J.  Heraty, Ronquist, F., Carpenter, J. M., Hawks, D., Schulmeister, S., Dowling, A. P. G., Murray, D., Munro, J., Wheeler, W. C., Schiff, N., and Sharkey, M. J., ?Evolution of the hymenopteran megaradiation.?, Molecular Phylogenetics and Evolution, vol. 60 (1), pp. 73-88, 2011.