[Objective] To explore differences of life table parameters among Rhopalosiphum maidis( Fitch),Rhopalosiphum padi( Linnaeus)and Sitobion avenae( Fabricius) on Hordeum vulgare L..[Method]Compared the three aphids on the growth,development and population dynamics on Hordeum vulgare L. under( 23 ± 1) ℃ in climatic laboratory.[Result] There were no significantly differences on development duration of nymphae( 7. 63- 8. 50 d),adult longevities( 11. 23- 13. 89 d) and survival rates of the three aphids. The surviv...