Table 1.

Strength of the relationship between the simulated values of butterfly density and their emigration propensity, drawn 10,000 times according to the likelihood distributions of the estimates of the Jolly–Seber model and the virtual migration model, respectively

Species	Group	Linear regression	Exponential regression
M. nausithous	All individuals	0.9673	0.9910
	Females	0.8089	0.8084
	Males	0.5896	0.5745
M. teleius	All individuals	0.8805	0.9711
	Females	0.7445	0.7292
	Males	0.5860	0.5882

The figures represent the proportion of cases in which the relationship reached a statistically significant level (P < 0.05)