“…Consistent with our findings, reference genes involving ribosomal protein genes have been selected frequently for expression analysis in various insects during the last 10 years ( Zhang et al, 2022 ; Shen et al, 2022 ). They are selected as reference genes in Coleopterans Ips sexdentatus ( RPS3 ) ( Sellamuthu et al, 2021 ), Tribolium castaneum ( RPS6 , RPL13a , RPS3 and RPL18 ) ( Toutges et al, 2010 ), L. decemlineata ( RP18 and RP4 ) ( Shi et al, 2013 ), H. vigintioctopunctata ( RPL13 and RPS18 ) ( Lü et al, 2018 ), H. vigintioctomaculata ( RPS18 and RPL13 ) ( Zhang et al, 2022 ) and P. brassicae ( RPL32 and RPL19 ) ( Ma et al, 2021 ), Lepidopteran species Helicoverpa armigera ( RPS15 and RPL27 ) ( Zhang et al, 2015 ), Plutella xylostella ( RPS13 and RPS23 ) ( Fu et al, 2013 ) and P. operculella ( RPL13 ) ( Shen et al, 2022 ), Thysanopterans Frankliniella occidentalis ( RPL32 ) ( Zheng et al, 2014 ), Dipterans Chlorops oryzae ( RPS15 ) ( Tian et al, 2019 ) and A. aphidimyza ( RPL8 and RPS3 ) ( Shen et al, 2023 ), Hymenopterans such as Apis mellifera ( RPS5 and RPS18 ) ( Jeon et al, 2020 ) and Anastatus japonicus Ashmead ( RPL13 and RPS6 ) ( Liu et al, 2022 ), Hemipterans N. lugens ( RPL5 , RPS8 and RPL14 ) ( Zhang et al, 2022 ), Aphis glycines ( RPS9 ) ( Bansal et al, 2012 ), Dichelops melacanthus ( RPL9 and RPS23 ) ( Pinheiro et al, 2020 ), Diaphorina citri ( RPL7 ) ( Bassan et al, 2017 ) and Rhopalosiphum padi ( RPL13 , RPS6 and RPS18 ) ( Li et al, 2021 ), and Orthopteran Locusta migratoria ( RPL32 ) ( Yang et al, 2014 ), as well as Acari Brevipalpus yothersi ( RPL13 and RPL32 ) ( Rogerio et al, 2019 ).…”