Ampeloviruses and Closteroviruses have monopartite genomes .
Ampeloviruses and Closteroviruses are transmitted by pseudococcid mealybugs ( and soft scale insects ) and aphids respectively .
Ampeloviruses and Closteroviruses have monopartite genomes and are transmitted by pseudococcid mealybugs ( and soft scale insects ) and aphids respectively .