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Sep 23, 2023 2:04 PM CST
Name: Donald
Eastland county, Texas (Zone 8a)
Raises cows Enjoys or suffers hot summers Region: Texas Plant Identifier
I can't see the spider, but the other one might be a nymph of some kind. There are both beneficial and pest insects that go through a red nymph stage in their life. You might look at Google photos using 'red nymph bugs' for the search and see if there is one that's a match. A lot of them look similar in that stage so you may not be able to ascertain it with any certaintly. However, if you have a lot of adult bugs around that go through that stage, that might provide you with a better probability.
Avatar for Pricklypig22
Sep 26, 2023 4:47 PM CST
Fresno ca
Cactus and Succulents
OMG today there are all kinds of the red bugs with black legs sorry about pics best I could do!
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Sep 26, 2023 10:14 PM CST
Name: Donald
Eastland county, Texas (Zone 8a)
Raises cows Enjoys or suffers hot summers Region: Texas Plant Identifier
I can't see them very well, but what I can see look like orange aphids. I have those and they get on plants with latex sap. I haven't had them bother any plant that didn't have milky sap. You might just plug in 'orange aphids' in a Google Photos search and compare what's there with what you have. They have a lot of photos of them. I mainly have just washed them off with water, but they have never seemed to do as much damage to the plants they get on as the earlier green ones that get on other plants.
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Sep 28, 2023 1:10 PM CST
Moderator
Name: Baja
Baja California (Zone 11b)
Cactus and Succulents Seed Starter Xeriscape Container Gardener Hummingbirder Native Plants and Wildflowers
Garden Photography Region: Mexico Plant Identifier Forum moderator Plant Database Moderator Garden Ideas: Level 2
Yes, spray/squirt/jet those away with water and you'll solve 95% of the problem. Come in with some insecticidal soap sprayed in between all the leaves (repeat every few days for a couple of weeks) and you may solve all of it.

I am curious if anyone has seen this pattern on soft leafed succulents.

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This is Graptopetalum amethystinum. Both the mother plant and all her offspring have the same thing going on. Older leaves have these translucent spots that are permanent (until the leaf drops). It does not seem to be contagious. I have not seen this on other plants. I don't mind a few odd spots, but I am curious to know what is going on here. It appears to have nothing to do with any kind of odd chemical exposure.
Avatar for Pricklypig22
Sep 28, 2023 3:11 PM CST
Fresno ca
Cactus and Succulents
[quote="Baja_Costero"] Yes, spray/squirt/jet those away with water and you'll solve 95% of the problem. Come in with some insecticidal soap sprayed in between all the leaves (repeat every few days for a couple of weeks) and you may solve all of it.

So r these aphids then? I sprayed them with alcohol first & that didn't work so I used dawn & water & that killed them pretty fast! I will spray again today!
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Oct 10, 2023 12:08 AM CST
Thread OP
Name: Bob
The Kau Desert, Hawaii (Zone 12a)
@Baja. I must admit the green spots are unique. Some of them have the tan crusty eruptions of edema. If they were black I would guess fungus. Has their been any changes?
Avatar for MsDoe
Oct 12, 2023 8:07 PM CST
Southwest U.S. (Zone 7a)
Prickly Pig,
No, not aphids. I suspect they are some sort of leaf-footed bug nymph. They suck the juices out of plants.
There is a look-alike good bug--assassin bug nymphs. They are predators of bad bugs.
I can't tell from the photo which they might be, maybe you can figure it out. I never get the good guys, I think insecticidal soap is a good idea!
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Oct 12, 2023 8:12 PM CST
Moderator
Name: Baja
Baja California (Zone 11b)
Cactus and Succulents Seed Starter Xeriscape Container Gardener Hummingbirder Native Plants and Wildflowers
Garden Photography Region: Mexico Plant Identifier Forum moderator Plant Database Moderator Garden Ideas: Level 2
OrchidBob said: Has there been any changes?


No it seems quite stable (all rosettes affected to one degree or another) and heritable through cuttings, but not contagious to my other succulents (which is why I tolerate it).
Avatar for jeffinMaine
Oct 27, 2023 7:33 AM CST

Hello all, I am wondering what disease this is on my Blue Myrtle Cactus. Overall the plant looks very healthy. I do not believe I am over watering it. A week ago on the tip of one of its arms, it started developing this brown spot. The same thing happened 3 months ago on another arm that I chose to prune off. Any thoughts??
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Nov 12, 2023 2:10 PM CST
Thread OP
Name: Bob
The Kau Desert, Hawaii (Zone 12a)
I see that nobody else has responded, so this must be a mystery to many.
I have never experienced anything like this. Definitely not insect related.
Your cactus looks well grown and seems to have plenty of light.
The tip looks more black than brown in the photo.
It might be a fungus and treating it with a fungicide would not hurt the plant.
My first thought was tip burn. Did you fertilize it recently?
Too much nitrogen can cause tip burn in leaves, but I have never heard of it happening with thicker plants.
Avatar for kirstenmcco
Apr 29, 2024 10:34 PM CST

Hi! New here and I need help with a Peruvian apple cactus. I received this cactus as a gift about 4 years ago and it has done very well over the few years. It sits in a very bright room with bright indirect light half of the day and bright direct light half the day in a room that is entirely windows on one side. I don't water it often although we do travel frequently and rent our house and I worry maybe someone did water it while we were gone this winter. It seemed to have collapsed out of nowhere when we returned. I hadn't noticed any rot or discoloration (although tbh I hadn't checked in with it in a few weeks) and one day I looked over and it had flopped over in half. It is very soft as well and definitely feels Rotted. Is it possible to save it if I amputate? Clearly I would need to cut it very low close to the base from previous posts I've read. The brown calloused spot at the base also has been there the entire time I've had the cactus and that spot is hard, as it always has been. Please help!
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May 2, 2024 9:24 AM CST
Name: Christie
Central Ohio 43016 (Zone 6a)
Plays on the water.
Amaryllis Permaculture Sempervivums Roses Bookworm Annuals
Composter Hybridizer Cat Lover Garden Ideas: Master Level
@kirstenmcco - I'm no expert, so hopefully wiser members can give you more information. I believe the brown hard spot at the bottom is known as "corking" and is normal. But it looks to me that the middle part might be rotting, especially if it is soft. I am having a similar problem, except the area is not soft, it is hard and roots have started to sprout, so probably not same issue. From what I have learned so far, you should be able to cut the middle section off - above the soft rotting part, and again beneath the soft rotting part, and discard that entire rotting part. Let the top cut-off section dry for a week or so in a dimly lit area. Sprinkle some cinnamon on the cut off part of the base/original cactus to ward of more rotting. Over time, it should callous over and hopefully sprout a new section. Regarding the top part you cut off, after letting it callous over for a week or two, I think you can root it and eventually plant it. Hope this helps. (and if others correct me, feel free to take their advice! Whistling )
Plant Dreams. Pull Weeds. Grow A Happy Life.
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May 3, 2024 5:54 PM CST
Thread OP
Name: Bob
The Kau Desert, Hawaii (Zone 12a)
From the grey color I see in this photo it appears dead.
The fact that it has folded indicates a fungus has killed it.
Chop off the top and if you find a healthy core then maybe
you can callus the cutting and start it over again.
If the base is solid then it may shoot out new growth.
Cut off the plant just above the brown corking and look for the white flesh of a healthy plant. If not sturdy flesh then toss the plant.
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May 4, 2024 12:02 PM CST
Name: Anne
Texas (Zone 8b)
Bee Lover Plant and/or Seed Trader Tomato Heads Region: Texas Seed Starter Peppers
Heirlooms Greenhouse Frogs and Toads Vegetable Grower


Help please! My baby Golden Barrel Cacti has white mold growing in their little pots. If I scrape off the mold would sprinkling cinnamon on the soil prevent it from growing back? The reason for the mold is because I'm growing the babies in my greenhouse and we're having too much rain lately. Yes, it's getting air flow but only when it's not storming so I can have the doors open.
Ban the GMO tomato!
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May 6, 2024 8:21 AM CST
Name: Christie
Central Ohio 43016 (Zone 6a)
Plays on the water.
Amaryllis Permaculture Sempervivums Roses Bookworm Annuals
Composter Hybridizer Cat Lover Garden Ideas: Master Level
I'm no expert, but I would remove the mold and add some cinnamon as you suggest. Perhaps add a slow moving fan to the area??
Plant Dreams. Pull Weeds. Grow A Happy Life.

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