Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids

Abstract The olive fruit fly, Bactrocera oleae, has been a key pest of olives in Europe and North America. We conducted the largest exploration for parasitoids associated with the fly across Sub-Saharan Africa (Kenya, Namibia, and South Africa) including some of the fly’s adjoining regions (Canary I...

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Autores principales:	Xingeng Wang, Vaughn M. Walton, Kim A. Hoelmer, Charles H. Pickett, Arnaud Blanchet, Robert K. Straser, Alan A. Kirk, Kent M. Daane
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1c03650cf96449b188015d7f2b150aae
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spelling	oai:doaj.org-article:1c03650cf96449b188015d7f2b150aae2021-12-02T11:39:27ZExploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids10.1038/s41598-021-85253-y2045-2322https://doaj.org/article/1c03650cf96449b188015d7f2b150aae2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-85253-yhttps://doaj.org/toc/2045-2322Abstract The olive fruit fly, Bactrocera oleae, has been a key pest of olives in Europe and North America. We conducted the largest exploration for parasitoids associated with the fly across Sub-Saharan Africa (Kenya, Namibia, and South Africa) including some of the fly’s adjoining regions (Canary Islands, Morocco, Réunion Island and Tunisia). From Sub-Saharan regions, four braconids were collected: Bracon celer, Psytallia humilis, P. lounsburyi, and Utetes africanus. Results showed that their regional dominance was related to climate niches, with P. humilis dominant in hot semi-arid areas of Namibia, P. lounsburyi dominant in more tropical areas of Kenya, and U. africanus prevalent in Mediterranean climates of South Africa. Psytallia concolor was found in the Canary Islands, Morocco and Tunisian, and the Afrotropical braconid Diachasmimorpha sp. near fullawayi on Réunion Island. Furthermore, we monitored the seasonal dynamics of the fly and parasitoids in Cape Province of South Africa. Results showed that fruit maturity, seasonal variations in climates and interspecific interactions shape the local parasitoid diversity that contribute to the low fly populations. The results are discussed with regard to ecological adaptations of closely associated parasitoids, and how their adaptations impact biocontrol.Xingeng WangVaughn M. WaltonKim A. HoelmerCharles H. PickettArnaud BlanchetRobert K. StraserAlan A. KirkKent M. DaaneNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xingeng Wang Vaughn M. Walton Kim A. Hoelmer Charles H. Pickett Arnaud Blanchet Robert K. Straser Alan A. Kirk Kent M. Daane Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids
description	Abstract The olive fruit fly, Bactrocera oleae, has been a key pest of olives in Europe and North America. We conducted the largest exploration for parasitoids associated with the fly across Sub-Saharan Africa (Kenya, Namibia, and South Africa) including some of the fly’s adjoining regions (Canary Islands, Morocco, Réunion Island and Tunisia). From Sub-Saharan regions, four braconids were collected: Bracon celer, Psytallia humilis, P. lounsburyi, and Utetes africanus. Results showed that their regional dominance was related to climate niches, with P. humilis dominant in hot semi-arid areas of Namibia, P. lounsburyi dominant in more tropical areas of Kenya, and U. africanus prevalent in Mediterranean climates of South Africa. Psytallia concolor was found in the Canary Islands, Morocco and Tunisian, and the Afrotropical braconid Diachasmimorpha sp. near fullawayi on Réunion Island. Furthermore, we monitored the seasonal dynamics of the fly and parasitoids in Cape Province of South Africa. Results showed that fruit maturity, seasonal variations in climates and interspecific interactions shape the local parasitoid diversity that contribute to the low fly populations. The results are discussed with regard to ecological adaptations of closely associated parasitoids, and how their adaptations impact biocontrol.
format	article
author	Xingeng Wang Vaughn M. Walton Kim A. Hoelmer Charles H. Pickett Arnaud Blanchet Robert K. Straser Alan A. Kirk Kent M. Daane
author_facet	Xingeng Wang Vaughn M. Walton Kim A. Hoelmer Charles H. Pickett Arnaud Blanchet Robert K. Straser Alan A. Kirk Kent M. Daane
author_sort	Xingeng Wang
title	Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids
title_short	Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids
title_full	Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids
title_fullStr	Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids
title_full_unstemmed	Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids
title_sort	exploration for olive fruit fly parasitoids across africa reveals regional distributions and dominance of closely associated parasitoids
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1c03650cf96449b188015d7f2b150aae
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Exploration for olive fruit fly parasitoids across Africa reveals regional distributions and dominance of closely associated parasitoids

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