Hey Buggy Joe!! What is it? - Calico Scale


The non-native Calico Scale (Eulecanium cerasorum) spends the summer as crawlers attached to the main veins on the underside of leaves. Detection can be a challenge with crawlers distributed on foliage throughout the canopy. This is true for many species of soft scales. However, as fall approaches, the crawlers move onto stems where they spend the winter. Clusters of crawlers coupled with blackened stems are key diagnostic features for detecting a calico scale infestation.


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