If the red spider or the mealy bug attack them, they may be syringed with tobacco water.
mealy bug has a small, flat, tortoise-shaped body, from about one-sixteenth to one-eighth of an inch long.
Syringing with hot water has also been employed for vines affected with mildew, mealy bug, etc.
The Crotons make good window-garden subjects, although they are very liable to the attack of the mealy bug.
Plants that are badly infested with mealy bug should be syringed with the paraffin mixture once a day, for about a week.
mealy bug may be known by its mealy, floury, or cottony appearance.
All parts of plants are subject to mealy bug attack, and the insects are frequently attended by ants.
A blight, something similar to mealy bug, now and again appears on the roots of some of the varieties of Echinocactus and Cereus.