Bradley TJ, Briscoe AD, Brady SG, Contreras HL, Danforth BN, Dudley R, Grimaldi D, Harrison JF, Kaiser JA, Merlin C, Reppert SM, Vandenbrooks JM, Yanoviak SP. Episodes in insect evolution. Integr Comp Biol. 2009 Nov; 49(5):590-606.