viburnum leaf beetle n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Viburnum Leaf Beetle PowerPoint Presentation
Download Presentation
Viburnum Leaf Beetle

Loading in 2 Seconds...

play fullscreen
1 / 11

Viburnum Leaf Beetle - PowerPoint PPT Presentation


  • 119 Views
  • Uploaded on

Viburnum Leaf Beetle. Paul Weston, Cornell University, Bugwood.org. David Cappaert, Michigan State University. E. Richard Hoebeke, Cornell University, Bugwood.org. What is VLB?. Leaf beetle native to Eurasia Established in North America during 1970’s? Attacks only Viburnum spp.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Viburnum Leaf Beetle' - kimn


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
viburnum leaf beetle
Viburnum Leaf Beetle

Paul Weston, Cornell University, Bugwood.org

David Cappaert, Michigan State University

E. Richard Hoebeke, Cornell University, Bugwood.org

what is vlb
What is VLB?
  • Leaf beetle native to Eurasia
  • Established in North America during 1970’s?
  • Attacks only Viburnum spp.
    • Species and varieties vary in susceptibility

Paul Weston, Cornell University, Bugwood.org

Richard Webb, Self-employed horticulurist, Bugwood.org

slide3

History

1994

2009

2002

Map: National Agricultural Pest Information Service

vlb lifecycle
VLB Lifecycle
  • Late Summer / Fall
    • Eggs laid
  • Spring
    • Eggs hatch

Capped egg pits on twig

Paul Weston, Cornell University, Bugweb.org

Empty egg pits on twig

Paul Weston, Cornell University, Bugweb.org

vlb lifecycle1
VLB Lifecycle
  • Spring
    • Larvae feed on leaves
    • Subtle damage to leaf underside at first
    • Larger larvae skeletonize leaves

E. Richard Hoebeke, Cornell University,

Bugwood.org

Paul Weston, Cornell University, Bugweb.org

vlb lifecycle2
VLB Lifecycle
  • Summer (June / July)
    • Larvae pupate in soil
    • Adults also feed on Viburnum leaves
      • Make holes that cross veins

Paul Weston, Cornell University, Bugweb.org

Paul Weston, Cornell University, Bugwood.org

viburnum spp in minnesota
Viburnum spp. in Minnesota
  • Wild Viburnum spp. In Minnesota
    • Source: Smith, 2008. Trees and Shrubs of Minnesota.
viburnum spp in minnesota1
Viburnum spp. in Minnesota
  • CultivatedViburnumspp. In Minnesota
slide9

OtherViburnumInsects

  • Viburnum borer
    • Clearwing borer
    • Tunnels in stem < 18” of ground

David Parsons, University of Wisconsin,

Bugwood.org

David Parsons, University of Wisconsin,

Bugwood.org

slide10

OtherViburnumInsects

  • Four-lined plant bug
    • Damages tissue
    • Could resemble feeding from early instar larvae

Steve Mayer, Extension Educator, Marion County, Indiana

Steve Mayer, Extension Educator,

Marion County, Indiana

H. Russel, MSU Diagnostic Services

slide11

OtherViburnumInsects

  • Japanese beetle?
    • How common on Viburnum?
    • Damage may be identical
    • Larvae would not be present

USDA Agricultural Research Service Archive, USDA Agricultural Research Service, Bugwood.org

Clemson University - USDA Cooperative Extension Slide Series,

Bugwood.org