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bug-guy
08-22-2008, 05:03 PM
this is an oak leaf, sorry the picture is not good.

Az Gardener
08-22-2008, 08:10 PM
Are you talking about the burnt tip? In my area it would be salt burn, possibly too much water.

bug-guy
08-22-2008, 08:12 PM
it's the under side of the leaf soft insects

americanlawn
08-22-2008, 08:27 PM
Looks like a Ford truck seat. :laugh: What type of oak? The pattern probably rules out disease pustules, so my guess is a type of gall. Stretching here....best guess is gall caused by mites. Need to know what oak, then research. ???

JDUtah
08-22-2008, 11:45 PM
Looks like a Ford truck seat. :laugh:

I'm sayin' Nissan :laugh:

whoopassonthebluegrass
08-23-2008, 12:01 AM
it's the under side of the leaf soft insects

You're sure they're insects?

Mscotrid
08-23-2008, 12:22 PM
Just a Gall (?) spelling,. Could be a parasitic wasp unsightly but generally does no damage to the tree. Nothing you can spray or do far as I know.

Prometheus
08-29-2008, 02:19 AM
Gall wasps (Cynipidae), also called Gallflies, are a family of the order Hymenoptera and are classified with the Apocrita suborder of wasps in the superfamily Cynipoidea. About 1300 species of this generally very small creature (1-8 millimeters) are known worldwide, with about 360 species of 36 different genera in Europe and some 800 species in North America.