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Table 6 Isolation indices for different barriers between Nasonia vitripennis wasps from different strains but same microhabitat, and wasps from different strains and different microhabitats

From: The emergence of ecotypes in a parasitoid wasp: a case of incipient sympatric speciation in Hymenoptera?

Origin of couples Barrier
Ecological Sexual Postmating Total
Same strains vs. diff. strains from the same ms-clusters (k = 3) 0 0.075* 0.054 0.128
Same strains vs. diff. strains from the same ms-clusters (k = 5) 0 0.12* 0.217* 0.328
Same strains vs. diff. strains from the same microhabitat 0 0.033 0.262* 0.259
Diff. strains within the same ms-cluster (k = 3) vs. strains from diff. clusters 0 − 0.048 0.302* 0.258
Diff. strains within the same ms-cluster (k = 5) vs. strains from diff. clusters 0 − 0.093 0.132* 0.039
Diff. strains within the same habitat vs. strains from strains from diff. habitats 0.458* 0.006 0.084 0.525
  1. Data were calculated according to Sobel and Chen [139] using olfactometer data for ecological isolation, data on the occurrence of copulations for sexual isolation, and data on the number of F1-female offspring for postmating isolation. Significant barriers are in bold