Cryptic diversity in Brevipalpus mites (Tenuipalpidae)
Identifieur interne : 000063 ( France/Analysis ); précédent : 000062; suivant : 000064Cryptic diversity in Brevipalpus mites (Tenuipalpidae)
Auteurs : Denise Navia [Brésil] ; Renata S. Mendonça [Brésil] ; Francisco Ferragut [Espagne] ; Letícia C. Miranda [Brésil] ; Roberto C. Trincado [Chili] ; Johan Michaux [France] ; Maria Navajas [France]Source :
- Zoologica Scripta [ 0300-3256 ] ; 2013-07.
Abstract
Defining the taxonomic identity of organisms is a prerequisite for their study, and in the case of economically important species, misidentification may lead to the application of inappropriate prevention and control strategies. Flat mites of the Brevipalpus genus include several crop pests and the systematics of these mites represents a challenge for acarologists. Many of the most economically important Brevipalpus species have repeatedly been inaccurately identified. Such problematic classification has been attributed to the likely occurrence of cryptic species in the genus. In this study, we used an integrative approach that combined molecular analyses, including sequence‐based species delimitation, with detailed morphological identification using traits that have recently showed to be taxonomically informative. Sequences of mitochondrial cytochrome c oxidase subunit I (COI) were obtained from individuals collected from host plants belonging to 14 genera and 13 families across 29 locations in the Americas (Brazil, Chile, USA). The phylogenetic analyses included previously published Brevipalpus sequences from GenBank, and the final data set was classified into 44 haplotypes. Six putative species were recognised by COI‐based species delimitation analysis, and morphological evidence supported each of these species. The integrative approach revealed the occurrence of cryptic species in the Brevipalpus genus and contributed to the clarification of previously noted incongruences. The results presented here allow for the evaluation of taxonomic characteristics in a phylogenetic context and indicate new characters for the differentiation of Brevipalpus species. In addition, Brevipalpus incognitus n. sp. Ferragut & Navia, a cryptic species detected in this study, is described based on morphological and molecular traits. Implications of the advances in Brevipalpus systematics presented herein with respect to pest management are briefly discussed.
Url:
DOI: 10.1111/zsc.12013
Affiliations:
- Brésil, Chili, Espagne, France
- Languedoc-Roussillon, Occitanie (région administrative)
- Montferrier‐sur‐Lez
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