Quayle, H.J. 1912 The purple scale Lepidosaphes beckii Newm.. Bulletin of the California Agricultural Experiment Station 226: 319-340.
Notes: Food plants, description, life history, enemies.
Quayle, H.J. 1912 The purple scale Lepidosaphes beckii Newm.. Bulletin of the California Agricultural Experiment Station 226: 319-340.
Notes: Food plants, description, life history, enemies.