Table 1. BUSTED tests for diversifying selection among aphid ldcA and amiD gene families (18 and 9 protein sequences, respectively).

gene family	test group	test group size	p-value
ldcA	all genes, all species	18	0.001
ldcA	tribe Macrosiphini	6	0.499
ldcA	tribe Aphidini	6	0.000
ldcA	subfamily Hormaphidinae	1	0.104
ldcA	symbionts without PGN	3	0.148
ldcA	genes with duplications	8	0.193
amiD	all genes, all species	9	0.071
amiD	genes with duplications	2	0.057