Molecular systematics and evolution of the Ptinidae (Coleoptera: Bostrichoidea) and related families

The Ptinidae (Coleoptera: Bostrichoidea) are a cosmopolitan, ecologically diverse, but poorly known group of Coleoptera and, excluding a few economic pests, species are rarely encountered. This first broad phylogenetic study of the Ptinidae s.l. (i.e. including both the spider beetles and anobiids)...

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Bibliographic Details
Published in:Zoological journal of the Linnean Society 2012-05, Vol.165 (1), p.88-108
Main Authors: BELL, KAREN LEANNE, PHILIPS, T. KEITH
Format: Article
Language:English
Subjects:
16S
28S
Anobiidae
Araneae
Bayesian
Bayesian analysis
Bostrichidae
Bostrichoidea
COI
Coleoptera
Data processing
Dermestidae
DNA sequence alignment
Economics
Evolution
Mitochondria
Nucleotide sequence
parsimony
Pests
Phylogeny
powder-post beetle
Ptinidae
Ptininae
spider beetle
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Summary:The Ptinidae (Coleoptera: Bostrichoidea) are a cosmopolitan, ecologically diverse, but poorly known group of Coleoptera and, excluding a few economic pests, species are rarely encountered. This first broad phylogenetic study of the Ptinidae s.l. (i.e. including both the spider beetles and anobiids) examines relationships based on DNA sequence data from two mitochondrial genes (16S and COI) and one nuclear gene (28S), using out‐group taxa from both the Bostrichidae and Dermestidae. Topologies varied depending on the genes used and whether data were analysed with either parsimony or Bayesian methods. Generally the two mitochondrial genes supported relationships near the tips of the phylogeny, whereas the nuclear gene supported the basal relationships. The monophyly of the Ptinidae was not inferred by all of the gene combinations and analysis methods, although the combined Ptinidae and Bostrichidae have a single origin in all cases. Alternative relationships include the Ptinidae s.s. (i.e. Ptininae and Gibbiinae) as sister to the anobiids (i.e. the nine remaining subfamilies of Ptinidae s.l.) + Bostrichidae, or the Bostrichidae as sister to the Ptinidae s.s.+ anobiids. Most of the larger subfamilies within the Ptinidae are not monophyletic. Further analysis with more taxa and more genes will be required to clarify and decide upon the best hypothesis of relationships found within the clades of the Bostrichidae and Ptinidae. © 2012 The Linnean Society of London, Zoological Journal of the Linnean Society, 2012, 165, 88–108.
ISSN:0024-4082
1096-3642
DOI:10.1111/j.1096-3642.2011.00792.x