Bugs on Yucca Plant

I live in New Jersey and have a large yucca plant outdoors that is about seven years old. It is part of our pool landscaping. It has full sun exposure. Each year I prune the dead leaves. This year I have noticed a swarm of small black and red bugs on the leaves. I have tried spraying with a garlic spray with little success. What can I do to eradicate this pest problem?

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1 Comment To "Bugs on Yucca Plant"

#1 Comment By Nikki On 06/10/2011 @ 6:22 am

It may be aphids or scale. I would treat the plant with neem oil. It is effective against most damaging pests and is safe for people and animals. Here are some articles that will help you:
https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm ^[2]
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[3]

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URLs in this post:

[1] https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm: https://www.gardeningknowhow.com/plant-problems/pests/homemade-aphid-control-a-natural-way-to-kill-aphids.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm

[3] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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