290 THE GARDEN UNDER GLASS
Begonxa Mite.—Will be found troublesome by those who grow these beautiful plants in quantity. By far the best course to adopt where only a few plants are grown is to throw away the plants and get fresh ones in. Other-
Diagram 56.——Begoniæ Mite: æ, larva; b^ perfect mite (highly magnified); c, leaf of begonia attacked.
wise the leaves may be sponged with Gishurst compound and be frequently dusted with sulphur. Almost any in-secticide containing sulphur will be useful against this minute but destructive pest.
Cattleya Fly.—Those who grow a number of orchids will perhaps find this pest troublesome. There are two