Pest killing lupine - what is it??

Cambridge, MA(Zone 6a)

Hello there,

Was just viewing a friends garden a few days ago and noticed the lupines were infested with some sort of blueish aphid creature. What are they and how to best control??

Thanks!

Thumbnail by Zelene Thumbnail by Zelene
Contra Costa County, CA(Zone 9b)

Aphids.
There are many species, and some are different colors depending on the host.

Hamilton, OH(Zone 6a)

If you want to avoid pesticides, simply spraying them off with a nozzle on a garden hose is quite effective.

Cambridge, MA(Zone 6a)

Nice - Thank you Cottelpg I heard soapy water works well too.

Thanks for the replies all. Appreciate it much.

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