Weird Growth On Cottonwood...

tishfromwis(z5 WI)August 4, 2013

Hi Guys,

My neighbors come to me for identification and info on tree diseases. I've found every single disease their trees have had, but not this one and it's really bugging me. Please help...

~Tish~

Thank you for reporting this comment. Undo
IanW Zone 5 Ont. Can.

Looks like what remains of a petiole gall caused by an Aphid (Pemphigus species).

Here is a link that might be useful: Petiole gall

    Bookmark   August 4, 2013 at 8:34PM
Thank you for reporting this comment. Undo
tishfromwis(z5 WI)

Thank you so much ians, that's exactly what it is!!! They will be very thankful and I will definitely give you the credit... :)

~Tish~

    Bookmark   August 4, 2013 at 11:16PM
Sign Up to comment
More Discussions
2015 Midatlantic/SE/New England winter damage thread
I don't mean to exclude the midwest but I think for...
davidrt28 (zone 7)
Please help me identify this tree???
I have searched everywhere and can NOT find the name...
Terry Whitehead
my peach tree
My peach tree has bores or some type of insect in...
dbcaa
Beautiful Trees In Bloom Around My Neighborhood.
Here is the Yoshino Cherry Tree(i think) next door....
tlbean2004
Miliusa sinensis
Small tree of interesting flowers.
jujujojo_gw
Sponsored Products
Modway Charles Petite Leather Armchair in White
Beyond Stores
Charles Grande Wool Loveseat in Dark Gray
$699.00 | LexMod
Adagio Cottonwood Falls Fountain w/ Rajah Featherstone in Rustic Copper Finish
SerenityHealth
Glamos Wire Galvanized Diamond Cage Support - 10 Pack - 760469
$88.00 | Hayneedle
W Lounge Chair in Blue Tweed
$798.00 | LexMod
Hydro Systems Jetted Bathtubs Hartford 5 ft. Whirlpool and Air Bath Tub in
Home Depot
© 2015 Houzz Inc. Houzz® The new way to design your home™