Table 1. Results of the regression analysis using GLM between abdominal pumping and three explanatory variables: T_abdomen, T_thorax and T_ambient.

		Estimate	SE	W	P
Both species	Intercept	−4.95	0.63	61.09	<0.0001
	Tabdomen	0.17	0.04	17.91	<0.0001
	Tambient	−0.04	0.02	4.45	0.0349
	Tthorax	0.06	0.02	4.13	0.0420
	Scale	0.57	0.04	152.00	<0.0001
Scarabaeus sacer	Intercept	−1.56	0.93	2.81	0.0938
	Tabdomen	0.05	0.06	1.01	0.4021
	Tambient	−0.006	0.01	0.25	0.6200
	Tthorax	0.03	0.03	0.72	0.40
	Scale	0.22	0.02	76.00	<0.0001
Scarabaeus cicatricosus	Intercept	0.79	0.74	1.13	0.2870
	Tabdomen	0.03	0.03	0.86	0.3538
	Tambient	−0.03	0.02	3.18	0.0746
	Tthorax	0.01	0.02	0.37	0.5436
	Scale	0.39	0.04	76.00	<0.0001

SE: Standard Error.

W: Wald Statistic.