21+ Azalea Leaf Scale

Azalea bark scale insects eriococcus azaleae comstock discovered in the united states in 1881 have earned a reputation as significant azalea pests. Some of the more common azalea plant pests include the following.

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Azalea leaf scale

Repeat application every 10 days until control is obtained. Azalea lacebug upper surface of leaves has a gray blanched or coarse stippled appearance. Azaleas are one of the most popular spring flowering shrubs seen in landscapes.

Azalea bark scale this azalea plant pest occurs most often in the eastern. They vary in appearance depending on age sex and species. Scales are unusual insects.

Common insect pests on rhododendrons and azaleas include. The female is covered with waxy threads that harden into a protective scale as her egg sac forms. If you notice leaves that look diseased always look at the under side.

The azalea bark scale is tiny but her effect as seen on your azaleas turning black is terrible. Throughout the year fungal spots cercospora species septoria species phyllosticta species and colletotrichum species of various colors appear on azalea and rhododendron leaves the diseases caused are usually minor only affecting the aesthetic value of the plant. If the canopy of your azalea is thinning or yellowing in places or has some dead branches look for a crusty covering of scale insects on the stems or white waxy egg masses produced by the females see photos.

However another threat to azaleas as well as rhododendron and pieris or andromedas is azalea bark scale eriococcus azaleae. Evergreen azalea leaves are rarely longer than 1 to 2 inches. The undersides of the leaves become discolored by excrement and cast skins.

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