Ask a Question forum: Spike like growths on the leaves of maple tree

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Name: Jen
Aug 30, 2016 1:11 PM CST
I have noticed these spiky things that seem to be growing out of the leaves on a maple tree. I got in touch with someone in pest control, he told me that it is a type of beetle egg and the type of beetles that hatch eat and destroy wood and that the bugs will end up eating my wood house! I've been doing tons of research and have yet to find anything relatively close to what my exterminator says, so I'm not sure what I should do, I figured maybe you can help me with some answers!?! TIA
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Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
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Aug 30, 2016 1:22 PM CST
Welcome! They are leaf galls, see:


If it's maple spindle gall it is caused by a mite. Definitely won't eat your house!
Name: Daisy
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Aug 30, 2016 1:29 PM CST
It sounds like that exterminator is drumming up business for himself.
Name: Karen
NM , AZ (Zone 7b)
Region: New Mexico Region: Arizona Frugal Gardener Greenhouse Cactus and Succulents Adeniums
Salvias Garden Art Plumerias Hibiscus Houseplants Plant Lover: Loves 'em all!
Aug 31, 2016 2:20 PM CST
DaisyI said:It sounds like that exterminator is drumming up business for himself.

I agree

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Name: Lin
Sebastian, Florida (Zone 9b)
Region: United States of America Morning Glories Region: Florida Houseplants Charter ATP Member I was one of the first 300 contributors to the plant database!
Garden Procrastinator Birds Butterflies Bee Lover Hummingbirder Container Gardener
Aug 31, 2016 3:21 PM CST
I agree, that exterminator just wants business!
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Name: Rick Corey
Everett WA 98204 (Zone 8a)
Sunset Zone 5. Koppen Csb. Eco 2f
Frugal Gardener Garden Procrastinator I helped beta test the first seed swap Plant and/or Seed Trader Seed Starter Region: Pacific Northwest
Photo Contest Winner: 2014 Avid Green Pages Reviewer Garden Ideas: Master Level Garden Sages I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database.
Aug 31, 2016 3:27 PM CST
Hi, Jen! Welcome to NGA.

Speaking of "gall", that exterminator has plenty already. By any chance do you live on Cape Cod? We used to call them "Cape Cod Craftsmen", since that sounds better than "lazy, lying #$##^###!!! liars" .

Or maybe he just doesn't know the difference between a leaf and a bug, or a mite and a termite.
Maybe he thinks a "ter-mite" is one kind of mite!

I'm going to put my bet down on "lying #$##^###!!! liar" !

Good luck with your maple tree!

"Maple leaf galls seldom, if ever, cause permanent injury to a tree, but they do detract from the beauty of the leaves."

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