Note that aphids are sometimes protected by ants -- you may need
a double-pronged attack against aphids in a tree, which is happily
far easier to orchestrate than aphids in, say, a sage bush near the
ground. You get those strips that sit around the trunk, or the
little half-cylinder ring that you fill with water and that you caulk
up (so ants can't slip inside it).
My understanding is that in the absence of ants, aphids can't
stand up to much of an attack from predator insects.
Well your correct the adults do eat aphids but not like the juv. so i vote
to use the best tool for the job ...buy the juv not the adults.
Who wants to eat surrounded by your (mangled) dead?
Observation is sometimes better that acting. You get a
chance to learn something you might not if you did act and also a better
understanding
on when to act. Acting meaning intervening with some 'cide' application.
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