balsam woolly adelgid
Adelges piceae (Ratzeburg)

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  1. Descriptor:           (show all)

    Damage (46)
    Infestation (42)
    Symptoms (6)
    Control (3)
    Adult(s) (2)

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    Conifer (79)
    Misc. Pests (29)
    Trees (4)
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    Taxonomy (1)

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    Leslie J. Mehrhoff (29)
    Robert L. Anderson (15)
    William M. Ciesla (10)
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Image Descriptor Description
5477160 Damage
5477161 Damage
5477162 Damage
5477163 Control
5477165 Display or Sign
5477166 Display or Sign
5477167 Damage
5477168 Damage
5477169 Damage
5477170 Damage
5477171 Damage
5477172 Damage
5477173 Damage
5477174 Damage
5477175 Damage
5477176 Damage
5477177 Damage
5477178 Damage
5477179 Damage
5477152 Damage
5477153 Damage
5477154 Damage
5477150 Damage
5477151 Damage
5477155 Damage
5477156 Damage
5477157 Damage
5477158 Damage
5477159 Damage
1241746 Damage Swelling (gouting) around buds and branch nodes.
0795072 Nymph(s) crawler
1546186 Damage
5458351 Damage Damage in the form of swollen, deformed branches.
2721073 Infestation Clingman's Dome Category: Damage 3 Great Smokey Mountains National Park stand killed
2721074 Infestation Clingman's Dome Category: Damage 1 stand killed - Great Smokey Mountains National Park
2253068 Infestation note white appearance on tree bole
0795073 Infestation killed trees
1201013 Infestation 8-24-56 at Wind River Arboretum
1241748 Infestation
1468270 Infestation
1344039 Damage Needle mortality
1241745 Damage Crown symptoms of subalpine fir being killed by balsam woolly adelgid.
1344004 Infestation
0795076 Infestation
1458080 Damage Defoliation of fraser fir; 1973
5395241 Egg(s)
5395245 Damage
0488049 Infestation
1748037 Infestation
2253069 Infestation note characteristic white of tree bole
0590100 Infestation stand mortality at Mt. Mitchell
0590098 Infestation stand mortality at Mt. Mitchell
1587070 Symptoms Balsam woolly adelgid on subalpine fir, infestation and mortality at edge of avalanche chute
1587068 Symptoms
1587074 Symptoms abnormal crown
1587075 Symptoms abnormal crown
1587073 Symptoms abnormal crown
1587072 Symptoms abnormal crown
1344115 Monitoring Taking DBH of one of our long-term monitoring firs
2253020 Infestation
1748036 Infestation
1748043 Infestation
1344114 Infestation Heavy tree mortality
1510052 Application Ground application of chemical pesticide for control of balsam woolly adelgid along roadside zone, Mt. Mitchell State Park, NC
0758233 Infestation Oblique color infrared aerial photo of tree mortality caused by balsam woolly adelgid, Roan Mountain, NC and TN.
0758232 Infestation Oblique color aerial photo of trees dying as a result of balsam woolly adlegid infestation, Roan Mountain, NC and TN.
1510086 Infestation Balsam wooly adelgid caused mortality
1510050 Damage Balsam wooly adelgid killed frazier fir
1510051 Damage Gouting of Frasier fir from balsam wooly adelgid
1510053 Infestation Balsam wooly adelgid infested fir bole
2167003 Damage Gout on Fraser fir
2167005 Damage gout on Fraser fir
2167006 Damage Gout on Fraser fir
2167007 Damage gout on Fraser fir
2167008 Damage Gout on Fraser fir
2167009 Damage Gout on Fraser fir
3036038 Damage Parking lot at Mt. Mitchel from visitor tower
2181084 Life Cycle
2181085 Damage
1518059 Infestation Stem attack on Abies fraseri, Mt. Mitchell State Park, NC, ca 1961.
2721075 Infestation Clingman's Dome Category: Damage 2 stand killed - Great Smokey Mountains National Park
5004096 Infestation
5004099 Infestation
5004100 Infestation
1458057 Control pesticide application
1458079 Adult(s)
1458105 Infestation
1344030 Control Spraying trees
1344113 Survey Using a lens to check for BWA on Mature Fraser Fir trees used in long-term monitoring plots
1748044 Infestation
1748041 Infestation
1748042 Infestation
1748040 Infestation
1748039 Infestation
1241747 Adult(s) "Wool"-covered females as they appear during summer.
1241744 Infestation
0795074 Infestation on Richland balsam at Mt. Mitchell
0590099 Infestation stand mortality at Mt. Mitchell
0364001 Infestation stand mortality at Mt. Mitchell
0014100 Infestation note regeneration at Mt. Mitchell
1201014 Infestation 8-17-63 RGM
1201015 Feature(s) gouts, W. Gay, K. Wright - Jan. 1957
3227014 Infestation at Clingman's Dome
3227015 Infestation at Mt. Mitchell, North Carolina
2252066 Egg(s) close-up
2254052 Infestation on subalpine fir
1748038 Damage
1678062 Damage gouting damage
0795077 Damage "Red holz" or butterscotch wood of an infested tree

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