Narrow Results by:

Subject Specific Filters:

  1. Order:                   

    Coleoptera (1)
    Hymenoptera (1)

Image Specific Filters:

  1. Descriptor:           

    Cocoon(s) (1)
    Damage (1)

Image Setting:

Field (1)

Orientation:

Landscape (1)
Portrait (1)

Norm Johnson's Images

Organization: USDA Forest Service
Unit:
Country: United States
2 Images of 2 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
1564013 Braconid wasp Coeloides vancouverensis The high incidence of cocoons of Coeloides vancouverensis (Dalla Torre) in the galleries of Douglas-fir beetle larvae reveal the effectiveness of this parasitoid in the field under certain conditions.
1678044 Douglas-fir beetle Dendroctonus pseudotsugae sampling of fir beetle in wind throw, Washington

Page: