En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
    
 
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
 
rate this answer
Not Yet Rated

Wednesday - April 08, 2009

From: Austin, TX
Region: Southwest
Topic: Trees
Title: Symmetrical Holes in Live Oak leaves.
Answered by: Joe Marcus

QUESTION:

We have 2 young live oaks - quercus virginianum trees and their brand new leaves show two symmetrical rows of pin-sized holes punctured along the length of them. What could have caused this?

ANSWER:

A technical point: since you're in Austin, Texas, the species of live oak in your landscape is probably Quercus fusiformis (plateau oak).

The symmetrical holes in the leaves are made by insects just as the leaves are emerging and before they unfold.  Billbugs, plantbugs and caterpillars are all known to cause the type of damage you're seeing, though not necessarily on oaks.  If only a few leaves are involved, there's no need to worry.  If a large percentage of the leaves on your trees are damaged, we recommend contacting a certified arborist for positive identification and control of the pest.

 

More Trees Questions

Leaves dropping from a potted Mesquite
August 11, 2014 - I have a Prosopis pubescens (Screwbean Mesquite) that I purchased at a nursery in Alpine, TX just a few miles away from me. It was a in nursery style black plastic container. The mesquite is perhaps a...
view the full question and answer

Color year round, welcome to Austin Texas.
December 04, 2011 - I am new to Austin and want to plant colorful flowers for fall and winter that get a "wow" reaction. I have not seen much at the local nurseries. Any and all suggestions are greatly appreciated!
view the full question and answer

Need advice for planting Bur Oak saplings in Comal County
October 09, 2012 - We will be planting several bur oak saplings this fall in deeper soils in Comal County. How close should we plant them? What mortality should we expect? Thanks in advance for your assistance.
view the full question and answer

Failure of Bald Cypress to fully leaf out
April 14, 2008 - My family just moved to a house in Burnet County, about 7 miles south of Bertram, close to the Balcones Canyonlands NWR, with very rocky limestone soil. We bought several trees last fall, including a ...
view the full question and answer

Replacing Drought-Stricken Cedars
January 16, 2012 - Hello, I live in Williamson County on a couple acres. We have several dead cedars as a result of drought; we're reluctant to cut them down because many of them provide a friendly barrier between us...
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP | STAFF
© 2015 Lady Bird Johnson Wildflower Center