Table 4. Analysis of molecular variance (AMOVA) for biotype B and biotype Q populations of B. tabaci.

	Source of variation	Sum of squares	Variance components	Percentage variation
Biotype B	Among geographical groups	7.577	0.018	0.576%
	Among localities within groups	13.663	0.004	0.141%
	Among populations within localities	81.308	0.339	11.042%
	Within populations	84.000	2.710	88.241%
	Total	186.548	3.071	100.000%
Biotype Q	Among geographical groups	6.542	0.084	2.647%
	Among localities within groups	11.289	0.065	2.063%
	Among populations within localities	73.508	0.169	5.334%
	Within populations	80.000	2.857	89.956%
	Total	171.339	3.176	100.000%