Warren G. Abrahamson, C.P. Blair, J.A. Jackman and L. Tyrrell. "Cryptic speciation and host-race formation in a purportedly generalist tumbling flower beetleCryptic speciation and host-race formation in a purportedly generalist tumbling flower beetle" Evolution Vol. 59 (2005)
Available at: http://works.bepress.com/warren_abrahamson/31/