Hot answers tagged

13 votes
Accepted

Is this an ant colony on this fig tree?

You've got a bad infestation of fig wax scale. The ants are there for the honeydew, and are ant-farming. You want to get rid of the scale, they're basically living off of your plant, using up ...
user avatar
  • 51.5k
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 ...
user avatar
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 ...
user avatar
  • 56.4k
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 ...
user avatar
7 votes
Accepted

Bay Leaf Tree (Laurus Nobilis) with severe scale

The problem with a large tree like this is that trying to spray it requires professional equipment. Even with a pressurized sprayer you will get whatever you are spraying drifting onto to neighbors ...
user avatar
  • 56.4k
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 ...
user avatar
  • 56.4k
6 votes

Scale infestation (Euonymus scale)

In addition as per @Bamboo answer I would do the following: Make a severe pruning. That means to prune half of shoots. Burn the prunnings in a suitable location. Do not forget to move the prunings in ...
user avatar
  • 1,175
5 votes
Accepted

White stripy things on trunk are killing my plant

Edit: After a tip from Bamboo and a close up picture this looks like a scale insect. Most likely this is oyster shell scale Control can be done in a number of ways which I list below: take a soft ...
user avatar
  • 56.4k
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 ...
user avatar
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 ...
user avatar
  • 129k
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 ...
user avatar
  • 129k
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. ...
user avatar
  • 129k
4 votes
Accepted

Scale infestation (Euonymus scale)

It's Euonymus scale, so called because it loves Euonymus plants, as you've discovered, in particular, evergreen varieties. I don't know what part of the world you're in, but you need to seek out a ...
user avatar
  • 129k
4 votes

Bay Leaf Tree (Laurus Nobilis) with severe scale

It is truly a beautiful plant! Get NEEM...this works very well and is pretty safe. Spray it at night so as not to hurt bees...just in case. Neem works very well with scale! You might have to do it ...
user avatar
  • 39.9k
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%...
user avatar
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 ...
user avatar
  • 5,162
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 ...
user avatar
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, ...
user avatar
  • 39.9k
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 ...
user avatar
2 votes

What are these hard white/brown spots growing on my houseplant?

They are scale insects; spray the plant with summer oil mixed with systemic insecticide (Acitamiprid or Imidacloprid) according to the concentration mentioned in the label. Then do a repeat spraying ...
user avatar
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. ...
user avatar
  • 129k
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 ...
user avatar
  • 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 ...
user avatar
  • 21
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 ...
user avatar
  • 129k
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 ...
user avatar
  • 129k
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 ...
user avatar
  • 129k
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 ...
user avatar
  • 129k
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 ...
user avatar
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 ...
user avatar
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 ...
user avatar

Only top scored, non community-wiki answers of a minimum length are eligible