Distribution and phylogenetics of whiteflies and their endosymbiont relationships after the Mediterranean species invasion in Brazil

Letícia Aparecida de Moraes, Cristiane Muller, Regiane Cristina Oliveira de Freitas Bueno, Antônio Santos, Vinicius Henrique Bello, Bruno Rossitto De Marchi, Luís Fernando Maranho Watanabe, Julio Massaharu Marubayashi, Beatriz Rosa Santos, Valdir Atsushi Yuki, Hélio Minoru Takada, Danielle Ribeiro de Barros, Carolina Garcia Neves, Fábio Nascimento da Silva, Mayra Juline Gonçalves, Murad Ghanim, Laura Boykin, Marcelo Agenor Pavan, Renate Krause-Sakate

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The Bemisia tabaci is a polyphagous insect and a successful vector of plant viruses. B. tabaci is a species complex and in Brazil native species from the New World (NW) group, as well as the invasive species, Middle East-Asia Minor 1 (MEAM1) and Mediterranean (MED) were reported. For better understanding the distribution of the different species four years after the Mediterranean species invasion in Brazil, whiteflies were collected from 237 locations throughout the country between the years of 2013 and 2017, species were identified and the facultative endosymbionts detected. The survey revealed that MEAM1 was the prevalent species found on major crops across Brazil. It is the only species present in North, Northwestern and Central Brazil and was associated with virus-infected plants. MED was found in five States from Southeast to South regions, infesting mainly ornamental plants and was not associated with virus-infected plants. The prevalent endosymbionts identified in MEAM1 were Hamiltonella and Rickettsia; and the mtCOI analysis revealed low genetic diversity for MEAM1. In contrast, several different endosymbionts were identified in MED including Hamiltonella, Rickettsia, Wolbachia and Arsenophonus; and two distinct genetic groups were found based on the mtCOI analysis. Monitoring the distribution of the whiteflies species in Brazil is essential for proper management of this pest.

Original languageEnglish
Article number14589
JournalScientific Reports
Issue number1
Publication statusPublished - 1 Dec 2018

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