Pieris japonica, the Japanese andromeda or Japanese pieris, is a species of flowering plant in the heath family Ericaceae. It is native to eastern China, Taiwan, and Japan, where it grows in mountain thickets. This medium-sized evergreen shrub or tree is widely cultivated in gardens.

Diseases Affecting Japanese Pieris

Phytophthora Root Rot and Crown Dieback
Fungus-like organisms belonging to the genus Phytophthora are soil- or plant-borne and all are plant pathogens.
Affected Species:

Botryosphaeria Canker
The fungus Botryosphaeria can cause a branch dieback on many woody ornamentals. Cankers girdle and kill twigs and branches of species such as horsechestnut, redbud, dogwood, beech, walnut, tulip poplar, sweetgum, crabapple, pine, oak, rhododendron, azalea, rose, willow, elm, and yew. Small black fungal fruiting structures which contain fungal spores develop in the canker.
Affected Species:
Insects Affecting Japanese Pieris

Japanese Mealybug
This species was intercepted 131 times at U. S. ports-of-entry between 1995 and 2012, with specimens originating from Brazil, China,…
Affected Species:

Southern Red Mite
The female adult is about 0.38 mm long and resembles a small spider.
Affected Species:

Azalea Bark Scale
The adult female azalea bark scale is dark red with short legs and antennae and long, sucking mouth-parts.
Affected Species:

Andromeda Lace Bug
Lace bugs are exclusively plant feeders, and while more species occur on herbaceous plants, the most common species occur on the foliage of trees and shrubs.
Affected Species:
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