REGULAR ARTICLES

• The Molecular Phylogenetics of Allodapine bees, with Implications for the Evolution of Sociality and Progressive Rearing – Michael P. Schwarz, Nicholas J. Bull and Steven J. B. Cooper
  
  
• Partitioned Likelihood Support and the Evaluation of Data Set Conflict – M. S. Y. Lee and A. F. Hugall
  
  
• Phylogeny of Eusocial Lasioglossum Reveals Multiple Losses of Eusociality Within a Primitively Eusocial Clade of Bees (Hymenoptera: Halictidae) – Bryan N. Danforth, Lindsay Conway, and Shuqing Ji
  
  
• When do Parasites Fail to Speciate in Response to Host Speciation? – Kevin P. Johnson, Richard J. Adams, Roderic D. M. Page, and Dale H. Clayton
  
  
• Testing a Molecular Clock Without an Outgroup: Derivations of Induced Priors on Branch Length Restrictions in a Bayesian Framework – Marc A. Suchard, Robert E. Weiss and Janet S. Sinsheimer
  
  
• Assessing Progress in Systematics with Continuous Jackknife Function Analysis – Jeremy A. Miller
  Miller appendix 1
  
  
• Computing the Uniform Component of Shape Variation – F. James Rohlf and Fred L. Bookstein
  
  
• Speciation on a Conveyor Belt: Sequential Colonization of the Hawaiian Islands by Orsonwelles Spiders (Araneae, Linyphiidae) – Gustavo Hormiga Miquel Arnedo and Rosemary G. Gillespie
  
  
• Molecular Systematics and Adaptive Radiation of Hawaii's Endemic Damselfly Genus Megalagrion (Odonata: Coenagrionidae) – Steve Jordan, Chris Simon and Dan Polhemus
  
  
• The Combinatorics of Tandem Duplication Trees – Olivier Gascuel, Michael D. Hendy, Alain Jean-Marie and Robert McLachlan
  
  

POINTS OF VIEW

• Taxon Sampling, Bioinformatics, and Phylogenomics – Michael S. Rosenberg and Sudhir Kumar
  
  
• Is Sparse Taxon Sampling a Problem for Phylogenetic Inference? – David M. Hillis, David D. Pollock, Jimmy A. McGuire, and Derrick J. Zwickl
  
  
• Branch Lengths and Support – Mark Wilkinson, Francois-Joseph Lapointe and David J. Gower