Table 2.

Generalized linear mixed models (GLMM^a) for explaining geographical trends in prevalence of puparia of three parasitic fly species in the nests (n = 236) of Ficedula hypoleuca

	O. chloropus			O. avicularia			P. azurea
	β ± SE	F df	P	β ± SE	F df	P	β ± SE	F df	P
Intercept	−2.57 ± 0.85			29.7 ± 12.2			−0.422 ± 0.44
Latitude (°N)	−0.0153 ± 0.23	0.00 1,12.0	0.95	−0.517 ± 0.20	6.61 1,23.8	0.017	−0.167 ± 0.24	0.50 1,15.0	0.49
Longitude (°E)	0.237 ± 0.18	1.81 1,20.3	0.19	0.190 ± 0.35	0.30 1,22.9	0.59	0.200 ± 0.17	1.33 1,18.9	0.26
Log distance from the coast (km)	2.63 ± 0.67	15.2 1,26.6	0.0006	−0.432 ± 0.34	1.63 1,15.2	0.22	−0.558 ± 0.35	2.48 1,16.1	0.13

Reduced models are shown in bold

^aGLMM with binary error distribution, logit link function, and location (n = 21) as a random factor