Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)

Abstract. There are risks involved in the production and exportation of fruit fly hosts due to the possible spread of tephritid pests during distribution. Anastrepha grandis attacks cucurbit fruits and is considered an A1 quarantine pest in many countries. The objective of this study was to evaluate...

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Autores principales:	Fernando Berton Baldo, Adalton Raga
Formato:	article
Lenguaje:	EN ES
Publicado:	Sociedad Chilena de Entomología 2021
Materias:	cucurbitaceae desinfestation fruit fly insecta postharvest treatment Science Q Zoology QL1-991
Acceso en línea:	https://doaj.org/article/ff8fd3aad7d84416bfd4e1e9997506fe
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spelling	oai:doaj.org-article:ff8fd3aad7d84416bfd4e1e9997506fe2021-11-09T11:19:31ZEffect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)10.35249/rche.47.4.21.010034-740X0718-8994https://doaj.org/article/ff8fd3aad7d84416bfd4e1e9997506fe2021-10-01T00:00:00Zhttps://www.biotaxa.org/rce/article/view/71934https://doaj.org/toc/0034-740Xhttps://doaj.org/toc/0718-8994Abstract. There are risks involved in the production and exportation of fruit fly hosts due to the possible spread of tephritid pests during distribution. Anastrepha grandis attacks cucurbit fruits and is considered an A1 quarantine pest in many countries. The objective of this study was to evaluate the effect of hot water treatment on the eggs and larvae of A. grandis in vitro, and on ‘Atlas’ squash (Cucurbita moschata). The eggs and third-instar larvae of A. grandis were exposed to hot water at temperatures of 42.0, 44.0, 46.0, 46.5, 47.0, 47.5, 48.0, 49.0 and 50.0 (± 0.5) °C for durations of 0 (control), 10, 20, 30 and 60 minutes. Water temperatures of at least 44 °C affected the in vitro larval eclosion of A. grandis during all exposure times. No adults were obtained when in vitro A. grandis larvae were treated at 49 °C and 50 °C at all exposure times and, 48 °C for 30 and 60 minutes. No adults were obtained when squashes infested with A. grandis eggs or larvae were treated at temperatures of 49 °C and 50 °C during any exposure time, as well as subjected to 48 °C for 20 minutes. Anastrepha grandis larvae were slightly more susceptible to hydrothermal treatment than eggs in squashes. Hot water treatment applies at a temperature of 48 °C for 20 minutes is an effective phytosanitary treatment for squashes cv. Atlas infested with eggs and larvae of A. grandisFernando Berton BaldoAdalton RagaSociedad Chilena de Entomologíaarticlecucurbitaceaedesinfestationfruit flyinsectapostharvest treatmentScienceQZoologyQL1-991ENESRevista Chilena de Entomología, Vol 47, Iss 4, Pp 653-668 (2021)
institution	DOAJ
collection	DOAJ
language	EN ES
topic	cucurbitaceae desinfestation fruit fly insecta postharvest treatment Science Q Zoology QL1-991
spellingShingle	cucurbitaceae desinfestation fruit fly insecta postharvest treatment Science Q Zoology QL1-991 Fernando Berton Baldo Adalton Raga Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)
description	Abstract. There are risks involved in the production and exportation of fruit fly hosts due to the possible spread of tephritid pests during distribution. Anastrepha grandis attacks cucurbit fruits and is considered an A1 quarantine pest in many countries. The objective of this study was to evaluate the effect of hot water treatment on the eggs and larvae of A. grandis in vitro, and on ‘Atlas’ squash (Cucurbita moschata). The eggs and third-instar larvae of A. grandis were exposed to hot water at temperatures of 42.0, 44.0, 46.0, 46.5, 47.0, 47.5, 48.0, 49.0 and 50.0 (± 0.5) °C for durations of 0 (control), 10, 20, 30 and 60 minutes. Water temperatures of at least 44 °C affected the in vitro larval eclosion of A. grandis during all exposure times. No adults were obtained when in vitro A. grandis larvae were treated at 49 °C and 50 °C at all exposure times and, 48 °C for 30 and 60 minutes. No adults were obtained when squashes infested with A. grandis eggs or larvae were treated at temperatures of 49 °C and 50 °C during any exposure time, as well as subjected to 48 °C for 20 minutes. Anastrepha grandis larvae were slightly more susceptible to hydrothermal treatment than eggs in squashes. Hot water treatment applies at a temperature of 48 °C for 20 minutes is an effective phytosanitary treatment for squashes cv. Atlas infested with eggs and larvae of A. grandis
format	article
author	Fernando Berton Baldo Adalton Raga
author_facet	Fernando Berton Baldo Adalton Raga
author_sort	Fernando Berton Baldo
title	Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)
title_short	Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)
title_full	Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)
title_fullStr	Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)
title_full_unstemmed	Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)
title_sort	effect of hot-water immersion on eggs and larvae of anastrepha grandis (macquart, 1846) (diptera: tephritidae) “in vitro” and on squash (cucurbita moschata duchesne, 1786)
publisher	Sociedad Chilena de Entomología
publishDate	2021
url	https://doaj.org/article/ff8fd3aad7d84416bfd4e1e9997506fe
work_keys_str_mv	AT fernandobertonbaldo effectofhotwaterimmersiononeggsandlarvaeofanastrephagrandismacquart1846dipteratephritidaeinvitroandonsquashcucurbitamoschataduchesne1786 AT adaltonraga effectofhotwaterimmersiononeggsandlarvaeofanastrephagrandismacquart1846dipteratephritidaeinvitroandonsquashcucurbitamoschataduchesne1786
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Effect of hot-water immersion on eggs and larvae of Anastrepha grandis (Macquart, 1846) (Diptera: Tephritidae) “in vitro” and on squash (Cucurbita moschata Duchesne, 1786)

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