sentences:  These studies are important as factors like host preference may impact which species of plants the BCTV is transmitted to.It is also important to understand the complex interactions that take place between the beet leafhopper and non-host plants to understand how disease may be spread.Tests of settling behaviors showed that although the insects settled similarly on all plants in the beginning, the numbers of beet leafhoppers on bean and tomato plants declined significantly after a period of four hours.