Table 1.

Cox1 variation among and within clusters (figures 1 and 2) measured with AMOVA (Excoffier et al. 1994).

	source of variation
	among clusters			within clusters
	df	Var	% variation	df	var	% variation
Canthon	9	1632.451	95.69*	40	68.089	4.31
water beetles	14	3130.381	97.49*	56	68.400	2.51

*p<0.001.