@ARTICLE{TreeBASE2Ref17148, author = {Donald L. J. Quicke and Robert Belshaw}, title = {Incongruence between morphological data sets: an example from the evolution of endoparasitism among parasitic wasps (Hymenoptera: Braconidae).}, year = {1999}, keywords = {Conflict; convergence; homoplasy; Hymenoptera; incongruence; parasitoid}, doi = {10.1080/106351599260094}, url = {}, pmid = {}, journal = {Systematic Biology}, volume = {48}, number = {3}, pages = {436--454}, abstract = {Phylogenetic analyses of molecular and morphological data sets for a group of parasitic wasps (Hymenoptera: Braconidae) give strikingly different results. The molecular data indicate that the major life history transition from ectoparasitism to endoparasitism has occurred independently several times within the family while the morphological data indicate a single origin. Similar incongruent topologies are obtained if the morphological data are partitioned by either of two methods: distinguishing (1) characters of the larval stage and female reproductive system, or (2) characters selected individually by the authors prior to the analysis as likely to be mechanistically associated with endo/ectoparasitism. This result is supported by significant differences in tests of incongruence, and we propose that it is caused by convergence among morphological characters resulting from a shared life history strategy. Conflict; convergence; homoplasy; Hymenoptera; incongruence; parasitoid.} }

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