Most important agents of transmission are insects such as aphids or leafhoppers that feed on plantsVII. Viruses of Fungi and Algae F. Most viruses of higher fungi (mycoviruses) are dsRNA viruses that cause latent infections G. Viruses of lower fungi are dsRNA or dsDNA viruses that cause lysis of infected cells H. Algal viruses have been detected in electron micrographs, but have not been well stud