| field ecology of spiroplasma citri in western north america. | spiroplasma citri naturally infects plants representing several dicotyledonous families in the southwestern u.s., where it is commonly found in old world brassicaceous weeds and cole crop plants as well as in citrus. of its leafhopper vectors, it is most frequently found in circulifer tenellus (baker). it is rarely found in field-collected scaphytopius nitridus (delong), one of two species of scaphytopius capable of transmission from plants in the laboratory. spiroplasmas presumed to be s. citri ... | 1984 | 6392182 |