Growing Pains: Little brown worms

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Growing Pains

By valleylynn
January 1, 2010

A plant clinic for Sempervivum, Jovibarba and J. heuffelii. This is a companion article for the Sempervivum and Jovibarba forum.

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Name: Renée
Northern KY
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Kentucky Sempervivums Cat Lover Dog Lover
Lover of wildlife (Black bear badge)
KyWoods
Jul 6, 2011 7:23 PM CST
Help! There are little brown worms eating my Autumn Joy sedums...what can I put on them? Will get pics if needed.
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Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
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valleylynn
Jul 6, 2011 12:03 PM CST
Renee we need photos of the offending creatures. Hurry. Hurray!
Name: Renée
Northern KY
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Kentucky Sempervivums Cat Lover Dog Lover
Lover of wildlife (Black bear badge)
KyWoods
Jul 6, 2011 2:16 PM CST
I better, before nuthin's left...running out there now with camera... Grumbling

DRAT!! Battery's dead! Hopefully it won't be raining in a couple of hours, lol!
Name: Renée
Northern KY
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Kentucky Sempervivums Cat Lover Dog Lover
Lover of wildlife (Black bear badge)
KyWoods
Jul 6, 2011 6:16 PM CST
Okay, there's a beetle and a worm (is the worm the larvae of this beetle?).
p.s. No, that's not the correct time, lol.

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Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
Image
valleylynn
Jul 6, 2011 7:22 PM CST
Renee that is very hungry worm. I am going to send your posts over to Dr. Houseleeks to see what he has to say.

Charter ATP Member I was one of the first 300 contributors to the plant database!
twitcher
Jul 6, 2011 9:38 PM CST
Renee, the beetle looks a lot like what is known as the colorado potato beetle around here. The "worm" looks like a larval form of another bug. In either case, you can spray with insecticidal soap or pyrethrins if you like to stay organic. These are good broad spectrum insecticides. If you do not need to stay organic, then Sevin is a good insecticide as well.

In terms of strength, I find the following order: Pyrethrins, Insecticidal Soap, Sevin. Pyrethrins act quickly but do not remain around long. Soap will wash away in rain or dew easily but stays on the plant unless washed away. Sevin hangs around for a bit even in mild rain or dew, unless you have some really heavy rain.

In general, BT (an abbreviated for a bacterium) will work against most caterpillar type insects that we run into.

Your sedum should recover nicely from treatment.

For treatment, follow label directions for what you use. Be sure to follow up a few days later to make sure the treatment was effective. If not, then try another option.
Name: Renée
Northern KY
Charter ATP Member I was one of the first 300 contributors to the plant database! Region: Kentucky Sempervivums Cat Lover Dog Lover
Lover of wildlife (Black bear badge)
KyWoods
Jul 6, 2011 10:29 PM CST
Thanks so much!

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