Pests & Ailments MENU TOGGLEMENU TOGGLECommon Orchid Pests AphidsFungus Gnats Mealy BugsScale Spider MitesThrips Pesticides Biological Controls of Orchid PestsPesticide Use Chemical Selection for Pests and DiseasesKnowing When to Treat (and when NOT to)Pesticide Selection Guide Commercial Pesticide GuideHome Remedies Diseases & Ailments Bud BlastRescue Plants with No Roots Root Rot – Causes & CuresOrchid Plants Losing Lower Leaves Edema Additional Guide to Pests, Diseases