Table 2.

Haplotype frequencies and the haplotype ratios for different locations

				CS haplotype frequency
Overwintering group1	State/region	Year	Total	h1	h2	h3	h4	h4/h2	[G/A]1164	%Δ2
TX-group	TX[M]3
(h4/h2 <0.6)	AL central	2005–2007	299	0.11	0.59	0.01	0.30	0.11	0.4	−14
	AL north	2006	68	0.10	0.60	0.04	0.25	0.10	0.4	0
	IA	2008–2009	90	0.16	0.71	0.00	0.13	0.16	0.2	−18
	IL	2008	63	0.11	0.68	0.00	0.21	0.11	0.3	−14
	IN	2008, 2011	121	0.13	0.69	0.00	0.17	0.13	0.2	−16
	KS	2008	32	0.19	0.72	0.00	0.09	0.19	0.1	−21
	KY	2008	29	0.10	0.69	0.00	0.21	0.10	0.3	−13
	LA	2007, 2009	42	0.05	0.88	0.00	0.07	0.05	0.1	−5
	MN	2011	27	0.07	0.70	0.00	0.22	0.07	0.3	−10
	MS	2004–2005	205	0.12	0.63	0.00	0.24	0.12	0.3	−16
	MS	2007–2008	62	0.21	0.50	0.02	0.27	0.21	0.4	−25
	NE	2011	83	0.11	0.72	0.00	0.17	0.11	0.2	−13
	OK	2006	68	0.18	0.69	0.00	0.13	0.18	0.2	−20
	PA	2001, 2006–2007	278	0.17	0.67	0.00	0.16	0.17	0.2	−20
	PA	2010	26	0.19	0.58	0.00	0.23	0.19	0.3	−25
	TN	2008	41	0.07	0.63	0.02	0.27	0.07	0.4	−2
	TX central	2004	141	0.16	0.72	0.00	0.12	0.16	0.1	−19
	TX central	2006–2007	41	0.15	0.68	0.00	0.17	0.15	0.2	−18
	TX[O]3
	TX south	2006	58	0.10	0.66	0.03	0.21	0.3	0.3	1
	TX south	2007	62	0.10	0.82	0.00	0.08	0.1	0.1	−11
	TX south	2008	40	0.10	0.68	0.00	0.23	0.3	0.3	−13
	TX south	2011	63	0.08	0.65	0.00	0.27	0.4	0.4	−11
	Mexico	2006–2007	72	0.14	0.78	0.00	0.08	0.1	0.1	−15
	Mexico	2008	21	0.00	1.00	0.00	0.00	0.0	0.0	0
Intermediate	NJ	2008	156	0.04	0.54	0.01	0.41	0.8	0.7	−6
(h4/h2 = 0.6–1.3)	NY	2011	44	0.11	0.43	0.00	0.45	1.1	0.8	−21
	GA north	2007	97	0.13	0.48	0.00	0.38	0.8	0.6	−22
	AL south	2007	189	0.05	0.48	0.01	0.47	1.0	0.9	−7
FL-group	FL[M]3
(h4/h2 >1.3)	FL north	2005	98	0.03	0.27	0.02	0.68	2.6	2.4	−8
	FL north	2006	60	0.07	0.27	0.00	0.67	2.5	2.0	−20
	FL north	2007	32	0.00	0.41	0.00	0.59	1.5	1.5	0
	FL north	2008	31	0.10	0.23	0.00	0.68	3.0	2.1	−30
	FL central	2011	37	0.05	0.14	0.00	0.81	6.0	4.3	−29
	GA central	2007	131	0.14	0.34	0.01	0.52	1.6	1.1	−28
	GA south	2007	127	0.07	0.30	0.02	0.61	2.1	1.7	−17
	MD	2008	21	0.05	0.38	0.05	0.52	1.4	1.3	−3
	SC	2011	71	0.04	0.27	0.00	0.69	2.6	2.2	−14
	NC	2004–2008	157	0.09	0.38	0.01	0.53	1.4	1.2	−18
	VA	2008	73	0.15	0.33	0.03	0.49	1.5	1.1	−28
	FL[O]3
	FL south	2004	56	0.13	0.09	0.02	0.77	8.6	3.7	−57
	FL south	2005	57	0.11	0.26	0.00	0.63	2.4	1.7	−29
	FL south	2006	65	0.03	0.12	0.00	0.85	6.9	5.5	−20
	FL south	2007	44	0.02	0.25	0.02	0.70	2.8	2.7	−5

¹Overwintering source inferred from the h4/h2 ratio.

²%Δ, percent change between h4/h2 (A) ratio and [G/A]₁₁₆₄ (B) ratio as calculated by (B – A)/A × 100.

³[M] and [O] refers to migratory and overwintering populations, respectively (see text).