1. Bidens mottle has a distinctive host range and makes typical potyvirus inclusions. 2. It shows promise as a biological pesticide with an extensive host range . 3. USUV's host range includes primarily " Culex " mosquitoes, birds, and humans. 4. The largest genera, Peronospora and Plasmopara, have a very wide host range . 5. It has a wide host range , parasitizing over 200 known plant species. 6. Some downy mildew genera have a more restricted host range , e . g. 7. Rabies virus, like many rhabdoviruses, has an extremely wide host range . 8. Adult flukes vary in host range and morphology dependent on the geographical location. 9. The three mites species have a broad host range and are widely distributed. 10. "Peronosclerospora sorghi " has a broad host range , particularly plants in the sorghum family.