www.biomedcentral.com

Table 3
Pair-wise squared Mahalanobis distances between the chemical profile of **Varroa-parasitized and control bees**
Treatment	*Varroa*98	Control120	**Varroa120**	Control231	**Varroa231**
Control98	17.46	18.02	28.31	9.61	6.2
Control98	P < 0.001	P < 0.001	P < 0.001	P = 0.0015	P = 0.038
Varroa98		12.38	18.19	6.4	17.07
Varroa98		P = 0.0012	P < 0.001	P = 0.032	P < 0.001
Control120			9.09	8.34	17.7
Control120			P = 0.0025	P = 0.005	P < 0.001
Varroa120				16.68	17.8
Varroa120				P < 0.001	P < 0.001
Control231					9.72
					P = 0.0014

P-values that are significant at the 5% probability after Bonferroni's correction (P < 0.0083) are indicated in bold. The numbers 98, 120 and 231 indicate the colony origin of the bees.

McDonnell et al.

McDonnell et al. BMC Ecology 2013 13:25 doi:10.1186/1472-6785-13-25

Table 3