insects 2019, 10(4), 101;
Received: 3 January 2019 / Revised: 20 March 2019 / Accepted: 22 March 2019 / Published: 8 April 2019
(This article belongs to the Special Issue Integrative Mosquito Biology: From Molecules to Ecosystems)
PDF [785 KB, uploaded 8 April 2019]
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The pathogen-carrying tiger mosquito, Aedes albopictus, has spread from the Western Pacific and Southeast Asia to Europe, Africa, the Middle East, North and South America, and the Caribbean. This species of mosquito transmits arboviral infections, such as yellow fever, chikungunya, dengue, zika, and several encephalitides. The objective of this research was to provide a radiation dose inducing sterilization in adult male Ae. albopictus in the pupal stage. A cobalt-60 source of gamma radiation at a dose rate of 381 Gy/h was used. The pupae were irradiated with doses of 0 (control), 20, 30, 40, 50, and 60 Gy. Each treatment had a total of five replications using 60 pupae. After irradiation, the different phases of Ae. albopictus development (egg, larva, pupa, and adult) in the F1 generation were observed daily. Parameters such as viability, fertility, longevity, and mortality were recorded. The results from these studies showed that a dose of 60 Gy was necessary to sterilize 100% of the male Ae. albopictus pupae. View Full-Text
Keywords: Aedes albopictus; ionizing radiation; pupae; mosquitoes; sterile Aedes albopictus; ionizing radiation; pupae; mosquitoes; sterile

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Ricardo Machi, A.; Rodrigues Mayne, R.; Adriani Gava, M.; Bergamin Arthur, P.; Arthur, V. Gamma Radiation Sterilization Dose of Adult Males in Asian Tiger Mosquito Pupae. Insects 2019, 10, 101.

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