Table 2. Molecular variances for the PepCK and Wg genes.

Species	Flight muscle	No. of localities	No. of samples	Total variance	Percentage of variance		P for Va
					Among populations	Within populations
PepCK
Ds	Present	24	74	1.35	−5.6	105.6	0.68
Os	Present	11	44	0.02	−24.8	124.8	0.70
On	Present	15	58	0.28	10.5	89.5	0.29
Nl	Present	7	21	0.06	4.5	95.5	0.50
Nb	Present	13	37	0.00	0.0	0.0	1.00
Nj	Dimorphic	44	218	0.32	29.6	70.4	<0.001
Sl	Absent	26	143	0.61	86.3	13.7	<0.001
Sp	Absent	21	100	0.02	−7.9	107.9	0.40
Wg
Ds	Present	23	72	0.16	14.0	86.0	0.20
Os	Present	10	39	0.12	−20.8	120.8	0.86
On	Present	15	55	0.25	18.6	81.4	0.12
Nl	Present	7	20	0.00	0.0	0.0	1.00
Nb	Present	14	37	0.00	0.0	0.0	1.00
Nj	Dimorphic	44	185	0.24	21.8	78.2	<0.001
Sl	Absent	26	129	1.15	90.8	9.2	<0.001
Sp	Absent	19	83	0.36	52.8	47.2	<0.001

Abbreviations: Ds, Dendroxena sexcarinata; Os, Oiceoptoma subrufum; On, O. nigropunctatum; Nl, Necrodes littoralis; Nb, Necrophila brunnicollis; Nj, N. japonica; Sl, Silpha longicornis; Sp, S. perforata; V_a, variance among populations.

Significant P values for V_a are in bold.