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Is something eating my Vanda?

This is a discussion on Is something eating my Vanda? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; Hey all! I recently received this Ascda. Bicentennial 'Carmela' from a (I think?) reputable grower ...

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  1. #1
    Becky15349's Avatar
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    Exclamation Is something eating my Vanda?

    Hey all!

    I recently received this Ascda. Bicentennial 'Carmela' from a (I think?) reputable grower in the great state of Hawaii....but I got the plant and these "tunneling" spots have been increasing every night. I think its a slug, do you know what this could be? I even unpotted the thing (when I repotted into SH) and I didn't find any bugs...

    I already contacted the vendor bc I think its pretty crappy...I haven't heard back from them yet. I sent them these same pictures.

    What do ya'll think it is?
    ~B
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    Do you see holes in the leaves as well as the tracks? Are you seeing gnats at all? If so, I am betting Leafminer. "Leafminers are housefly-like flies and about the size of fruit flies. The adults become active in the early morning and reach their activity peak before noon. This is also the time that mature larvae pupate and adults emerge from the pupae. Adults puncture leaf tissue with their ovipositor and feed on the juices that exude from the puncture. These punctures can easily be detected as a spot on the leaf surface. A female will lay an egg beneath the leaf surface in one of the punctures. When the egg hatches the larvae will start to feed on the tissue between the upper and lower leaf surface." See http://www.rv-orchidworks.com/orchid...rch-paper.html

  3. #3
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    Hey Joe,

    I hear what you're saying...but there are no eggs or traces of any pests whatsoever...also, the tunneling is on the underside of the leaf, whereas leafminer damage is usually visible from both sides, I think. I've seen the damage these things can do on regular leaves. Im just not sure. I want a refund, this is uncool!!!

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    Ah, a mystery!! Oh, and what do you think about Jess' weight problem?

    hehehhehehe

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    LOLOL I always manage to catch something stupid in my photos don't I? Its either a gossip rag, or a photo, or who knows what...

    I feel bad for her, but she did get a little hefty...for her frame, that is. I think she's only 5' tall or something like that.

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    Becky, is it possible you have a snail hiding in the leaves where they meet the stalk?

  7. #7
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    I am going to go home later and take it out of the pot again. does that look like a snail mark? I've never had snails before...but I will definitely look!! I'll cook the little booger!!

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    If you think snails or slugs infesting the pot, place apple or potato slices on top of the mix and check things out early the next morning. The little critters love to snack on this. But they are usually very small so one must be very observant. Snails don't usually leave such an extensive pattern on the leaves...they are sucking crustaceans and leave holes rather than tracts.

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    Okay, now I'm nervous....so what could it be? systemic something?

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    I've seen this too and sure would like to know what it is. I had one ascda I got from a non rep dealer on ebay that had this. I never figured out what it was - the leaves dropped or I cut them off and although still weak and scrawny, the ascda still lives. Good luck, Becky! Any ideas, anyone? Cell collapse maybe?

    Tami

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