Knowledgebase

Is this scale on my blueberries #878160

Asked July 21, 2024, 6:24 PM EDT

If this is scale how do I treat it, it not what do you think it is?

Morrison County Minnesota

Expert Response

I'm not sure what it is. It doesn't look like scale:
https://www.torontomastergardeners.ca/askagardener/diseased-blueberry-plant-scale/
https://ipm.uga.edu/2022/08/05/identification-management-of-scale-insects-in-blueberries/

It could be aphids, possibly this one:
https://extension.usu.edu/planthealth/ipm/notes_ag/fruit-black-cherry-aphid

In either case, remove them as best you can (hose or gloved hand). Both scale (in the early stages) and aphids can be treated with insecticidal soap.
Dennis in St. Louis Park Replied July 22, 2024, 1:55 PM EDT

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