Table 1.

The effects of focal treatment (naive or wounded), cohabitant treatment (naive or wounded) and time of cohabitation (6, 12 or 18 h) on PO activity of focal beetles. p-values less than 0.05 are in italic type.

tested effect	d.f.	F-ratio	p-value
focal treatment	1,36.22	1.042	0.314
cohabitant treatment	1,36.22	9.917	0.003
time	2,36.22	0.120	0.896
focal treatment × cohabitant treatment	1,36.22	11.83	0.002
focal treatment × time	2,36.22	2.861	0.070
cohabitant treatment × time	2,36.22	1.555	0.225
focal treatment × cohabitant treatment × time	2,36.22	1.200	0.313