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Gardening and Landscaping Stack Exchange

Questions tagged [parasites]

27 questions
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1 answer

What are these little black bugs on my ivy?

I have noticed these bugs on new and tender branches of my ivy. What are they, and how can I get rid of them? Neem oil doesn’t seem to be effective.
retrography
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Lilac Bush - A parasite of some sort? How to treat?

This is related to this post, I'm having the same issue: spiny growths on lilac bush (Colorado) There is something growing from my Lilac Bush that isn't the Lilac itself. It grows directly out of the branches of the Lilac, so no separate branches.…
Justin Wade
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Unrecognized instance if the flower garden

There is a strange instance that appeared in my flower garden overnight. Does anyone have an idea what it is? Thanks, Aliaksei
Aliaksei Ivanou
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My cactus has small white bugs in its soil

I watered my cactus today and it had some small white bugs on it. What can I do to stop him from being killed. Please help me fast because my cactus is my best friend and I don’t want him to die. He also has turned yellowish and squishy. I water him…
ShareelC
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Spontaneous reappearance of Horse Chestnut Leaf Miner

Last summer, the leaves of the chestnut tree in our back yard have, quite early on in the warm season, developed these stains on them: All of the tree's leaves dried out and fell long before autumn (around late June). I understand this might have…
z8080
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What are these strange egg like things?

I have these strange round brown things on my peach tree. they can't be insect eggs because they have the size of a lentil. they are white and sticky inside.
Sadegh Ghasemi
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Identification of a tiny, worm-like insect/parasite

I noticed small insects in my flower pot that I would like to know more about. They are usually extremely small (1-3mm); slightly resemble either minuscule caterpillars/worms of a greenish-yellowish tint, but the smallest ones resemble moving pieces…
MicroMachine
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What are these strange black lumps on basil plant?

I've recently noticed these lumps on the stems of my basil plant The fall off fairly easily but I'm not sure what they are and there's not much online that I can find.
Zach
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Yellow and brown spots on leaf tip

On a barley farm, there are yellow and brown spots on leaf tips. Possible causes: Some kind of parasite Weather condition Bad seed Looks like some farms using the same seed are affected What might be the actual cause? What could be the…
Megidd
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White sticky fluff and parasites on my Pilea and chilli plants

I have (indoors) both a Pilea and some green chilli plants. From time to time, there is asmall, white and fluffy thing that shows up on the eaves or trunk, which I remove manually (I then spray the plant with a neem oil-based fungicide). I hadn't…
Clement C.
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Is this tree a parasite?

I have a big tree in the garden (left in the picture). On one of its roots, another smaller tree is growing (right in the picture). It looks odd, almost as if the smaller tree is growing into the root of the bigger one. The roots of the smaller tree…
null
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Identification of a bug on lavatera

[EDIT-20170626: added some history] I just found a couple of bugs on my lavatera, which seems to do fine so far. I has tried to find the bug species with the morphological description, without success. Who could it be? Is it…
Laurent Duval
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