Evolutionary lability of a complex life cycle in the aphid genus Brachycaudus

Table 3 Summary statistics for simulated character histories obtained with SIMMAP: estimated number of transitions from one state to another for life cycle are given: state 0 (monoecious life cycle on herbs); state 1 (heteroecious); state 2 (monoecious on woody host), and for feeding diet state 0 (specialist diet); state 1 (generalist).

	Number of transitions	0 = > 1	0 = > 2	1 = > 0	1 = > 2	2 = > 0	2 = > 1
Life cycle A	9.26	5.82	0.46	1.83	0.65	0.04	0.45
Life cycle B	9.75	3.95	3.26	0.67	0.78	0.12	0.97
Diet		0 = > 1	1 = > 0
	5.73	5.34	0.33		-	-	-

Different prior distributions for the rates of evolution were tested: we show results corresponding to the same priors than Table 2. A: facultative heteroecious species considered as heteroecious; B: facultative heteroecious species considered as monoecious on trees.

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