Molecular polymorphism, differentiation and introgression in the period gene between Lutzomyia intermedia and Lutzomyia whitmani

Table 1 Molecular polymorphism in the period gene of L. intermedia and L. whitmani

population	n	S	θ	π	D _T	D _FL	γ
L. intermedia
Posse	18	41	0.0251	0.0169	-1.3399^ns	-1.1798^ns	0.0594
Afonso Claudio	12	33	0.0225	0.0180	-0.9036^ns	-0.6843^ns	0.0187
Corte de Pedra	20	36	0.0209	0.0170	-0.7337^ns	-0.8379^ns	0.0099
Jacarepaguá	18	31	0.0191	0.0198	0.1347^ns	-0.0250^ns	0.0361
total	68	59	0.0266	0.0180	-1.0885^ns	-0.9514^ns	0.0353
L. whitmani
Posse	17	35	0.0225	0.0215	-0.1811^ns	-0.3380^ns	0.0479
Afonso Claudio	12	36	0.0252	0.0215	-0.6606^ns	-0.4393^ns	0.0038
Corte de Pedra	5	17	0.0178	0.0183	0.2216^ns	0.3069^ns	0.0128
Ilhéus	19	14	0.0082	0.0123	1.8035^ns	1.4992*	0.0195
total	53	50	0.0240	0.0183	-0.8154^ns	-1.5360^ns	0.0356

* p < 0.05; ns non-significant.
n, number of DNA sequences of each sample; S, number of polymorphic sites; θ, estimate of nucleotide diversity based on the total number of mutations; π, average heterozygosity based on the frequency of pairwise differences; D_T, Tajima's D [28]; D_FL, Fu & Li's D [29]; γ, estimator of recombination per base pair [30].

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