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Cacti and Succulents: Help With Scale Problem

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Forum: Cacti and SucculentsReplies: 3, Views: 39
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newtonsthirdlaw
Arlington, TX

May 5, 2013
8:24 AM

Post #9508921

I went out today to find my twist leaf yucca infested with some very large, brownish red, scale insects. Any ideas how to get rid of them. I trimmed off the lower leaves which had the most but there are quite a few still left. I have one other plant in another bed but did not check that one yet. I sprayed with soap/H20 but need to get rid of those things.
C
allgr8dogs
Phoenix, AZ
(Zone 9b)

May 5, 2013
3:53 PM

Post #9509507

Will Ladybugs eat them?
newtonsthirdlaw
Arlington, TX

May 5, 2013
5:24 PM

Post #9509632

These appear to be very hard shelled and are quite large so I don't think so. I applied some old bayer systemic that I am unsure of potency and used a cotton swab and alcohol to remove as many as I could from both plants.

GermanStar

GermanStar
Fountain Hills, AZ
(Zone 9b)

May 5, 2013
7:36 PM

Post #9509824

Crush them with your fingers if you can, and follow with insecticidal soap. If took two or three goes, but that's how I cleaned a cochineal scale infestation off a large A. pelona.

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