Table 1.

Mean pairwise genetic differences (%) among haplotypes within (on the diagonal) and between (below the diagonal) Arsapnia arapahoe and related or sympatric capniid stoneflies for two mitochondrial genes and one nuclear gene

Gene	Species	Arsapnia arapahoe	Arsapnia decepta (CO)	Arsapnia decepta (AZ)	Capnia gracilaria (CO)	Capnia gracilaria (OR)	Capnura wanica
COI	Arsapnia arapahoe	0.18
	Arsapnia decepta (CO)	0.31	0.56
	Arsapnia decepta (AZ)	0.80	1.11	0.53
	Capnia gracilaria (CO)	2.96	3.18	3.13	0.73
	Capnia gracilaria (OR)	2.84	3.06	3.02	1.74	0.18
	Capnura wanica	10.71	10.80	10.87	10.77	10.53	0.36
cyt b	Arsapnia arapahoe	0
	Arsapnia decepta (CO)	0.19	0.23
	Arsapnia decepta (AZ)	1.52	1.56	0.23
	Capnia gracilaria (CO)	5.14	5.18	5.43	0.70
	Capnia gracilaria (OR)	4.67	4.71	5.14	2.60	1.05
	Capnura wanica	13.79	13.67	14.14	15.60	15.25	1.17
ITS1	Arsapnia arapahoe	0.70
	Arsapnia decepta (CO)	0.26	0.09
	Arsapnia decepta (AZ)	0.53	0.40	0.53
	Capnia gracilaria (CO)	0.42	0.31	0.53	0
	Capnia gracilaria (OR)	0.79	0.70	0.79	0.79	0
	Capnura wanica	7.18	7.12	6.73	6.86	6.86	0