english
français
RP2E INRA Université de Lorraine

Publications

Methods for species delimitation in bumblebees (Hymenoptera, Apidae, Bombus): Towards an integrative approach

Zoologica Scripta, 44 (-), pp. 281-297.

Lecocq, T., Dellicour, S., Michez, D., Dehon, M., Dewulf, A., De Meulemeester, T., Brasero, N., Valterová, I., Rasplus, J.-Y., Rasmont, P.

2015

Delimitation of closely related species is often hindered by the lack of discrete diagnostic morphological characters. This is exemplified in bumblebees (genus Bombus). There have been many attempts to clarify bumblebee taxonomy by using alternative features to discrete morphological characters such as wing shape, DNA, or eco-chemical traits. Nevertheless each approach has its own limitations. Recent studies have used a multisource approach to gather different lines of speciation evidence in order to draw a strongly supported taxonomic hypothesis in bumblebees. Yet, the resulting taxonomic status is not independent of selected evidence and of consensus methodology (i.e. unanimous procedure, majority, different weighting of evidence). In this paper, we compare taxonomic conclusions for a group of taxonomically doubtful species (the B. lapidarius-group) obtained from the four commonly used lines of evidence for species delimitation in bumblebees (geometric morphometric of wing shape, genetic differentiation assessment, sequence-based species delimitation methods, and differentiation of cephalic labial gland secretions). We ultimately aim to assess the usefulness of these lines of evidence as components of an integrative decision framework to delimit bumblebee species. Our results show that analyses based on wing shape do not delineate any obvious cluster. In contrast, nuclear/mitochondrial, sequence-based species delimitation methods, and analyses based on cephalic labial gland secretions are congruent with each other. This allows setting up an integrative decision framework to establish strongly supported species and subspecies status within bumblebees.

Imprimer le document

Voir le document sur le site de l'éditeur

178 Publications depuis 2019

Imprimer le listing

2024

ACL - Articles comité de lecture référencés bases de données HCÉRES

2023

ACL - Articles comité de lecture référencés bases de données HCÉRES

2022

ACL - Articles comité de lecture référencés bases de données HCÉRES

2021

ACL - Articles comité de lecture référencés bases de données HCÉRES

ACLN - Articles comité de lecture non-référencés bases de données HCÉRES

2020

ACL - Articles comité de lecture référencés bases de données HCÉRES

ACLN - Articles comité de lecture non-référencés bases de données HCÉRES

2019

ACL - Articles comité de lecture référencés bases de données HCÉRES

ACLN - Articles comité de lecture non-référencés bases de données HCÉRES

Voir les productions antérieures

Toutes les productions scientifiques