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Old July 11, 2014   #1
tnkrer
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Default Friend or Foe?

When I encounter insects on the plants, before I get rid of them, I want to know if they are beneficial or not. Matching what I see with photos found by google is not always successful. Also I have no way of building that knowledgebase. I hope that this post serves as that knowledgebase. So I propose that we make this a sticky thread. This would be a great knowledge base for new gardeners like me. I don't know if the forum software allows it, but if possible, we can keep maintaining the first post to update the information (real life photos from TVille members, names of insects, pests or predators etc)

So here are a few insects I noticed on my tomato today. I think they are mites.

[URL=http://s794.photobucket.com/user/tnkrer/media/vegetable%20garden/2014/mite.jpg.html][/URL]

Should be killed right?

And I am seeing lady bug and lady bug larvae on that tomato. We know its a beneficial bug and eats aphids aplenty.

photo of lady bug larvae

[URL=http://s794.photobucket.com/user/tnkrer/media/vegetable%20garden/2014/ladybuglarva-1.jpg.html][/URL]
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Old July 11, 2014   #2
tnkrer
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Originally Posted by tnkrer View Post
So here are a few insects I noticed on my tomato today. I think they are mites.

[URL="http://s794.photobucket.com/user/tnkrer/media/vegetable%20garden/2014/mite.jpg.html"][/URL]

Should be killed right?
After some more research, it seems to me that these won't be mites. Mites are very small, where as these are about 1 mm. They are brown, hard back. They seem to have a way to stick to the leaf, so when picking them, you can feel they are trying to hold on to the leaf. There are smaller ones on the underside and these bigger ones on the top side of the leaf.

[URL="http://forums.gardenweb.com/forums/load/gagarden/msg0510103513201.html?19"]This gardenweb post[/URL] seems to describe a similar insect/bug. However, I didn't see any conclusive post on that thread. Should I try neem oil?
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Old July 11, 2014   #3
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#1 son says it is a type of aphid and to blast it with water.

And yes, that is a ladybug larva...always good to see those visiting the garden.
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Old July 11, 2014   #4
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I'll bite.
Assassin bug good.

Wheel bug good.
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Old August 31, 2014   #5
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Default Excellent PDF about bad, and beneficial stink bugs

There are many. This is a university field guide.
[url]https://pubs.ext.vt.edu/444/444-356/444-356_pdf.pdf[/url]
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Old November 29, 2014   #6
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the beige bug in the first photo is a mummified aphid. Inside is a parasitic wasp larvae, which is a good bug. Leave them on the plant. After a few days you will see a hole on the top side which means the wasp has emerged.
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Old December 5, 2014   #7
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Originally Posted by Nattybo! View Post
the beige bug in the first photo is a mummified aphid. Inside is a parasitic wasp larvae, which is a good bug. Leave them on the plant. After a few days you will see a hole on the top side which means the wasp has emerged.
I don't agree with you on this one.

The legs are too long, and the OP seems to be indicating that they are still alive when he tries to remove them. There should also be more of them, in the hatched out condition. (please confirm, OP)

Although, it would certainly be helpful to have something in the photo for scale.
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Old February 22, 2015   #8
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I gotta agree with solid7 on this one. Looks like a pretty healthy aphid to me, color isn't an indicator (I've seen red, green, and beige colonies at the same time on the same plant). Mummified ones usually look pretty ill and their legs go quickly.
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Old February 24, 2015   #9
Nattybo!
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I don't agree with you on this one.

The legs are too long, and the OP seems to be indicating that they are still alive when he tries to remove them. There should also be more of them, in the hatched out condition. (please confirm, OP)

Although, it would certainly be helpful to have something in the photo for scale.
It is a mummified aphid. No, the legs are not too long. This mummified aphid is not moving b/c it is too crispy. No there should not be more of them. The parasitic wasp female lays one in a aphid colony and then moves to another aphid colony to lay another egg.

Believe me, I know a parasitized aphid when I see one.
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Old July 18, 2019   #10
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Quote:
Originally Posted by ginger2778 View Post
There are many. This is a university field guide.
[url]https://pubs.ext.vt.edu/444/444-356/444-356_pdf.pdf[/url]
It is depressing the number of those I have seen over the years in my garden.

Bill
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Old July 25, 2019   #11
Nematode
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Default Friend or foe?

Egg masses on pepper, squash 'em or keem 'em?
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Old July 25, 2019   #12
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Originally Posted by Nematode View Post
Egg masses on pepper, squash 'em or keem 'em?
WBC =western bean cutworm.

[url]https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=2ah UKEwjZwd3p1M_jAhVkmK0KHdL-DgUQjxx6BAgBEAI&url=https%3A%2F%2Ffieldcropnews.co m%2Ftag%2Ftrap-catches-stink-bug-eggs%2F&psig=AOvVaw3GNUvMGs8zgdU4vD_1haha&ust=1564 129991498653[/url]


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Old May 18, 2016   #13
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Ok seen a couple today I never have before. First one was on tomato plant in the GH. Second is on a patty pan squash plan. Any help appreciated.
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Old May 18, 2016   #14
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After further research I found that the insect in the second picture is a brown lacewing larva. No luck on the first one yet.
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Old May 18, 2016   #15
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Brown spiny bug looks like a leaf hopper. But I have never seen that one before. So spiny!

You are right, the 2nd one is a lacewing larvae. Keep your eyes out for the lacewing eggs; so tiny, so cool.
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