| 5492340 |
Adult(s) |
an adult white pine weevil collected from spruce |
| 5492342 |
Adult(s) |
White pine weevil adult on a spruce branch |
| 5492750 |
Damage |
|
| 5492751 |
Damage |
|
| 1593011 |
Damage |
Older weevil attack that killed the existing terminal when the tree was at the height of damaged whorl. The dead terminal was replaced by severl competing laterals that created a dense cluster of branches at the whorl. |
| 1593020 |
Damage |
Boards freshly cut from a eastern white pine log. The distorted wood grain and embedded knots illustrate damage caused by an older weevil attack that killed the existing terminal at that whorl. Logs originated on the Menominee Indian Reservation, logs were cut at the Forest Products Lab, Madison, WI. |
| 1593053 |
Damage |
Classic early attack symptoms in the terminal of an infested eastern white pine. |
| 1593012 |
Damage |
Terminal and laterals beging to wilt (die) due to an active infestation of white pine weevil. |
| 5445138 |
Damage |
terminal of blue spruce killed by white pine |
| 5445136 |
Damage |
Terminal of blue spruce killed by white pine weevil |
| 5445137 |
Damage |
Terminal of blue spruce killed by white pine weevil |
| 5445135 |
Damage |
Terminals of blue spruce repeatedly attacked by white pine weevil |
| 5445134 |
Damage |
terminals of blue spruce repeatedly attacked by white pine weevil |
| 4836010 |
Adult(s) |
look for adult near the terminal leader in early spring |
| 2733014 |
Damage |
terminal weevil feeding |
| 0907018 |
Damage |
dead terminal caused by damage |
| 4212047 |
Damage |
multi stem; old damage |
| 1543147 |
Life Cycle |
pine weevil
weevil pupa and dead grub in white pine |
| 1678058 |
Damage |
|
| 1543145 |
Life Cycle |
weevil in white pine pupa and larvae |
| 1199034 |
Damage |
Emergence hole |
| 2634021 |
Damage |
exit holes on shoot |
| 4212040 |
Damage |
typical shepherd's crook damage to terminal |
| 4212039 |
Damage |
terminal demonstrating characteristic "shepherd's crook" on jack pine |
| 1207037 |
Damage |
Close-up view of adult weevil feeding damage on branch |
| 1112002 |
Damage |
Dead terminal. McGregor Model Forest, British Columbia |
| 1399074 |
Damage |
|
| 1398230 |
Damage |
Board showing internal damage due to an old white pine weevil attack, large knots and twisted wood grain. |
| 1207031 |
Damage |
View of seedling showing effect of repeated damage |
| 1207035 |
Damage |
Close-up of branch showing holes in bark from weevil feeding |
| 1468321 |
Damage |
|
| 1207036 |
Damage |
branch showing adult weevil feeding |
| 1326027 |
Larva(e) |
Larvae in damaged terminal |
| 1398233 |
Damage |
twisted, old white pine |
| 1398226 |
Damage |
|
| 1241514 |
Damage |
Adults near exit holes |
| 1398228 |
Damage |
Evidence of an old weevil attack on a 20-25 yr old white pine in Wisconsin. |
| 1235180 |
Larva(e) |
|
| 0805087 |
Damage |
|
| 1326021 |
Damage |
Early stage wilting symptoms |
| 0805091 |
Damage |
|
| 2634020 |
Damage |
shepherd's crook |
| 0805088 |
Damage |
|
| 1241513 |
Damage |
|
| 0805090 |
Damage |
|
| 0805089 |
Damage |
note the 'S' shaped stem damage from prior infestation |
| 1199035 |
Damage |
|
| 1207034 |
Larva(e) |
|
| 1207038 |
Damage |
sapling or small pole showing terminal leader damaged by weevil feeding |
| 5431716 |
Damage |
|
| 5431718 |
Galleries |
|
| 5431719 |
Larva(e) |
|
| 5431711 |
Larva(e) |
Host: Serbian Spruce |
| 5431712 |
Pupa(e) |
Host: Serbian Spruce |
| 5431713 |
Pupa(e) |
Host: Serbian Spruce |
| 5431715 |
Adult(s) |
Host: Serbian Spruce |
| 5431721 |
Larva(e) |
|
| 5431722 |
Damage |
|
| 5431717 |
Pupa(e) |
Host: White Pine 'Monticola' |
| 5431720 |
Larva(e) |
Host: White Pine 'Monticola' |
| 5431710 |
Larva(e) |
|
| 5431714 |
Adult(s) |
Host:Serbian Spruce |
| 1361021 |
Damage |
When terminal branch is killed, it is replaced by an adjacent branch, which results in a crooked or forked stem. |
| 5431709 |
Larva(e) |
|
| 1123069 |
Damage |
Feeding punctures and sap droplets associated with spring feeding and egg deposition. |
| 2651037 |
Damage |
|
| 1199036 |
Damage |
Stem deformity caused by an earlier attack |
| 4212041 |
Damage |
exit holes on shoot |
| 1241515 |
Damage |
|
| 1326026 |
Damage |
Damage to terminal |
| 1326022 |
Damage |
Early stage wilting symptoms on codominant terminals |
| 4212042 |
Damage |
chip cocoons |
| 1587082 |
Damage |
|
| 1326025 |
Adult(s) |
|
| 1112001 |
Damage |
Old dead terminal. McGregor Model Forest, British Columbia. |
| 1468118 |
Damage |
|
| 1398227 |
Adult(s) |
Newly emerged adult white pine weevil and exit holes on a red pine terminal. Red pine attack is rare. |
| 2121098 |
Damage |
Terminal portion of a Jack pine killed by white pine weevil larval feeding. This is relatively common in Michigan and Wisconsin. Photo taken July 2005 |
| 1678059 |
Damage |
dead spruce terminal, adult emergence holes visible |
| 1326024 |
Damage |
Damage to terminal |
| 1470011 |
Pupa(e) |
|
| 0717038 |
Damage |
This insect feeds on the tops of White Pines and Norway Spruce. Feeding by larvae causes the leader and the top whorl to die. |
| 1207040 |
Adult(s) |
Close-up of two adults |
| 1326023 |
Damage |
Codominant terminals produced by damage |
| 1541752 |
Adult(s) |
|
| 1541261 |
Adult(s) |
|
| 1541257 |
Adult(s) |
|
| 1541258 |
Adult(s) |
|
| 1541259 |
Adult(s) |
|
| 1541260 |
Adult(s) |
|
| 1541255 |
Adult(s) |
|
| 1541256 |
Adult(s) |
|
| 5411314 |
Adult(s) |
|
| 5411313 |
Adult(s) |
|
| 1523051 |
Larva(e) |
in stem |
| 1523052 |
Damage |
|
| 1523047 |
Damage |
|
| 1523048 |
Damage |
|
| 1523049 |
Adult(s) |
mating |
| 1523050 |
Adult(s) |
mating |
| 1254022 |
Larva(e) |
|
| 1254023 |
Damage |
Dead leader in young Engelmann spruce |
| 5205049 |
Adult(s) |
Collection information: Georgia: Effingham Co.; 21-Apr-90 |
| 5205050 |
Adult(s) |
Collection information: Georgia: Effingham Co.; 21-Apr-90 |
| 1398222 |
Adult(s) |
|
| 5202043 |
Damage |
|
| 5202053 |
Damage |
Terminal attack on a jack pine by the white pine weevil; Photo taken in Eau Claire County, Wisconsin |
| 5171039 |
Damage |
|
| 5017100 |
Damage |
|
| 5018002 |
Larva(e) |
|
| 5032054 |
Damage |
|
| 5047020 |
Damage |
heavy damage |
| 5062006 |
Larva(e) |
|
| 2182037 |
Life Cycle |
|
| 2182038 |
Damage |
|
| 2185014 |
Adult(s) |
|
| 2185016 |
Adult(s) |
|
| 1627097 |
Damage |
Drooping leaders which eventually die on white pine or Norway spruce are the familiar symptoms of white pine weevil attack. |
| 1627099 |
Larva(e) |
|
| 1470007 |
Adult(s) |
|
| 1394090 |
Adult(s) |
Black River Falls |
| 1394089 |
Larva(e) |
|
| 1199033 |
Damage |
Board showing old weevil damage |
| 1326028 |
Pupa(e) |
Chip cocoons in damaged terminal |
| 1123070 |
Damage |
feeding damage to terminal |
| 1207030 |
Adult(s) |
|
| 1207033 |
Larva(e) |
Close-up view of two larvae, 1975 |
| 1428083 |
Damage |
leader damage at. |
| 1678057 |
Damage |
sitka spruce leader killed by weevil |
| 1678056 |
Damage |
on spruce needle |
| 0907019 |
Larva(e) |
larvae tunnel down the infested leader, girdling the terminal |
| 0907017 |
Damage |
pitch flow is associated with feeding and egg-laying; look for adult near the terminal leader |
