CLOSED: Unknown Beetle

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CaptMicha Brookeville, MD(Zone 7a) May 12, 2005

This ugly guy was on one of my brugmansias. I didn't see damage but I didn't look closely. What is it??

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Post #1464259
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htop San Antonio, TX(Zone 8b) May 12, 2005

Maybe a Colorado Potato beetle":
http://entweb.clemson.edu/museum/beetles/local/btle64.htm
http://www.dpw.wageningen-ur.nl/ento/english/Personel/Van%20Loon%20Engels/Image14.jpg
http://www.ext.nodak.edu/extpubs/plantsci/hortcrop/e331-1.jpg
http://pestdata.ncsu.edu/cropprofiles/docs/Graphics/Image35.gif


This message was edited May 12, 2005 1:12 AM

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CaptMicha Brookeville, MD(Zone 7a) May 12, 2005

Hmm... thats weird. I only have one potato and it's in a pot on the deck. No damage there.

Will systematic go into the flower's nectar? I don't want to harm any pollinators but I want to avoid insect damage to my brugs.

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JefeQuicktech Moorhead, MN(Zone 4a) May 12, 2005

Just pick them off if there are only a few. If your not excited about handling them, put on rubber gloves and perform "surgery". We've also used a solution made of vegetable oil, dish soap, tobasco, and water. Spray it on the plants and on the bugs.

We get them regularly. We haven't had a potato in this yard for 15 years. They love to attack datura's also. Picking them off and dumping them in soapy oil water is the best way to get rid of them.

There is also the BT fix....a biopesticide product based on the bacterium Bacillus thuringiensis (Bt) is available. M-One™, made from B. thuringiensis ssp. san diego, is genetically engineered (read: geeks in lab coats producing scary stuff to potentially kill us all) and therefore is not allowed in certified organic production. Novodor™, contains B. thuringiensis ssp. tenebrionis, a form of Bt that is not genetically engineered. That one can technically be used in an organic scenario.

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