| Affected Part |
|
Summary |
|
|
Taxon |
Vernacular |
Classification |
References |
Darwin Classification of Active Taxon |
Active Taxon |
Active Vernacular |
Active Taxon Uncertain |
Active State |
Active Part |
Active Stage |
Relationship |
Relationship Uncertain |
Relationship Geography |
Darwin Classification of Passive Taxon |
Passive Taxon |
Passive Vernacular |
Passive Taxon Uncertain |
Passive State |
Passive Part |
Passive Stage |
Passive Taxon's significance to Active Taxon |
Indoors etc |
Season |
Summary |
|
|
is associate of |
|
|
Magdalis cerasi |
a weevil |
Coleoptera: Curculionidae |
Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
|
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Magdalis cerasi/ | Magdalis cerasi | a weevil | | | | |
Plant / associate | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | | | |
| | is associated with |
|
|
has sap sucked by |
 |
|
Eulecanium excrescens |
Wisteria Scale |
Hemiptera: Coccidae |
CSL Pest Risk Analysis for Eulecanium excrescens, MacLeod, A. & Matthews, L., 2005
|
/Animalia/Arthropoda/Insecta/Hemiptera/Coccidae/Eulecanium excrescens/ | Eulecanium excrescens | wisteria scale | | | | |
Foodplant / sap sucker | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | | | |
| | sucks sap of |
| (dead) |
|
dead is decayed by not crowded, pustular to subdepressed, covered, then disc erumpent, dingy then blackish stroma of Cytospora coelomycetous anamorph |
  |
|
Cytospora rubescens f. crataegi |
a stromatic coelomycete |
Diaporthales: Valsaceae |
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
|
/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Cytospora rubescens f. crataegi/ | Cytospora rubescens f. crataegi | a stromatic coelomycete | | not crowded, pustular to subdepressed, covered, then disc erumpent, dingy then blackish | stroma | Cytospora coelomycetous anamorph |
Foodplant / saprobe | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | ? | dead | | | |
| | not crowded, pustular to subdepressed, covered, then disc erumpent, dingy then blackish stroma of Cytospora coelomycetous anamorph is saprobic on dead |
| bark (cankered) |
|
cankered bark may be infected and damaged by erumpent, clustered apothecium |
|
|
Pezicula corticola |
a discomycete |
Helotiales: Dermateaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Leotiomycetes/Helotiales/Dermateaceae/Pezicula corticola/ | Pezicula corticola | a discomycete | | erumpent, clustered | | apothecium |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | cankered | bark | | |
| | erumpent, clustered apothecium infects and damages cankered bark |
| bark (cankered) |
|
cankered bark may be infected and damaged by conidioma of Cryptosporiopsis coelomycetous anamorph |
|
|
Pezicula corticola |
a discomycete |
Helotiales: Dermateaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Leotiomycetes/Helotiales/Dermateaceae/Pezicula corticola/ | Pezicula corticola | a discomycete | | | conidioma | Cryptosporiopsis coelomycetous anamorph |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | cankered | bark | | |
| | conidioma of Cryptosporiopsis coelomycetous anamorph infects and damages cankered bark |
| branch (old) (thickly encrusted) |
|
thickly encrusted branch (old) has sap sucked by |
|
|
Pseudaulacaspis pentagona |
White Peach Scale |
Hemiptera: Diaspididae |
CSL Pest Risk Analysis for Pseudaulacaspis pentagona, MacLeod, A., 2007
|
/Animalia/Arthropoda/Insecta/Hemiptera/Diaspididae/Pseudaulacaspis pentagona/ | Pseudaulacaspis pentagona | white peach scale | | | | |
Foodplant / sap sucker | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | thickly encrusted | branch (old) | | |
| | sucks sap of thickly encrusted branch (old) |
| branch |
|
branch is decayed by subgregarious to densely scattered, covered then erumpent, blackish grey with paler roundish flat disc stroma of Cytospora coelomycetous anamorph |
|
|
Cytospora populina |
a valsoid pyrenomycete |
Diaporthales: Valsaceae |
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
|
/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Cytospora populina/ | Cytospora populina | a valsoid pyrenomycete | | subgregarious to densely scattered, covered then erumpent, blackish grey with paler roundish flat disc | stroma | Cytospora coelomycetous anamorph |
Foodplant / saprobe | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | branch | | |
| (10-5) | subgregarious to densely scattered, covered then erumpent, blackish grey with paler roundish flat disc stroma of Cytospora coelomycetous anamorph is saprobic on branch |
| branch (cankered) |
|
cankered branch may be infected and damaged by |
|
|
Neonectria galligena |
Apple and Pear Canker |
Hypocreales: Nectriaceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Nectriaceae/Neonectria galligena/ | Neonectria galligena | apple and pear canker | | | | |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | cankered | branch | | |
| | infects and damages cankered branch |
| branch (dead, corticate) |
|
dead, corticate branch is decayed by erumpent stroma |
 |
 |
Annulohypoxylon multiforme |
Birch Woodwart |
Xylariales: Xylariaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Sordariomycetes/Xylariales/Xylariaceae/Annulohypoxylon multiforme/ | Annulohypoxylon multiforme | birch woodwart | | erumpent | | stroma |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead, corticate | branch | | Minor |
| (10-4) | erumpent stroma is saprobic on dead, corticate branch |
| branch (dead, decorticate, attached) |
|
dead, decorticate, attached branch is decayed by fruitbody |
|
|
Vuilleminia cystidiata |
a resupinate basidiomycete |
Corticiales: Corticiaceae |
British Vuilleminia species, Morris, I. & Roberts, P., 1997
|
/Fungi/Basidiomycota/Agaricomycetes/Corticiales/Corticiaceae/Vuilleminia cystidiata/ | Vuilleminia cystidiata | a resupinate basidiomycete | | | | fruitbody |
Foodplant / saprobe | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead, decorticate, attached | branch | | |
| | fruitbody is saprobic on dead, decorticate, attached branch |
| branch (dead, decorticate) |
|
dead, decorticate branch is decayed by effuse stroma |
|
|
Annulohypoxylon multiforme |
Birch Woodwart |
Xylariales: Xylariaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Sordariomycetes/Xylariales/Xylariaceae/Annulohypoxylon multiforme/ | Annulohypoxylon multiforme | birch woodwart | | effuse | | stroma |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead, decorticate | branch | | Minor |
| (10-4) | effuse stroma is saprobic on dead, decorticate branch |
| branch (dead) |
|
dead branch is decayed by erumpent stroma |
|
|
Potebniamyces pyri |
a discomycete |
Rhytismatales: Cryptomycetaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Cryptomycetaceae/Potebniamyces pyri/ | Potebniamyces pyri | a discomycete | | erumpent | | stroma |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead | branch | | |
| (9-11) | erumpent stroma is saprobic on dead branch |
| branch (dead) |
|
dead branch is decayed by conidioma of Phacidiopsis anamorph |
|
|
Potebniamyces pyri |
a discomycete |
Rhytismatales: Cryptomycetaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Cryptomycetaceae/Potebniamyces pyri/ | Potebniamyces pyri | a discomycete | | | conidioma | Phacidiopsis anamorph |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead | branch | | |
| | conidioma of Phacidiopsis anamorph is saprobic on dead branch |
| branch (dead) |
|
dead branch is decayed by immersed, stromatic, solitary or in small groups perithecium |
|
|
Potebniamyces pyri |
a discomycete |
Rhytismatales: Cryptomycetaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Cryptomycetaceae/Potebniamyces pyri/ | Potebniamyces pyri | a discomycete | | immersed, stromatic, solitary or in small groups | | perithecium |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead | branch | | |
| (9-11) | immersed, stromatic, solitary or in small groups perithecium is saprobic on dead branch |
| branch (dead) |
|
dead branch is decayed by Nodulisporium anamorph |
|
|
Annulohypoxylon multiforme |
Birch Woodwart |
Xylariales: Xylariaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Sordariomycetes/Xylariales/Xylariaceae/Annulohypoxylon multiforme/ | Annulohypoxylon multiforme | birch woodwart | | | | Nodulisporium anamorph |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead | branch | | Minor |
| (10-4) | Nodulisporium anamorph is saprobic on dead branch |
| branch (live, decorticate) |
|
live, decorticate branch is decayed by fruitbody |
|
|
Vuilleminia cystidiata |
a resupinate basidiomycete |
Corticiales: Corticiaceae |
British Vuilleminia species, Morris, I. & Roberts, P., 1997
|
/Fungi/Basidiomycota/Agaricomycetes/Corticiales/Corticiaceae/Vuilleminia cystidiata/ | Vuilleminia cystidiata | a resupinate basidiomycete | | | | fruitbody |
Foodplant / saprobe | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live, decorticate | branch | | |
| | fruitbody is saprobic on live, decorticate branch |
| branch (live) |
|
live branch is decayed by densely encrusting |
|
|
Lepidosaphes ulmi |
Mussel Scale |
Hemiptera: Coccidae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Animalia/Arthropoda/Insecta/Hemiptera/Coccidae/Lepidosaphes ulmi/ | Lepidosaphes ulmi | mussel scale | | densely encrusting | | |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | branch | | |
| | densely encrusting is saprobic on live branch |
| bud (vegetative) |
|
bud (vegetative) may contain larva |
|
|
Temnocerus longiceps |
a leafroller weevil |
Coleoptera: Rhynchitidae |
Orthocerous Weevils, Morris, M.G., 1990
|
/Animalia/Arthropoda/Insecta/Coleoptera/Rhynchitidae/Temnocerus longiceps/ | Temnocerus longiceps | a leafroller weevil | | | | larva |
Foodplant / internal feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | bud (vegetative) | | |
| | larva feeds within bud (vegetative) |
| bud scale (live) |
|
live bud scale may be infected and damaged by colony of Fusicladium dematiaceous anamorph |
|
|
Venturia pyrina |
Pear Scab - causative organism |
Venturiales: Venturiaceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Dothideomycetes/Venturiales/Venturiaceae/Venturia pyrina/ | Venturia pyrina | pear scab (causative organism) | | | colony | Fusicladium dematiaceous anamorph |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | bud scale | | |
| | colony of Fusicladium dematiaceous anamorph infects and damages live bud scale |
| cambium of dead twig (below) |
|
below cambium of dead twig is mined by larva |
|
|
Magdalis barbicornis |
Pear Weevil |
Coleoptera: Curculionidae |
True Weevils (Part I): Family Curculionidae, subfamilies Raymondionyminae to Smicronychinae, Morris, M.G., 2002
|
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Magdalis barbicornis/ | Magdalis barbicornis | pear weevil | | | | larva |
Foodplant / miner | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | below | cambium of dead twig | | |
| | larva mines below cambium of dead twig |
| cambium |
|
cambium may contain larva |
|
|
Scolytus mali |
Large Fruit Bark Beetle |
Coleoptera: Curculionidae |
Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
|
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Scolytus mali/ | Scolytus mali | large fruit bark beetle | | | | larva |
Foodplant / internal feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | cambium | | |
| | larva feeds within cambium |
| cambium |
|
cambium may contain larva |
|
|
Scolytus rugulosus |
Fruit Bark Beetle, Shothole Borer (Small Fruit Bark Beetle) |
Coleoptera: Curculionidae |
Host Plants of British Beetles: A List of Recorded Associations, Bullock, J.A., 1992
|
/Animalia/Arthropoda/Insecta/Coleoptera/Curculionidae/Scolytus rugulosus/ | Scolytus rugulosus | fruit bark beetle, shothole borer (small fruit bark beetle) | | | | larva |
Foodplant / internal feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | cambium | | |
| | larva feeds within cambium |
| flower (live) |
|
live flower may be infected and damaged by colony of Fusicladium dematiaceous anamorph |
|
|
Venturia pyrina |
Pear Scab - causative organism |
Venturiales: Venturiaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Dothideomycetes/Venturiales/Venturiaceae/Venturia pyrina/ | Venturia pyrina | pear scab (causative organism) | | | colony | Fusicladium dematiaceous anamorph |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | flower | | |
| | colony of Fusicladium dematiaceous anamorph infects and damages live flower |
| fruit (young) (blackened, distorted, prematurely falling) |
|
blackened, distorted, prematurely falling fruit (young) may contain communal larva |
|
|
Contarinia pyrivora |
Pear Midge |
Diptera: Cecidomyiidae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
|
/Animalia/Arthropoda/Insecta/Diptera/Cecidomyiidae/Contarinia pyrivora/ | Contarinia pyrivora | pear midge | | communal | | larva |
Foodplant / internal feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | blackened, distorted, prematurely falling | fruit (young) | | |
| | communal larva feeds within blackened, distorted, prematurely falling fruit (young) |
| fruit (live, distorted) |
|
live, distorted fruit may be infected and damaged by colony of Fusicladium dematiaceous anamorph |
|
|
Venturia pyrina |
Pear Scab - causative organism |
Venturiales: Venturiaceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Dothideomycetes/Venturiales/Venturiaceae/Venturia pyrina/ | Venturia pyrina | pear scab (causative organism) | | | colony | Fusicladium dematiaceous anamorph |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live, distorted | fruit | | |
| | colony of Fusicladium dematiaceous anamorph infects and damages live, distorted fruit |
| fruit (young, swollen, prematurely falling) |
|
young, swollen, prematurely falling fruit is galled by communal larva |
|
|
Contarinia pyrivora |
Pear Midge |
Diptera: Cecidomyiidae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
|
/Animalia/Arthropoda/Insecta/Diptera/Cecidomyiidae/Contarinia pyrivora/ | Contarinia pyrivora | pear midge | | communal | | larva |
Foodplant / gall | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | young, swollen, prematurely falling | fruit | | |
| | communal larva causes gall of young, swollen, prematurely falling fruit |
| leaf |
|
leaf is grazed by epiphyllous larva |
 |
|
Caliroa cerasi |
Pear and Cherry Slug Sawfly |
Hymenoptera: Tenthredinidae |
Hymenoptera: 2. Symphyta. Section (b), Benson, R.B., 1952
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Caliroa cerasi/ | Caliroa cerasi | pear and cherry slug sawfly | | epiphyllous | | larva |
Foodplant / open feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | leaf | | Major |
| (6-9) | epiphyllous larva grazes on leaf |
| leaf |
|
leaf is grazed by larva |
|
|
Cladius compressicornis |
a sawfly |
Hymenoptera: Tenthredinidae |
Hymenoptera: 2. Symphyta. Section (c), Benson, R.B., 1958
|
/Animalia/Arthropoda/Insecta/Hymenoptera/Tenthredinidae/Cladius compressicornis/ | Cladius compressicornis | a sawfly | | | | larva |
Foodplant / open feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | leaf | | |
| | larva grazes on leaf |
| leaf (dead, fallen, overwintered, rotting) |
|
dead, fallen, overwintered, rotting leaf is decayed by immersed pseudothecium |
|
|
Venturia pyrina |
Pear Scab - causative organism |
Venturiales: Venturiaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Dothideomycetes/Venturiales/Venturiaceae/Venturia pyrina/ | Venturia pyrina | pear scab (causative organism) | | immersed | | pseudothecium |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead, fallen, overwintered, rotting | leaf | | |
| | immersed pseudothecium is saprobic on dead, fallen, overwintered, rotting leaf |
| leaf (live, blistered) |
|
live, blistered leaf is galled by infection |
|
|
Taphrina bullata |
a tongue fungus |
Taphrinales: Taphrinaceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Taphrinomycetes/Taphrinales/Taphrinaceae/Taphrina bullata/ | Taphrina bullata | a tongue fungus | | | | infection |
Foodplant / gall | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live, blistered | leaf | | |
| | infection causes gall of live, blistered leaf |
| leaf (live) |
|
live leaf is galled by |
|
|
Eriophyes pyri |
Pear Leaf Bister Mite |
Trombidiformes: Eriophyidae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
|
/Animalia/Arthropoda/Arachnida/Trombidiformes/Eriophyidae/Eriophyes pyri/ | Eriophyes pyri | pear leaf bister mite | | | | |
Foodplant / gall | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | Major |
| | causes gall of live leaf |
| leaf (live) |
|
live leaf is galled by larva |
|
|
Dasineura pyri |
a gall midge |
Diptera: Cecidomyiidae |
Provisional Keys to British Plant Galls, Stubbs, F.B. (Editor), 1986
|
/Animalia/Arthropoda/Insecta/Diptera/Cecidomyiidae/Dasineura pyri/ | Dasineura pyri | a gall midge | | | | larva |
Foodplant / gall | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| | larva causes gall of live leaf |
| leaf (live) |
|
live leaf is rolled by larva |
|
|
Dasineura pyri |
a gall midge |
Diptera: Cecidomyiidae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Animalia/Arthropoda/Insecta/Diptera/Cecidomyiidae/Dasineura pyri/ | Dasineura pyri | a gall midge | | | | larva |
Foodplant / roller | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| | larva rolls live leaf |
| leaf (live) |
|
live leaf is spotted by epiphyllous, immersed pycnidium of Phoma coelomycetous anamorph |
|
|
Mycosphaerella pomi |
an ascomycete |
Capnodiales: Mycosphaerellaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Mycosphaerella pomi/ | Mycosphaerella pomi | an ascomycete | | epiphyllous, immersed | pycnidium | Phoma coelomycetous anamorph |
Foodplant / spot causer | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| (8-11) | epiphyllous, immersed pycnidium of Phoma coelomycetous anamorph causes spots on live leaf |
| leaf (live) |
|
live leaf is spotted by pycnidium of Phoma coelomycetous anamorph |
|
|
Phoma prunicola |
Apple and Pear Leaf Spot |
Pleosporales |
Phoma prunicola (Opiz) Wollenw. & Hochapf., Morgan-Jones, G., 1967
|
/Fungi/Ascomycota/Dothideomycetes/Pleosporales/Phoma prunicola/ | Phoma prunicola | apple and pear leaf spot | | | pycnidium | Phoma coelomycetous anamorph |
Foodplant / spot causer | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| | pycnidium of Phoma coelomycetous anamorph causes spots on live leaf |
| leaf (live) |
|
live leaf may be infected and damaged by colony of Fusicladium dematiaceous anamorph |
|
|
Venturia pyrina |
Pear Scab - causative organism |
Venturiales: Venturiaceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Dothideomycetes/Venturiales/Venturiaceae/Venturia pyrina/ | Venturia pyrina | pear scab (causative organism) | | | colony | Fusicladium dematiaceous anamorph |
Foodplant / pathogen | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| | colony of Fusicladium dematiaceous anamorph infects and damages live leaf |
| leaf (live) |
|
live leaf is galled by mostly hypophyllous aecium |
|
|
Gymnosporangium asiaticum |
Japanese Pear Rust |
Pucciniales: Pucciniaceae |
Gymnosporangium asiaticum Miyabe ex Yamada, Laundon, G., 1977
|
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Gymnosporangium asiaticum/ | Gymnosporangium asiaticum | Japanese pear rust | | mostly hypophyllous | | aecium |
Foodplant / gall | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| | mostly hypophyllous aecium causes gall of live leaf |
| leaf (live) |
|
live leaf is parasitised by epiphyllous pycnium |
|
|
Gymnosporangium asiaticum |
Japanese Pear Rust |
Pucciniales: Pucciniaceae |
Gymnosporangium asiaticum Miyabe ex Yamada, Laundon, G., 1977
|
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Gymnosporangium asiaticum/ | Gymnosporangium asiaticum | Japanese pear rust | | epiphyllous | | pycnium |
Foodplant / parasite | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | |
| | epiphyllous pycnium parasitises live leaf |
| leaf (live) |
|
live leaf is galled by hypophyllous aecium |
 |
|
Gymnosporangium sabinae |
European Pear Rust |
Pucciniales: Pucciniaceae |
Gymnosporangium fuscum DC., Laundon, G., 1977
|
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Gymnosporangium sabinae/ | Gymnosporangium sabinae | european pear rust | | hypophyllous | | aecium |
Foodplant / gall | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | Sole |
| (7-9) | hypophyllous aecium causes gall of live leaf |
| leaf (live) |
|
live leaf is parasitised by epiphyllous pycnium |
|
|
Gymnosporangium sabinae |
European Pear Rust |
Pucciniales: Pucciniaceae |
Gymnosporangium fuscum DC., Laundon, G., 1977
|
/Fungi/Basidiomycota/Pucciniomycetes/Pucciniales/Pucciniaceae/Gymnosporangium sabinae/ | Gymnosporangium sabinae | european pear rust | | epiphyllous | | pycnium |
Foodplant / parasite | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | leaf | | Sole |
| | epiphyllous pycnium parasitises live leaf |
| root (dead) |
|
dead root is decayed by fruitbody |
|
|
Grifola frondosa |
Hen Of The Woods |
Polyporales: Meripilaceae |
Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
|
/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Meripilaceae/Grifola frondosa/ | Grifola frondosa | hen of the woods | | | | fruitbody |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | dead | root | | |
| | fruitbody is saprobic on dead root |
| root (live) |
|
live root is parasitised by fruitbody |
|
|
Grifola frondosa |
Hen Of The Woods |
Polyporales: Meripilaceae |
Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
|
/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Meripilaceae/Grifola frondosa/ | Grifola frondosa | hen of the woods | | | | fruitbody |
Foodplant / parasite | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | root | | |
| | fruitbody parasitises live root |
| shoot (decaying) |
|
decaying shoot may contain larva |
|
|
Involvulus icosandriae |
Apple Twig Cutter, Twig Cutting Weevil, Twig-cutting Weevil |
Coleoptera: Rhynchitidae |
Orthocerous Weevils, Morris, M.G., 1990
|
/Animalia/Arthropoda/Insecta/Coleoptera/Rhynchitidae/Involvulus icosandriae/ | Involvulus icosandriae | apple twig cutter, twig cutting weevil, twig-cutting weevil | | | | larva |
Foodplant / internal feeder | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | decaying | shoot | | |
| | larva feeds within decaying shoot |
| stem (woody) (live) |
|
live stem (woody) is decayed by densely encrusting |
|
|
Lepidosaphes ulmi |
Mussel Scale |
Hemiptera: Coccidae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Animalia/Arthropoda/Insecta/Hemiptera/Coccidae/Lepidosaphes ulmi/ | Lepidosaphes ulmi | mussel scale | | densely encrusting | | |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | live | stem (woody) | | |
| | densely encrusting is saprobic on live stem (woody) |
| trunk (thickly encrusted) |
|
thickly encrusted trunk has sap sucked by |
|
|
Pseudaulacaspis pentagona |
White Peach Scale |
Hemiptera: Diaspididae |
CSL Pest Risk Analysis for Pseudaulacaspis pentagona, MacLeod, A., 2007
|
/Animalia/Arthropoda/Insecta/Hemiptera/Diaspididae/Pseudaulacaspis pentagona/ | Pseudaulacaspis pentagona | white peach scale | | | | |
Foodplant / sap sucker | | Foreign |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | thickly encrusted | trunk | | |
| | sucks sap of thickly encrusted trunk |
| trunk (wounded) |
|
wounded trunk is parasitised by fruitbody |
|
|
Polyporus squamosus |
Dryad’s Saddle |
Polyporales: Polyporaceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/ | Polyporus squamosus | dryad’s saddle | | | | fruitbody |
Foodplant / parasite | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | wounded | trunk | | |
| | fruitbody parasitises wounded trunk |
| twig |
|
twig is decayed by subgregarious to densely scattered, covered then erumpent, blackish grey with paler roundish flat disc stroma of Cytospora coelomycetous anamorph |
|
|
Cytospora populina |
a valsoid pyrenomycete |
Diaporthales: Valsaceae |
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
|
/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Valsaceae/Cytospora populina/ | Cytospora populina | a valsoid pyrenomycete | | subgregarious to densely scattered, covered then erumpent, blackish grey with paler roundish flat disc | stroma | Cytospora coelomycetous anamorph |
Foodplant / saprobe | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | twig | | |
| (10-5) | subgregarious to densely scattered, covered then erumpent, blackish grey with paler roundish flat disc stroma of Cytospora coelomycetous anamorph is saprobic on twig |
| wood |
|
wood is decayed by immersed, often loosely grouped perithecium |
|
|
Diaporthe eres |
a pyrenomycete |
Diaporthales: Diaporthaceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
|
/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Diaporthaceae/Diaporthe eres/ | Diaporthe eres | a pyrenomycete | | immersed, often loosely grouped | | perithecium |
Foodplant / saprobe | | |
/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/ | Pyrus | pears | | | wood | | |
| | immersed, often loosely grouped perithecium is saprobic on wood |
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