Narrow Results by:

Subject Specific Filters:

All Subject Filters are in use

Image Specific Filters:

  1. Descriptor:           

Image Setting:

Sizes Available:

Orientation:

Steven Katovich's Images

Title: Forest Entomologist
Organization: USDA Forest Service
Unit: Forest Health Protection
Country: United States

Steve is a Forest Entomologist with the U.S. Forest Service who has worked most of his career in the Great Lakes Region.  His major work interest is in how forest management can influence insect populations.  Steve has a B.S. degree in forest management from the University of Wisconsin - Stevens Point, a M.S. degree in entomology from the University of Wyoming, and a Ph.D. in entomology from the University of Minensota.   


Remove Filters: Root Feeding Insects(X) Conifer(X)

19 Images of 3 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
5486528 May-June beetles Phyllophaga spp. white grub feeding damage, removal of fine roots on a red pine seedling.
5486518 May-June beetles Phyllophaga spp. Dead seedlings growing in dense grass, killed by white grub feeding on root system
5486516 May-June beetles Phyllophaga spp. Red pine root damage
5486524 May-June beetles Phyllophaga spp. white grub feeding damage, removal of fine roots on a pine seedling.
5486525 May-June beetles Phyllophaga spp. white grub feeding damage, removal of fine roots on a pine seedling.
5486526 May-June beetles Phyllophaga spp. white grub feeding damage, removal of fine roots on a pine seedling.
5486522 May-June beetles Phyllophaga spp. Seedlings with damaged root systems
5486523 May-June beetles Phyllophaga spp. root feeding on pine seedling
5486517 May-June beetles Phyllophaga spp. red pine seedling root damage
5486527 May-June beetles Phyllophaga spp. white grub feeding damage, removal of fine roots on a red pine seedling.
1593089 pine tip root weevil Hylobius rhizophagus Branch flagging on a root tip weevil infested tree. 
1398009 pine root collar weevil Hylobius radicis Scots and red pine showing various stages of damage from the pine root collar weevil. Damage is often heaviest along plantation edges where grass competition is intense. Photo taken in Jackson Co. Wisconsin
1199001 pine root collar weevil Hylobius radicis To base.
1199002 pine root collar weevil Hylobius radicis Various stages of damage in a mixed red and Scots pine stand. Damage concentrated along stand edge where grass is competing with the trees.
2121083 May-June beetles Phyllophaga spp. Pine County, MN 2005.
2121095 May-June beetles Phyllophaga spp. Larva found feeding on the fine roots of a red pine seedling. Photo taken in Pine Co., MN, September, 2005.
2121096 May-June beetles Phyllophaga spp. Single white grub found in association with root damaged red pine seedlings in east central Minnesota. Seedlings planted into an old alfalfa field with lots of grass present. Photo taken in Pine Co., MN.
2121097 May-June beetles Phyllophaga spp. White grubs found in association with root damaged red pine seedlings in east central Minnesota. The planting site was an old alfalfa field with lots of grass present. Photo taken in Pine Co., MN
2121100 May-June beetles Phyllophaga spp. Single white grub found in association with root damaged red pine seedlings in east central Minnesota. Seedlings had been planted into an old alfalfa field with lots of grass also present. Photo taken in Pine Co., MN

Page: