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Beneficial spiders on orchid plant?

This is a discussion on Beneficial spiders on orchid plant? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Hi, About 2-3 weeks ago (only a gues-ti-mate), I started noticing some small spiders and ...

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    Default Beneficial spiders on orchid plant?

    Hi,
    About 2-3 weeks ago (only a gues-ti-mate), I started noticing some small spiders and webs on a few of my plants and various objects in my greenhouse (under benches, around exaust fan, above and around the door in places...etc.). In fact, I wouldn't have even given them a 2nd glance outside the gh because they just look like little spiders you see here, there and yonder...grass, etc. I thought I should ask you about them since they're near my orchids, though. The webs are mostly noticeable when I have my misters on (especially on objects because I don't like to get my plants wet, if poss.). None actually look alike and they're much larger than a spider mite, so I immediately ruled mites out. They're doing no harm that I can see...my plants look fine. In fact, they are pest-free, as far as I can tell. The only exception is 1 mealy bug I found yesterday who is now history.

    I haven't tried to kill them or make a special point of tearing down their little webs because I thought they may be beneficial. I've been guessing they are probably the reason my orchids seem to be pest-free. ?? (I saw one dragging a little ant across his web on the back of a phal mount this morn.)

    Bottom line: Do you think these various little spiders are beneficial or harmful? Should I try to kill them, or leave them alone? I'm sorry...my camera doesn't take close-up pictures well, so I have no photos for you to see.

    I would appreciate your advice and/or comments...
    Vicki

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    All spiders are predators, Vicki. As such, their only interest, if any, in your orchids would be the bugs they might attract. (Trivia for the day: spiders kill more insects than all the birds, frogs, and bats combined.) So just leave them to do their work.

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    I agree with Pavel.

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    I too leave as many of the spiders alone as possible. The rare exception are the ones around when a gecko is near. I like feeding the geckos...lol.

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    Thanks everyone! The spiders have a permanent home if they want to continue to stay in my greenhouse, so I'll help them if they'll help me and my orchids! By the way, thanks for the trivia, paval.....that's interesting.....I didn't know that and Connie, you're funny.....I wish I had some geckos, too. Also...thanks for your reply, catttan.
    Vicki

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    Vicki, you want Geckos? I think you could convince one or two to live in your greenhouse, if your gh is air tight and they can not excape.... I agree with the fact that spiders are beneficial. I especially like the little jumping spiders - I leave them all alone, unless of courst they might have a red hourglass design on their abdomen and then I am sorry but they would get splatted..............same with wolf spiders and little brown recluse spiders - no room for any of them around my house.

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    I agree with everyone too. Spiders do a good thing. I don't even mind them in the house as long as they do not get into my bed or bath. If I find one in those rooms, I get a jar and take them outside away from the house and let them go.

    Cheers,
    BD

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    Default Germinatorman

    Hi,
    Yes, I've been wishing I had some Geckos in my greenhouse...but now I've decided that at least 3 things most likely wouldn't work out if I had some. 1, now that I've learned from all of you that the spiders are beneficial, I'm sure the Geckos would make them their meals. 2, My greenhouse is not airtight at all. I often get uninvited visitors, especially through the return vents (even though my husband put a chicken wire shield around the outside of them). The visitors find their way through the exaust fan, too. 3, My floor is treated wood with spaces between the boards. If they happen to be under there when I use bleach or Physan on the floor, I'm sure it would be "RIP little Geckos" So, I guess I'm still gonna have to admire the little fellas from afar.

    I'm glad to know that the spiders are indeed beneficial....hopefully they'll "take care" of at least some orchid loving varmits.

    I'm definitely with you as far as the black widows, wolf spiders and brown recluses go.

    Thanks for your reply, advice and comments...
    Vicki


    Quote Originally Posted by Germinatorman View Post
    Vicki, you want Geckos? I think you could convince one or two to live in your greenhouse, if your gh is air tight and they can not excape.... I agree with the fact that spiders are beneficial. I especially like the little jumping spiders - I leave them all alone, unless of courst they might have a red hourglass design on their abdomen and then I am sorry but they would get splatted..............same with wolf spiders and little brown recluse spiders - no room for any of them around my house.

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    Hi Bruce,
    I'm glad to have the spiders in my greenhouse now that I know they're helpful, but I'm not thrilled when I see one in the house, though...but I never kill any...we catch them if we can and do as you do and take them outside in a jar and turn them loose. Same with bugs we can catch. My husband is a fanatic about "setting them free!" I'd much rather do that, too.

    Thanks for your reply. I always appreciate your advice,
    Vicki




    Quote Originally Posted by Brutal_Dreamer View Post
    I agree with everyone too. Spiders do a good thing. I don't even mind them in the house as long as they do not get into my bed or bath. If I find one in those rooms, I get a jar and take them outside away from the house and let them go.

    Cheers,
    BD

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    Wolf spiders are nothing to fear. They too are excellant predators.

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