CLOSED: Bug on my Brugmansia

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MechelleT Middleton, TN(Zone 7a) Jun 01, 2010

Does anyone know what this is? It has done major damage overnight, just about killing 3 blooms. I sprayed with Malathion yesterday and there are tens of them inside and out :-((

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suunto Sinks Grove, WV Jun 01, 2010

These are spotted cucumber beetles, Diabrotica undecimpunctata howardi (Coleoptera: Chrysomelidae) - see http://tinyurl.com/22tsp6s; they can be very destructive to a variety of plants. I use Rotenone dust for control; Sevin also should work, but be very careful if bees are in the area (they are very sensitive to Sevin).

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MechelleT Middleton, TN(Zone 7a) Jun 01, 2010

I thought it looked like the ones that were in the article yesterday but wasn't sure. I do have some spray Sevin. I will try that. Will it stop future "landings" and should I spray the area where they are or just the plant?

Post #7849622
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suunto Sinks Grove, WV Jun 01, 2010

Just spray the plant, not the surrounding area. Sevin does have some residual activity; just keep an eye on the plant(s), and reapply if you see fresh feeding activity.

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MechelleT Middleton, TN(Zone 7a) Jun 01, 2010

Thanks once again suunto ;-)

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