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Daylily Gall Midge

Posted by brody z7 WA (My Page) on
Sat, Jul 14, 12 at 3:49

Has anyone else had problems with this pest yet? If your daylilies have lots of distorted buds that fail to flower, you might have it. Mine have been effected for 3 years. I believe they're another foreign pest that gained a foothold in BC and are spreading south, so heads up.


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RE: Daylily Gall Midge

  • Posted by corrine1 7b Pacific Northwest (My Page) on
    Sat, Jul 14, 12 at 11:25

Yes, I discovered them last summer & haven't eradicated it yet though concentrated in one garden.

Info from Erikson's Gardens:
-soil borne larvae emerges early May
-lays eggs in buds
-grubs eat inside of bud & deform it
-remove affected buds in June (seal in bag & dispose -- don't compost) Otherwise the grubs will crawl back down into the soil when done eating to emerge again next year as an adult.)
-no spraying required or needed for this pest

Here is a link that might be useful: complete article


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RE: Daylily Gall Midge

Yep, that's the same thing I've been doing with the buds. I've also read that late bloomers escape most of the damage. It's a new problem to me so was trying to spread the word on here.


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RE: Daylily Gall Midge

No problem for me with over 30 daylilies in Portland, sure hope it never gets to be one too....thanks


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