orange dots!

Trouble shoot problems you are having with your cactus.
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needlenose
Posts: 1
Joined: Wed Jun 18, 2014 9:06 pm

orange dots!

Post by needlenose »

hello people of cactiguide. recently i planted a cutting and i am seeing a lot of orange dots on my cactus. i tried to google and i am leaning towards spider mites but i dont see webs. basically all i want to know is, will this kill my cactus? if so how do i solve the issue?

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TexasPricklyPiglet
Posts: 165
Joined: Thu Jul 03, 2014 8:48 pm
Location: San Antonio, TX

Re: orange dots!

Post by TexasPricklyPiglet »

There was a post about different mites the other day. A member, Steve Johnson, offered some good information. Here you go: viewtopic.php?f=24&t=33803
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Steve Johnson
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Joined: Thu Nov 03, 2011 4:44 am
Location: Los Angeles, CA (Zone 10b)

Re: orange dots!

Post by Steve Johnson »

TexasPricklyPiglet wrote:There was a post about different mites the other day. A member, Steve Johnson, offered some good information. Here you go: viewtopic.php?f=24&t=33803
Yep, that was moi -- good call, TPP!

Everything you wanted to know about flat mites, but were afraid to ask:

http://www.cactiguide.com/forum/viewtop ... 9&p=287283" onclick="window.open(this.href);return false;

After I posted that thread, I've been using TetraSan spray -- safe and effective as a miticide/ovacide against all types of pest mites. Needlenose, if you live in the US, you can buy TetraSan through eBay, or you could go with Bayer Advanced 3-in-1 spray. If you live elsewhere, the only thing I can recommend is alcohol spray. Fine for the vast majority of cacti, but alcohol will disfigure the skin on some species. Hopefully you can get TetraSan or the Bayer product, because you won't have to worry about using it on anything.
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Astro
Posts: 153
Joined: Wed Jul 25, 2012 7:52 pm
Location: SF Bay Area, CA

Re: orange dots!

Post by Astro »

Looks like scale rather than spider mites. Probably calls for a systemic insecticide rather than a contact insecticide.
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globose
Posts: 32
Joined: Mon Jul 21, 2014 4:39 am

Re: orange dots!

Post by globose »

Some of my cacti have gotten burns that look like that
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adetheproducer
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Location: Porth, the Rhondda, Wales

Re: orange dots!

Post by adetheproducer »

They don't look like scale bugs, I would agree with globose my stenocereus has them too. I picked one off before and it revealed minor damage most likely caused buy puncture wounds, other customers in the shop accidently pushing spines of the neighbouring cacti when shopping. It was nice and green underneath but scabbed back over faily quickly and now looks the same. Nothing much to worry about unless they start speading or getting bigger, then you may have some kind of fungle/bacterial infection.
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