Celis, V.E.R. de Gassen, D.N. Jacques, S.M.C. Valente, V.L.S. Oliveira, A.K. <br/><br/>
Morphometric observations on three populations of Schizaphis graminum (Rondani)a main wheat aphid pest in Brazil 

<br/><br/><label>Subjects--Topical Terms: </label><br/>INSETO<br/>HOMOPTERO