TABLE 2.

PERMDISP (fourth-root transformed and presence/absence data; dataset A) testing differences in the microbiome profiles (401 bacterial genera considered) of five fruit fly species (B. dorsalis, Z. cucurbitae, B. oleae, C. capitata, C. quilicii) sampled from four different host plants.

	df	MS	F	p
Fourth-root transformed data
FFSp	4	1555.209	6.668	0.004	**
Ho(FFSp)	15	233.240	6.179	0.000	***
Residual	40	37.745
Total	59
Presence/Absence-data
FFSp	4	749.530	7.637	0.003	**
Ho(FFSp)	15	98.143	1.822	0.045	**
Residual	40	53.860
Total	59
Average within-group dissimilarities	Fourth-root transformed data		Presence/Absence-data
B. dorsalis	63.213		65.326
Z. cucurbitae	79.797		51.782
B. oleae	14.186		66.527
C. capitata	83.920		65.283
C. quilicii	82.305		69.623

***p < 0.001, **p < 0.01, n.s. p > 0.05.