. 2007 Dec 18;275(1634):565–570. doi: 10.1098/rspb.2007.1478

Table 2.

Response of symbiosis in A. fabae clone 13 to dietary amino acid concentration over 8 days of larval development. (Values of mean±s.e. (10 replicates) are shown; values in one column with the same superscript letter are not significantly different by Tukey's post hoc test (p>0.05).)

dietary amino acids (mM)	aphid weight (mg)	density of bacteria (10⁷×number of bacteria mg⁻¹ fresh weight)

		B. aphidicola	R. insecticola
150	0.56±0.016^a	2.28±0.096	0.10±0.007^a
100	0.33±0.025^b	2.49±0.136	0.13±0.008^a
50	0.19±0.015^c	2.27±0.146	0.14±0.010^a
25	0.13±0.004^d	2.53±0.072	0.29±0.023^b
ANOVA: F_3,36	126.9, p<0.001	1.4, p>0.05	36.6, p<0.001