Pacific Forestry Centre's Forest Pathology Herbarium

DAVFP: 25253

Other pest/damage: Aceria parapopuli (Keifer)

Host name: Populus tremuloides Michx. var. vancouveriana (Trel. ex Tidestr.) Sarg.

Year of collection (y-m-d): 1997-03-20

Map coordinates: 48.4396°N, 123.3380°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Victoria, V.I., B.C.

Remarks: UVic Ring Rd. (E side). Specimens are older galls that are likely several years old. Eriophyoid mites were collected from the more succulent, slightly redder areas of gall tissue.

Gene bank accession data: None

DAVFP: 25257

Other pest/damage: Aceria parapopuli (Keifer)

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-06

Map coordinates: 50.7523°N, 119.4808°W

Collector: Spencer, P.; Callan, B.

Determiner: Hunt, A.

Collection location: Salmon Arm, B.C.

Remarks: Skimikin hybrid poplar plantation. Hybrid clone #189-437. First record of bud galls caused by this mite on a T X D. Specimens were found in association with 'bud galls' on the leaves.

Gene bank accession data: None

DAVFP: 25258

Other pest/damage: Aceria parapopuli (Keifer)

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-06

Map coordinates: 50.7523°N, 119.4808°W

Collector: Spencer, P.; Callan, B.

Determiner: Hunt, A.

Collection location: Salmon Arm, B.C.

Remarks: Skimikin hybrid poplar plantation. 'Bud galls' on leaves. Clone #189-437. The galls look like & were associated with 'bud galls' on the branches of same tree. No eriophyoids were collected from these specimens.

Gene bank accession data: None

DAVFP: 25260

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Forest Service Stn. Clone #20-74. Very distinct 'leaf-bronzing' caused by this mite & appears as compartmentalized brown areas on the undersurface of leaves.

Gene bank accession data: None

DAVFP: 25261

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus deltoides Marshall X P. trichocarpa Torr. & A. Gray ex Hook.

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Forest Service Res. Stn. Clone DTAC 8. The undersides of the leaves have orangy, scaly, 'leaf-bronzing' disease symptoms. This mite was identified in and on the bronzed areas.

Gene bank accession data: None

DAVFP: 25262

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Research Station. Clone #22-87. This mite caused very distinct, orangy, small bronzed compartments on the undersurface of the leaves. The leaves are moderately to heavily bronzed.

Gene bank accession data: None

DAVFP: 25263

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. maximowiczii Henry

Year of collection (y-m-d): 1996-09-11

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. T X M hybrid, clone #268-55. First record of 'leaf-bronzing' on a T X M hybrid caused by this mite. Bronzing is not as distinctly compartmentalized as in T X D hybrids or P. trichocarpa.

Gene bank accession data: None

DAVFP: 25264

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus maximowiczii Henry X P. maximowiczii Henry

Year of collection (y-m-d): 1996-09-12

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Max X Max hybrid, clone #301-113. First record of 'leaf-bronzing' caused by this mite on this hybrid.

Gene bank accession data: None

DAVFP: 25265

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. nigra L.

Year of collection (y-m-d): 1996-09-12

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Clone #302-9. First record of 'leaf-bronzing' (distinct, orangy, compartmentalized) on a T X N hybrid caused by this mite.

Gene bank accession data: None

DAVFP: 25266

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-18

Map coordinates: 49.2461°N, 121.9696°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Harrison Mills, B.C.

Remarks: Scott Paper Plantation. The symptoms caused by this mite occur only on the underside of the leaf as bronzed areas. Marssonina sp. appears on both sides of the leaf as darker brown spots with fine grey centres.

Gene bank accession data: None

DAVFP: 25267

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-22

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Clone #20-74. Very distinct 'leaf-bronzing' on the underside of the leaves. Mites were identified.

Gene bank accession data: None

DAVFP: 25271

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3747°N, 128.9230°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Terrace, B.C.

Remarks: Esker overpass. Clone #60-290. Moderately heavy leaf-bronzing on the underside of the leaves.

Gene bank accession data: None

DAVFP: 25274

Other pest/damage: Aculus sp. nov.

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1997-05-22

Map coordinates: 48.4396°N, 123.3380°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Victoria, V.I., B.C.

Remarks: PFC. The undersurface, near the basal part, of the leaves have a brown discoloration associated with feeding and reproduction of this eriophyoid mite.

Gene bank accession data: None

DAVFP: 25275

Other pest/damage: Aceria parapopuli (Keifer)

Host name: Populus tremuloides Michx. var. vancouveriana (Trel. ex Tidestr.) Sarg.

Year of collection (y-m-d): 1997-05-28

Map coordinates: 48.4396°N, 123.3380°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Victoria, V.I., B.C.

Remarks: Gordon Head Rd. opposite Midgard (UVic). This bud gall has leaf tissue present as some shoots try to elongate and form leaves. The succulent bud tissue is red & cauliflower-like. An area of dead/hardened tissue is mite-free.

Gene bank accession data: None

DAVFP: 25280

Other pest/damage: Aculus sp. nov.

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1997-06-25

Map coordinates: 48.4396°N, 123.3380°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Victoria, V.I., B.C.

Remarks: PFC side parking lot. Clone #20-74. The discoloration of the undersurface of the leaves is associated with this new species of eriophyoid mite.

Gene bank accession data: None

DAVFP: 25389

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall

Year of collection (y-m-d): 1996-09-04

Map coordinates: 50.2161°N, 119.3127°W

Collector: Spencer, P.; Hunt, A.; Callan, B.

Determiner: Hunt, A.

Collection location: Vernon, B.C.

Remarks: Kalamalka Research Station. MoF hybrid poplar trial, pos'n #561. Hybrid clone #22-87. On Riker mount.

Gene bank accession data: None

DAVFP: 25285

Fungus name: Melampsora occidentalis H. Jacks.

Host name: Populus X jackii Sarg.

Year of collection (y-m-d): 1997-08-24

Map coordinates: 49.9407°N, 119.5783°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Kelowna, B.C.

Remarks: Bear Ck. near Kelowna. On the leaves. Also has Schizoempodium mesophyllincola on the leaves and Aceria parapopuli that caused the bud galls on the twigs.

Gene bank accession data: None

DAVFP: 25285

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus X jackii Sarg.

Year of collection (y-m-d): 1997-08-24

Map coordinates: 49.9407°N, 119.5783°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Kelowna, B.C.

Remarks: Bear Ck. near Kelowna. On the leaves. Also has Melampsora occidentalis on the leaves and Aceria parapopuli that caused the bud galls on the twigs.

Gene bank accession data: None

DAVFP: 25285

Other pest/damage: Aceria parapopuli (Keifer)

Host name: Populus X jackii Sarg.

Year of collection (y-m-d): 1997-08-24

Map coordinates: 49.9407°N, 119.5783°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Kelowna, B.C.

Remarks: Bear Ck. near Kelowna. Caused the bud galls on the twigs. Also has Schizoempodium mesophyllincola and Melampsora occidentalis on the leaves.

Gene bank accession data: None

DAVFP: 25284

Other pest/damage: Eriophyoidea

Host name: Populus tremuloides Michx.

Year of collection (y-m-d): 1997-07-17

Map coordinates: 52.1273°N, 123.2191°W

Collector: Rankin, L.

Determiner: Hunt, A.

Collection location: Alexis Creek, B.C.

Remarks: Leaf galls are located on both the adaxial and the abaxial leaf surfaces. A new species of eriophyoid mite was found associated with these galls.

Gene bank accession data: None

DAVFP: 25272

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3735°N, 128.4612°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Lakelse Lake, B.C.

Remarks: Lakelse Lake Park, S of Terrace. The native cottonwoods in this park had other disease symptoms on most leaves (e.g. Septoria, Melampsora).

Gene bank accession data: None

DAVFP: 25270

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3747°N, 128.9230°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Terrace, B.C.

Remarks: Esker overpass. This leaf has other pathogenic symptoms on it (e.g. Septoria).

Gene bank accession data: None

DAVFP: 25269

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-28

Map coordinates: 54.3745°N, 129.2309°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Terrace, B.C.

Remarks: Exchamsiks River Park, W of Terrace. 'Leaf bronzing', a compartmentalized browning on the underside of the leaves only, is caused by this mite.

Gene bank accession data: None

DAVFP: 25268

Other pest/damage: Schizoempodium mesophyllincola Oldfield, Hunt, & Gispert

Host name: (Populus trichocarpa Torr. & A. Gray ex Hook. X P. deltoides Marshall) X P. maximowiczii Henry

Year of collection (y-m-d): 1996-09-22

Map coordinates: 50.3832°N, 125.8836°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Sayward, V.I., B.C.

Remarks: MacBlo hybrid poplar plantation. Clone #233-3. This mite caused light 'leaf-bronzing' symptoms on the underside of the leaves.

Gene bank accession data: None

DAVFP: 25259

Other pest/damage: Aceria parapopuli (Keifer)

Host name: Populus trichocarpa Torr. & A. Gray

Year of collection (y-m-d): 1996-09-29

Map coordinates: 54.3735°N, 128.4612°W

Collector: Hunt, A.

Determiner: Hunt, A.

Collection location: Lakelse Lake, B.C.

Remarks: Lakelse Lake Park, S of Terrace (beach near headquarters). No mites were collected/mounted from these galls but these eriophyoid mite galls are known on black cottonwoods throughout BC. Also found on trembling aspen.

Gene bank accession data: None