Title: Biological control of the citrus blackfly  by Prospaltella opulenta Silv. In central-western Venezuela
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF020724436&ix=pm&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF020724436&ix=pm&I=0&V=D&pm=1</a>
Subjects: Citrus black fly--Biological control, Citrus black fly--Venezuela.