New insects in garden: pests or beneficial?

sheckylovejoy(USDA 10a Sunset 19)October 26, 2012

They are very pretty, but something tells me they will kill everything in their path. At the moment I only see two of them out in the garden. They are about a cm long. Photo attached

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ken_adrian Adrian MI cold Z5

put on asbestos gloves.. and pick them off.. before they do the nasty and start laying eggs ...

who cares what they are.. lol ...

ken

ps: pick them off.. put in a plastic bag.. run over with car... encase in cement.. and send to the landfill ...

Here is a link that might be useful: check this out

    Bookmark   October 26, 2012 at 1:39PM
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sheckylovejoy(USDA 10a Sunset 19)

Thanks. They've been disposed of. I live dangerously, so I skipped the asbestos gloves.

    Bookmark   October 26, 2012 at 1:56PM
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rhizo_1 (North AL) zone 7

That's the nymph of the Southern Green Stinkbug.

    Bookmark   October 26, 2012 at 3:42PM
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ken_adrian Adrian MI cold Z5

so I skipped the asbestos gloves.

==>> but you did the rest.. right?? ... lol ...

google images of eggs and nymphs.. and keep an eye out..

ken

    Bookmark   October 26, 2012 at 4:21PM
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rhizo_1 (North AL) zone 7

That IS the nymph. Shecky needs to look for the green adults. Searching for eggs is a totally great idea.

    Bookmark   October 26, 2012 at 10:10PM
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ken_adrian Adrian MI cold Z5

i missed your post rhiz .. relax..

he needs to look for YOUNGER NYMPHS.. like at the link

ken

Here is a link that might be useful: link

    Bookmark   October 26, 2012 at 10:34PM
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Kimmsr(4a/5b-MI)

This link may be of some use.

Here is a link that might be useful: Stink Bugs

    Bookmark   October 27, 2012 at 6:48AM
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sheckylovejoy(USDA 10a Sunset 19)

Thanks again for all the help. I found 4 of them on one flower, but so far no eggs. There were plain green bugs and also the ones with the lovely markings. They are sealed up and buried in the trash.

Do they cause damage to plants, or are they just stanky? I don't see any damage to the plant they were on.

Thanks again

    Bookmark   October 27, 2012 at 4:12PM
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rhizo_1 (North AL) zone 7

Yep, insects like stinkbugs cause plant damage. They stick their little needlelike mouthparts into the plant and remove plant sap. If there is a lot of feeding going on, plant health can be seriously compromised.

That's why it is important that you regularly look for egg clusters. Those pretty nymphs don't fly....they had to have hatched from eggs somewhere on that very plant. And the green adults are the ones laying the eggs.

These insects suck plant juices at all stages of life, by the way.

    Bookmark   October 27, 2012 at 5:57PM
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sheckylovejoy(USDA 10a Sunset 19)

Thanks again. I keep looking, but see no eggs on that plant, though it is pretty big. FWIW, it's pretty healthy right now. I will, however, remain vigilant

    Bookmark   October 30, 2012 at 1:58PM
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Kimmsr(4a/5b-MI)

As written in the article linked above, "Damage - Stink bugs inflict mechanical injury to the seed as well as transmit the yeast-spot disease organism. The degree of damage caused by this pest depends to some extent on the developmental stage of the seed when it is pierced by the stink bug's needlelike mouthparts. The younger the seed when damaged, the greater the yield reduction. Although late season infestations may not affect yield, bean oil content and germination will be reduced."

    Bookmark   November 1, 2012 at 6:38AM
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ken_adrian Adrian MI cold Z5

i had them on gourds last year.. a nice large 10 foot square plant ... and i watched.. from egg mass hatch.. thru maturity.. as they simply sucked the life out of the plant.. which slowly shriveled and died ... which i didnt care ... it was better than TV.. lol ..

it should not be hard to see large clusters of eggs.. when and if they happen ...

ken

    Bookmark   November 1, 2012 at 3:14PM
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