Table 2. Stability of reference gene expression across biotic conditions.

Biotic conditions	Reference genes	geNorm		Normfinder		BestKeeper		△Ct
		Stability	Rank	Stability	Rank	Stability	Rank	Stability	Rank
Developmental Stage	ACTIN	1.309	7	2.340	8	1.339	7	2.577	8
	EF1A	0.710	5	0.099	1	0.910	1	1.209	1
	GAPDH	1.619	8	2.506	9	1.981	8	2.705	9
	RPL10	0.503	2	0.806	6	1.160	6	1.333	6
	RPL18	0.390	1	0.791	5	1.160	6	1.287	4
	RPL28	0.390	1	0.784	4	1.083	5	1.291	5
	RPS13	0.681	4	0.571	2	0.953	2	1.268	2
	RPS15	0.634	3	0.622	3	0.999	3	1.275	3
	SOD	0.918	6	1.010	7	1.020	4	1.632	7
Tissue	ACTIN	0.624	6	0.587	7	0.745	6	0.858	7
	EF1A	0.513	3	0.499	4	0.666	4	0.778	5
	GAPDH	0.851	8	1.223	9	1.109	9	1.325	9
	RPL10	0.533	4	0.507	5	0.730	5	0.768	4
	RPL18	0.343	1	0.415	3	0.558	1	0.713	3
	RPL28	0.471	2	0.316	1	0.582	2	0.711	2
	RPS13	0.343	1	0.404	2	0.620	3	0.704	1
	RPS15	0.557	5	0.547	6	0.808	7	0.798	6
	SOD	0.715	7	0.790	8	0.848	8	1.001	8
Sex	ACTIN	0.159	2	0.221	3	0.127	3	0.399	3
	EF1A	0.251	3	0.250	4	0.246	4	0.427	4
	GAPDH	0.429	7	0.484	8	0.455	8	0.568	7
	RPL10	0.395	6	0.428	7	0.493	9	0.532	6
	RPL18	0.103	1	0.117	1	0.043	1	0.357	1
	RPL28	0.103	1	0.181	2	0.071	2	0.377	2
	RPS13	0.467	8	0.526	9	0.420	7	0.600	8
	RPS15	0.320	4	0.334	6	0.402	6	0.471	5
	SOD	0.362	5	0.331	5	0.279	5	0.471	5