Table 2. Primer sequences and amplicon characteristics of candidate reference genes for qRT-PCR studies in brown marmorated stink bug.

Gene symbol	Primer sequences	Amplicon Length (bp)	Product Tm (°C)	Amplification efficiency E (%)	Correlation coefficient (R2)
RPS26	CCTACCAAAGCCTTCTGAATATACCGTAATTGCCATAAGAG	79	79.0	94.98	0.92
EF1A	GCTGATTGTGCTGTGTTAACGAGTCTGTCCATTCTT	78	79.0	104.47	0.99
FAU	GGAACTGTGAGGTCAAGATTAGCAGCATCAGGAACT	80	76.5	85.58	0.98
UBE4A	CGACCATCCTTAGAGACAGATTACTGCCATGCTCAA	183	78.5	98.39	0.96
ARL2	AGTTCTCGTGACTAATCGCTTGAATACCTGTCCAGTA	127	76.5	86.31	0.92
ARP8	CCAACAATCAGCGAAGGTATGAGCAACTACTTCAGGAATAACTCT	80	76.5	103.42	0.95
GUS	ATCGTATCAGCACCGTATTTGAAGCAGAAGCAGAAC	76	79.0	112.60	0.93
TBP	GTATATTGGTGGAAATGAAGATAAGTATCCAAGCAT	97	75.0	95.98	0.93
TIF6	CACGCATTGTTGTAGTAATGCTGGTATGGTAGTGAAT	130	78.5	82.66	0.92
RPL9	CGGAGACATAAAGACCATAAGGACGAACTTATTATTGAG	127	78.5	82.57	0.99