Table 1. Generalised Linear Model summary for the effect of temperature on upper (ULT) and lower lethal temperature (LLT) limits of Heterorhabditis zealandica and Steinernema yirgalemense.

	Effect	df	Estimate	SE	z	P
LLT H. zealandicaa	Intercept	1	4.94	0.58	8.58	<0.001
	Temperature	1	0.51	0.64	7.94	<0.001
S. yirgalemense b	Intercept	1	4.35	0.75	5.81	<0.001
	Temperature	1	2.25	0.34	6.56	<0.001
ULT H. zealandicac	Intercept	1	51.13	6.65	7.69	<0.001
	Temperature	1	−1.39	0.18	−7.7	<0.001
S. yirgalemense d	Intercept	1	37.22	8.02	4.64	<0.001
	Temperature	1	−0.91	0.2	−4.63	<0.001

Notes.

^aresidual deviance = 45.51, df = 60.

^bresidual deviance = 52.66, df = 48.

^cresidual deviance = 31.26, df = 35.

^dresidual deviance = 23.76, df = 38.