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Black Bug Wreak Havoc On Penstemon
Ask the Expert:what is this small black bug in my flower garden?
This is a tiny black bug with a hard shell. It has antenna and six legs. It\'s eating the leaves of my gooseneck penstamon and the petals of my coneflowers. Last year I saw them inside the head of the coneflowers. They\'re very tiny and do a lot of damage. I thought they might be flea beetles, but they do not hop. However, they can walk very fast.
Flower Shop Network's Plant Expert Reply:
I am working on identifying the insect. It does sounds like a type of beetle. Can you send me a picture of the insect?
To keep this insect from damaging your perennials, you can use a systemic insecticide similar to the one used for roses or azaleas. You can get one that is mixed with fertilizer or you can get it in a liquid that you need to mix with water.
If you don't want to use a systemic insecticide, you can spray the plants with an insecticide called eight.