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Forest Health Informer

Insects & Diseases

Listing of common diseases in Indiana counties:

  • Dogwood Anthracnose (Discula destructiva)
  • Dogwood Disease
  • White Pine Seedling Mortality
  • Hickory Mortality (Scolytus quadrispinosus and Ceratocystis sp.)
  • Redbud Canker (Botryosphaeria dothidea)
  • Verticillium Wilt (Verticillium albo-atrum)
  • Nutrient Deficiency Syptoms
  • Ash Yellows/Ash Decline
  • Yellow Poplar Decline

Listing of common insects in Indiana counties:

  • Emerald Ash Borer (Agrilus planipennis Fairmaire)
  • Zimmerman Pine Moth (Dioryctria zimmermani)
  • Introduced Pine Sawfly (Diprion similis)
  • Spongy Moth (Lymantria dispar)
  • Slug Oak Sawfly (Caliroa quercuscoccineae)
  • Walnut Caterpillar (Datana integerrima)
  • Yellownecked Caterpillar (Datana ministra)
  • Fall Webworm (Hyphantria cunea)
  • Lacebugs (Corythucha spp.)
  • Spider Mite (Oligonychus spp.)
  • Tuliptree Scale (Toumeyella liriodendri)
  • Larger Pine Shoot Beetle (Tomicus piniperda)
  • Japanese Beetle (Popillia japonica)
  • Locust Leafminer (Odontata dorsalis)
  • Mimosa Webworm (Homadaula anisocentra)
Indicate below the insect and disease conditions you have observed.
 Host Amount of damage County
Dogwood Anthracnose   
Dogwood Disease   
White Pine Seedling Mortality   
Zimmerman Pine Moth   
Introduced Pine Sawfly   
Slug Oak Sawfly   
Redbud Canker   
Yellow Poplar Decline   
Walnut Caterpillar   
Fall Webworm   
Ash Yellows   
Larger Pine Shoot Beetle   
Verticillium Wilt   
Lacebugs   
Locust Leafminer   
Yellownecked Caterpillar   
Hickory Mortality   
Japanese Beetle   
Other   
Name, Title and County:

Please send to:

Philip T Marshall, Forest Health Specialist, Vallonia State Nursery, Vallonia, IN 47281

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