sentences:  They concluded that these sighting were consistent with previous studies which suggested that "S. citri cells" are taken up by beet leafhopper cells by endocytosis.The beet leafhopper is the lone insect vector of the beet curly top virus (BCTV) which causes disease in many important crops like beans, sugar beet, cantaloupe, cucumber, peppers, spinach, squash, tomato, watermelon and other important plants.The beet leafhopper is also responsible for transmission of two other strains of the "Beet curly top virus", which according to literature are now considered separate species.