8
votes
Accepted
Insect Friend or Foe on Rose, Santa Cruz, California
I'm not an entomologist but by googling, it looks to be a Rose Weevil or Fuller Rose Beetle aka Naupactus (Asynonychus) godmani.
It doesn't look like it's a goodie to have on your roses
The ...
- 23k
7
votes
Accepted
What is this pest attacking a fig tree?
The brown dots are an advanced infestation of scale. This is not the fig scale which looks pinkish and has an unusual shape but a more common variety. This is a common pest and regardless of the ...
- 57.4k
7
votes
What is afflicting this sick Bay Laurel (Laurus Nobilis) -- and how do I fix it?
You have a scale infestation.
I know I’ll get responses to this blog, that sympathetic gardeners will be recommending me a wide range of products and treatments to control scale insects: rubbing ...
- 23k
6
votes
Scale on plant in office: how to treat?
Here is a quick answer
Take it home
Cut every leaf off
Reduce water and wait for new growth to appear
When scale appears use 5 ml dish soap to one litre water
apply with rag or cloth three times at ...
- 57.4k
5
votes
What are these hard white/brown spots growing on my houseplant?
I've had every kind of pest and didn't want to trash my babies. The only thing that has worked for me is to take them, pot and all, if small or if large, out of the pot wash roots and submerge them ...
- 51
4
votes
Accepted
Identify plant and things on it (Possible Scale)
The plant is a Euonymus - hard to say which, because parts of it have reverted to plain green, but probably was originally Euonymus japonicus aureum. All branches which are entirely plain green should ...
- 131k
4
votes
Accepted
What's the best way to deal with scale insects on Pieris Japonica?
Check the instructions on your dormant oil - if its a newer formulation, it should have instructions regarding dilution rates for use on non dormant plants - a weaker dilution, in other words. ...
- 131k
4
votes
Accepted
White spots on large maple tree
Most likely horse chestnut scale, common on large and small Acer varieties in the UK, as well as lime and horse chestnut trees. Although it's unsightly, on large trees it's impractical to treat, and ...
- 131k
4
votes
Scale on plant in office: how to treat?
If it's a decorative plant just use a systemic insecticide that is absorbed by the roots into the plant tissue.
https://www.amazon.com/systemic-insecticide-scale/s?ie=UTF8&page=1&rh=i%3Aaps%...
- 23k
3
votes
getting rid of scale bugs by submerging
Look, this method of drowning will drown the plant as well, cause stress. Using Neem is not a one time thing, normally. I do make up a batch of Neem in a 5 gallon pots and dunk smaller plants, ...
- 40k
3
votes
Scale on plant in office: how to treat?
what I do for scale bugs, is to dip a qtip in rubbing alcohol and rub them off... then apply neem oil when I cant see any living scale bug... it usually works pretty well for control, but they are ...
- 5,172
3
votes
Scale on plant in office: how to treat?
This solution is a little labor intensive but soapy water in a spray bottle (just a drop or few of soap mind you) applied regularly will suffocate most pests.
it can take a few weeks at once or ...
- 141
2
votes
Accepted
Unknown pest identification - eggs? On a grape vine, UK
They're scale insects, in particular, brown scale. Ants are attracted by the honeydew they produce, and won't be causing any harm to your grapevine - deal with the scale and the ants stop coming. ...
- 131k
2
votes
Bay Leaf Tree (Laurus Nobilis) with severe scale
The lovely bay tree. I have noticed that my plants get infested with aphids etc when they are not in good health or are stressed. For some reason the aphids scale etc seem to arrive.
I feed my plants ...
2
votes
Accepted
How can I control scale insects on an indoor olive?
To be frank, I'd remove it. The new shoots from the base which you've been cutting off are arriving because the tree is desperately trying to put out new growth because its upper parts are so badly ...
- 131k
2
votes
getting rid of scale bugs by submerging
I just did the soaking method with dish soap. I had them on a jade plant I took from an outside garden. I have had them on this plant for a while and finally made the decision to do something about ...
- 21
2
votes
Scale on plant in office: how to treat?
DO NOT cut off the growth of this plant. Mix Chrysal "Leafshine Concentrate" with water in a spray bottle. Spray the plant (safe to do in the office - I have used this product in countless offices on ...
- 21
2
votes
Accepted
Can scale reattach after being physically dislodged?
Probably what you scraped off were adult scales - crawlers may have been beneath, or were too small to notice and you only saw them once they got a bit bigger and attached themselves. New scale ...
- 131k
2
votes
what kind of pest is this, and how to get rid of it?
If the potting soil was too wet for a while, then it might be fungus gnats, but they don't really look like that, although a magnifying glass would be useful for you to use. Image and information on ...
- 131k
2
votes
Accepted
Citrus treatment for scale bugs and whether fruit is edible
Ooh, nasty one indeed - the active ingredient acetamiprid is dangerous to bees. That particular insecticide is both contact and systemic - systemic means it enters the sap stream of the plant, and ...
- 131k
2
votes
What pest is this on my areca palm?
I had a similar situation with my Areca Palm and some other plants.
I was able to curb the mealy bug problem largely by following the steps mentioned in kevinskio's comment.
Additional thing I did was ...
1
vote
What pest is this on my areca palm?
This is mealy bug and hard to get rid of on palms as they hide in the leaf sheaths surrounding the new growth.
More details are here but soap and water or neem oil applied at least three times at five ...
- 57.4k
1
vote
Is this scale on my English ivy? How to prevent spreading to other outdoor and indoor plants ? Should I just uproot and throw them out?
Scale can be controlled by scraping with a fingernail. They just need to be dislodged , they don't generally reattach. Depending on the situation , it may not be worth the time. I have a 5 ft. ...
- 8,206
1
vote
Scale like skin on indoor dragonfruit plant. Help!
I believe this plant is a Hylocereus, which is a genus of epiphytic jungle cactus. The brown patches you see look like corking which is the hardening/thickening of the skin/flesh in older parts of ...
- 3,198
1
vote
Why would my citrus tree have dying twigs, burrowing insects and black scale?
"Looks like the vascular system has been compromised and only a bit is left to function. The scraping bit is worrisome, the black might just be honey dew, bacteria growing on insect excrement and ...
Community wiki
1
vote
What is afflicting this sick Bay Laurel (Laurus Nobilis) -- and how do I fix it?
Feed the plant with an organic fertilizer such as Seagro and add compost to the soil or replant with fresh soil. Strong plants seem to ward off scale, whilst I notice plants that are weak seem to ...
1
vote
What is afflicting this sick Bay Laurel (Laurus Nobilis) -- and how do I fix it?
Scale bugs can be easily scraped lightly off with fingernail. Removing all leaves seems pretty counterproductive. You may as well get a new plant if your going that far.After scraping leaves and ...
- 11
1
vote
What is afflicting this sick Bay Laurel (Laurus Nobilis) -- and how do I fix it?
I have used olive oil (extra virgin). It clogs up the scale insects' lungs and they can be nudged off when dead.
- 31
1
vote
What is afflicting this sick Bay Laurel (Laurus Nobilis) -- and how do I fix it?
Yes, scale. I have about a 10 ft one and it looked worse and worse for 2 years until I realized it had bad scale problem.I scraped a lot off with my nail, I think that would be the way to handle your ...
- 8,206
1
vote
What is afflicting this sick Bay Laurel (Laurus Nobilis) -- and how do I fix it?
Graham is correct, this is an advanced scale infestation and they are tricky to control. Here are my recommendations:
remove all leaves cleanly with knife or sequiturs. Clean with rubbing alcohol ...
- 57.4k
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
scale × 31pests × 11
pest-control × 9
identification × 6
citrus × 5
diagnosis × 4
diseases × 4
insects × 4
houseplants × 3
fungus × 3
palm × 3
lemons × 3
trees × 2
leaves × 2
pruning × 2
bugs × 2
grape-vine × 2
figs × 2
ferns × 2
kalanchoe × 2
plant-health × 1
indoors × 1
watering × 1
tree-care × 1
succulents × 1