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1 March 2011 Phylogeny of the Coleoptera Based on Morphological Characters of Adults and Larvae
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Abstract
In order to infer phylogenetic relationships within the extraordinarily speciesrich order Coleoptera, a cladistic analysis is performed, in which 516 adult and larval morphological characters are scored for 359 beetle taxa, representing 314 families or subfamilies plus seven outgroup taxa representing seven holometabolan orders. Many morphological features are discussed at length with accompanying illustrations, and an attempt is made to homologize these and employ a uniform set of terms throughout the order. The resulting data matrix is analyzed using the parsimony ratchet in conjunction with implied weighting. The resulting most parsimonious tree found the order Strepsiptera to be sister to Coleoptera, each of the four coleopteran suborders to be monophyletic and subordinal relationships as follows: (Archostemata Adephaga) (Myxophaga Polyphaga), but without significant support for either clade. The topology of the remainder of the tree is consistent with many prior molecular and morphological analyses, with the monophyly of superfamilies Hydrophiloidea (sensu lato), Scarabaeoidea and Curculionoidea and many currently recognized families and subfamilies are well supported, with weaker support for Elateroidea, Cucujiformia and Phytophaga.
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John F. Lawrence, Adam Ślipiński, Ainsley E. Seago, Margaret K. Thayer, Alfred F. Newton and Adriana E. Marvaldi "Phylogeny of the Coleoptera Based on Morphological Characters of Adults and Larvae," Annales Zoologici 61(1), (1 March 2011). https://doi.org/10.3161/000345411X576725
Received: 8 March 2011; Accepted: 1 March 2011; Published: 1 March 2011
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