Speight, M.R., & Nicol, M. 1984 Horse chestnut scale - a new urban menace?. New Scientist. London 101: 40-42.
Notes: Pulvinaria regalis; life-cycle; economic importance; host and distribution; natural enemies.
Speight, M.R., & Nicol, M. 1984 Horse chestnut scale - a new urban menace?. New Scientist. London 101: 40-42.
Notes: Pulvinaria regalis; life-cycle; economic importance; host and distribution; natural enemies.