Narrow Results by:

Subject Specific Filters:

Type:

Insects (14)
Management (2)
Other Damage Agents (1)

  1. Category:             (show all)

    Bark Beetles and Phloem Feeding Insects (6)
    Terminal, Tip, Stem and Shoot Insects (4)
    Foliage Feeding Insects (3)
    Abiotic Damage (2)
    Gallmaker Insects (2)

  1. Order:                   

    Coleoptera (7)
    Lepidoptera (4)
    Hemiptera (3)
    Abiotic (1)

Image Specific Filters:

  1. Descriptor:           (show all)

    Damage (21)
    Equipment (12)
    Larva(e) (9)
    Pupa(e) (7)
    Adult(s) (5)

  1. Commodity:         

    Conifer (62)
    Miscellaneous Forestry (12)

Gender:

Male (3)
Female (1)

Image Setting:

Field (14)
Laboratory (1)

  1. View:                     

    Aerial (4)

Orientation:

Landscape (65)
Portrait (9)

David McComb's Images

Title: Retired
Organization: USDA Forest Service
Country: United States
74 Images of 17 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Subject Scientific Name Images
balsam twig aphid Mindarus abietinus 1
balsam woolly adelgid Adelges piceae 1
cooley spruce gall adelgid Adelges cooleyi 1
cutworms, loopers, owlet moths, and underwings 1
Douglas-fir beetle Dendroctonus pseudotsugae 1
Douglas-fir tussock moth Orgyia pseudotsugata 18
European pine shoot moth Rhyacionia buoliana 8
fir engraver Scolytus ventralis 1
fire 1
frost and winter injury (general) 1
mountain pine beetle Dendroctonus ponderosae 2
pesticides 12
pine engraver Ips pini 2
spruce beetle Dendroctonus rufipennis 2
western pine beetle Dendroctonus brevicomis 2
western spruce budworm Choristoneura freemani 19
white pine weevil Pissodes strobi 1

Page: