Table 2. Stability of reference genes in different developmental stages and insect tissues.

Condition	Rank	Δ Ct		BestKeeper		NormFinder		geNorm
		Gene	stability value	Gene	stability value	Gene	Stability value	Gene	Stability value
Dev. stage	1.00	ACT	1.29	TUB	0.43	18S	0.46	ACT	0.53
	2.00	RPS13	1.30	ACT	0.73	RPS13	0.46	EF-1α	0.53
	3.00	EF1-α	1.31	RPS13	0.82	ACT	0.48	TUB	0.75
	4.00	18S	1.31	GAPDH	0.83	EF1-α	0.53	RPS13	0.98
	5.00	TUB	1.42	18S	0.84	TUB	0.67	18S	1.07
	6.00	RPS7	1.73	EF-1α	1.10	RPL32	1.11	RPS7	1.28
	7.00	RPL32	1.80	RPL32	1.38	GAPDH	1.19	RPL32	1.38
	8.00	GAPDH	1.91	RPS7	1.67	GAPDH	1.18	GAPDH	1.51
Tissues	1.00	TUB	1.21	TUB	0.17	RPS13	0.25	TUB	0.22
	2.00	RPS13	1.21	EF1-α	0.22	TUB	0.58	EF1-α	0.22
	3.00	EF1-α	1.26	GAPDH	0.54	ACT	0.66	RPS13	0.81
	4.00	ACT	1.31	RPS7	0.75	EF1-α	0.72	ACT	0.90
	5.00	18S	1.45	RPS13	0.80	18S	0.97	18S	0.97
	6.00	RPS7	1.63	ACT	1.04	RPS7	1.32	RPS7	1.14
	7.00	GAPDH	1.73	18S	1.06	GAPDH	1.54	GAPDH	1.23
	8.00	RPS32	2.41	RPL32	2.11	RPS32	2.31	RPS32	1.53