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Table 3
- Genetic variation in the invasive avian parasite, Philornis downsi (Diptera, Muscidae) on the Galápagos archipelago

*Genetic variation at the eight microsatellite loci for the two P. downsi* populations inferred from cluster analysis in GENELAND.**
	Santa Cruz and Isabela			Floreana

Locus	A	H_o/H_e	Fis	A	Ho/He	Fis

Pd1	4.0	0.63/0.71	0.038	4.0	0.71/0.71	0.091
Pd2	3.0	0.46/0.57	0.114	3.0	0.68/0.66	0.091
Pd4	4.0	0.67/0.69	0.105	3.0	0.64/0.67	0.037
Pd6	5.0	0.68/0.72	0.090	4.0	0.73/0.72	-0.012
Pd7	3.0	0.56/0.67	0.131	3.0	0.73/0.66	0.037
Pd8	4.0	0.48/0.55	0.023	4.0	0.61/0.52	0.034
Pd9	3.0	0.67/0.64	-0.083	3.0	0.68/0.61	-0.094
Pd10	3.0	0.57/0.61	0.186	3.0	0.68/0.59	-0.154
Mulitlocus	3.6	0.59/0.65	0.074	3.6	0.67/0.65	0.005

Sample size is 62 for the Santa Cruz and Isabela cluster and 76 for the Floreana cluster for all loci. A: allelic richness (estimated for a sample size of 75 individuals); Ho:observed heterozygosity; He: expected heterozygosity; Fis (inbreeding coefficients) were calculated after Weir and Cockerham [40]. None of the loci had a significant heterozygote deficiency or excess after sequential Bonferroni correction.

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