Scott Tunnock's Images
Title: EntomologistOrganization: USDA Forest Service
Unit: Cooperative Forestry and Pest Management
Country: United States
| 17 Images of 15 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 2253080 | spruce beetle | Dendroctonus rufipennis | red top trees on mountain side |
| 2253087 | western pineshoot borer | Eucosma sonomana | larval exit hole on terminal |
| 2253023 | cranberry girdler | Chrysoteuchia topiaria | damage on Douglas fir seedling |
| 2253010 | pine resin midges | Cecidomyia spp. | flagging terminals |
| 2252092 | spruce beetle | Dendroctonus rufipennis | bark pitch tubes and boring dust |
| 2252085 | Douglas-fir beetle | Dendroctonus pseudotsugae | showing needles fading in stand of damaged trees on mountainside |
| 2252065 | galls | cut open showing interior of gall | |
| 2252063 | cooley spruce gall adelgid | Adelges cooleyi | on young douglas fir |
| 2252059 | Gelechiid moths | ||
| 1241564 | cooley spruce gall adelgid | Adelges cooleyi | Galls on branch tips contain developing nymphs. Opened galls are red-brown, turning gray with age, and resemble small cones. |
| 2252060 | Douglas-fir needle midge | Contarinia pseudotsugae | |
| 1241597 | larch needleworm | Zeiraphera improbana | Larch bud moth larvae feed in "tubes" made of needle clusters held together and lined with silk. |
| 1241601 | defoliating weevil | Magdalis gentilis | Typical chewing caused by defoliating weevils leaves chunks of needles missing or broken off. |
| 1241513 | white pine weevil | Pissodes strobi | |
| 1241605 | sugar pine tortrix | Choristoneura lambertiana | Chewed and webbed needles showing damage caused by larvae. Damage is similar to western spruce budworm. |
| 2253009 | lodgepole terminal weevil | Pissodes terminalis | terminal split to show tunnel |
| 2253085 | western balsam bark beetle | Dryocoetes confusus |
