Essig, E.O. 1913b Insect notes.. Monthly Bulletin, California (State) Commission of Horticulture 2: 705.
Notes: Asterolecanium variolosum and Pseudococcus citri recorded.
Essig, E.O. 1913b Insect notes.. Monthly Bulletin, California (State) Commission of Horticulture 2: 705.
Notes: Asterolecanium variolosum and Pseudococcus citri recorded.