Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Epitrimerus pyri
(pear rust mite)

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Datasheet

Epitrimerus pyri (pear rust mite)

Summary

  • Last modified
  • 16 November 2021
  • Datasheet Type(s)
  • Pest
  • Preferred Scientific Name
  • Epitrimerus pyri
  • Preferred Common Name
  • pear rust mite
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Metazoa
  •     Phylum: Arthropoda
  •       Subphylum: Chelicerata
  •         Class: Arachnida

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Pictures

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PictureTitleCaptionCopyright
In situ scanning electron micrograph of adult E. pyri.
TitleSEM of Adult
CaptionIn situ scanning electron micrograph of adult E. pyri.
CopyrightJ.C. Bergh
In situ scanning electron micrograph of adult E. pyri.
SEM of AdultIn situ scanning electron micrograph of adult E. pyri.J.C. Bergh
In situ scanning electron micrograph of adult protogyne female E. pyri.
TitleSEM of adult protogyne female
CaptionIn situ scanning electron micrograph of adult protogyne female E. pyri.
CopyrightJ.C. Bergh
In situ scanning electron micrograph of adult protogyne female E. pyri.
SEM of adult protogyne femaleIn situ scanning electron micrograph of adult protogyne female E. pyri.J.C. Bergh
In situ scanning electron micrograph of deutogyne females of E. pyri overwintering under a bud scale.
TitleSEM of deutogyne females
CaptionIn situ scanning electron micrograph of deutogyne females of E. pyri overwintering under a bud scale.
CopyrightJ.C. Bergh
In situ scanning electron micrograph of deutogyne females of E. pyri overwintering under a bud scale.
SEM of deutogyne femalesIn situ scanning electron micrograph of deutogyne females of E. pyri overwintering under a bud scale.J.C. Bergh
In situ scanning electron micrograph of overwintering deutogyne female of E. pyri.
TitleSEM of deutogyne female
CaptionIn situ scanning electron micrograph of overwintering deutogyne female of E. pyri.
CopyrightJ.C. Bergh
In situ scanning electron micrograph of overwintering deutogyne female of E. pyri.
SEM of deutogyne femaleIn situ scanning electron micrograph of overwintering deutogyne female of E. pyri.J.C. Bergh
In situ close-up scanning electron micrograph of overwintering deutogyne female of E. pyri.
TitleSEM of deutogyne female (close-up)
CaptionIn situ close-up scanning electron micrograph of overwintering deutogyne female of E. pyri.
CopyrightJ.C. Bergh
In situ close-up scanning electron micrograph of overwintering deutogyne female of E. pyri.
SEM of deutogyne female (close-up)In situ close-up scanning electron micrograph of overwintering deutogyne female of E. pyri.J.C. Bergh
Pear shoot showing extensive E. pyri feeding damage (browning) on underside of leaves.
TitleFeeding damage
CaptionPear shoot showing extensive E. pyri feeding damage (browning) on underside of leaves.
CopyrightJ.C. Bergh
Pear shoot showing extensive E. pyri feeding damage (browning) on underside of leaves.
Feeding damagePear shoot showing extensive E. pyri feeding damage (browning) on underside of leaves.J.C. Bergh
Young pears showing E. pyri feeding damage.
TitleFeeding damage
CaptionYoung pears showing E. pyri feeding damage.
CopyrightJ.C. Bergh
Young pears showing E. pyri feeding damage.
Feeding damageYoung pears showing E. pyri feeding damage.J.C. Bergh
Undamaged (1) and severely damaged (russetted) (2) pears.
TitleDamaged pear fruits
CaptionUndamaged (1) and severely damaged (russetted) (2) pears.
CopyrightJ.C. Bergh
Undamaged (1) and severely damaged (russetted) (2) pears.
Damaged pear fruitsUndamaged (1) and severely damaged (russetted) (2) pears.J.C. Bergh

Identity

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Preferred Scientific Name

  • Epitrimerus pyri Nalepa, 1891

Preferred Common Name

  • pear rust mite

Other Scientific Names

  • Epitrimerus pirifoliae Keifer
  • Trimerus piri Nalepa, 1892

International Common Names

  • Spanish: acaro del agamuzado del peral

EPPO code

  • EPITPI (Epitrimerus pyri)

Taxonomic Tree

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  • Domain: Eukaryota
  •     Kingdom: Metazoa
  •         Phylum: Arthropoda
  •             Subphylum: Chelicerata
  •                 Class: Arachnida
  •                     Subclass: Acari
  •                         Superorder: Acariformes
  •                             Suborder: Prostigmata
  •                                 Family: Eriophyidae
  •                                     Genus: Epitrimerus
  •                                         Species: Epitrimerus pyri

Distribution Table

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The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Last updated: 25 Feb 2021
Continent/Country/Region Distribution Last Reported Origin First Reported Invasive Reference Notes

Asia

TurkeyPresent

Europe

BelgiumPresent
BulgariaPresent
Federal Republic of YugoslaviaPresent
GermanyPresent
ItalyPresent
PolandPresent
RussiaPresent
SloveniaPresentOriginal citation: Modic and ?kerlavaj (2008)
SwitzerlandPresent
United KingdomPresent

North America

CanadaPresentPresent based on regional distribution.
-British ColumbiaPresent, Localized
-Nova ScotiaPresent, Localized
-OntarioPresent
United StatesPresentPresent based on regional distribution.
-CaliforniaPresent
-New YorkPresent
-OregonPresent, Widespread

Oceania

AustraliaPresent
New ZealandPresent

South America

ArgentinaPresent
ChilePresent

Growth Stages

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Flowering stage, Fruiting stage, Post-harvest, Vegetative growing stage

List of Symptoms/Signs

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SignLife StagesType
Fruit / discoloration
Fruit / external feeding
Fruit / malformed skin
Growing point / external feeding
Leaves / abnormal colours
Leaves / abnormal leaf fall
Leaves / external feeding
Stems / external feeding
Whole plant / external feeding

Natural enemies

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Natural enemyTypeLife stagesSpecificityReferencesBiological control inBiological control on
Anthocoris Predator Adults; Arthropods|Nymphs
Campylomma verbasci Predator Adults; Arthropods|Nymphs
Deraeocoris Predator Adults; Arthropods|Nymphs
Metaseiulus occidentalis Predator Adults; Arthropods|Nymphs
Typhlodromus pyri Predator Adults; Arthropods|Nymphs

References

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Baillod M; Oppikofer A; Antonin P, 1991. Pear russet caused by pear rust mite, Epitrimerus pyri (Nalepa), in Valais. Revue Suisse de Viticulture, d'Arboriculture et d'Horticulture, 23(2):87-92

Bergh JC, 1992. Monitoring the emergence and behavior of pear rust mite (Acarina: Eriophyidae) deutogynes using sticky-band traps. Journal of Economic Entomology, 85(5):1754-1761

Bergh JC, 1994. Pear rust mite (Acari: Eriophyidae) fecundity and development at constant temperatures. Environmental Entomology, 23(2):420-424

Bergh JC; Judd GJR, 1993. Degree-day model for predicting emergence of pear rust mite (Acari: Eriophyidae) deutogynes from overwintering sites. Environmental Entomology, 22(6):1325-1332

Bergh JC; Weiss CR, 1993. Pear rust mite, Epitrimerus pyri (Acari: Eriophyidae) oviposition and nymphal development on Pyrus and non-Pyrus hosts. Experimental & Applied Acarology, 17(3):215-224

Denİzhan, E., 2018. Eriophyoid mites (Acari: Eriophyoidea) on fruit trees in Yalova, Turkey. Yüzüncü Yil Üniversitesi Journal of Agricultural Sciences, 28(3), 285-288. https://dergipark.org.tr/en/download/article-file/562231

Downing RS; Moilliet TK, 1969. Control of the pear rust mite, Epitrimerus pyri (Acarina: Eriophyidae). Canadian Entomologist, 101:1000-1002.

Easterbrook MA, 1978. The life-history and bionomics of Epitrimerus piri (Acarina: Eriophyidae) on pear. Annals of Applied Biology, 88(1):13-22

Easterbrook MA, 1996. Damage and control of eriophyoid mites in apple and pear. In: Lindquist EE, Sabelis MW, Bruin J, eds. Eriophyoid Mites - Their Biology, Natural Enemies and Control. World Crop Pests, 527-541.

Gonzalez RH, 1985. Eriophyid apple and pear mites in Chile (Acarina: Eriophyidae). Revista Chilena de Entomologia, 12:77-84

Henderson CF; McBurnie HS, 1943. Sampling technique for determining populations of the citrus red mite and its predators. United States Department of Agriculture Circular, 671.

Herbert HJ, 1979. Population trends and behavior of the pear rust mite, Epitrimerus pyri (Prostigmata: Eriophyoidea), on pears in Nova Scotia. Canadian Entomologist, 111(8):955-957

Herne D; Simpson C, 1976. The pear rust mite. Canadian Fruit Grower, 32:6-7.

Injac M; Dulic K; Petanovic R, 1988. Occurrence of Epitrimerus pyri Nal. (Acarida: Eriophyidae) and the results of control. Zastita Bilja, 39(2):125-132

Jeppson LR; Keifer HH; Baker EW, 1975. Mites Injurious to Economic Plants. Berkeley, USA: University of California Press.

Keifer HH, 1938. Eriophyid studies II. Bulletin of the California Department of Agriculture, 27:301-323.

Keifer HH, 1952. The eriophyid mites of California. Bulletin of the California Insect Survey, 2. Berkeley and Los Angeles, USA: University of California Press.

Knihinicki DK; Boczek J, 2002. New eriophyoid mites (Acari: Eriophyoidea) from Australia. International Journal of Acarology, 28(3):241-249.

Kozlowski J, 1983. Observations on the overwintering of gall mites (Acarina: Eriophyoidea) on fruit trees. Prace Naukowe Instytutu Ochrony Roslin, 25(1):99-109

Laffi F, 1983. Control tests against the pear rust mite (Epitrimerus pyri Nal.). Informatore Fitopatologico, 33(9):49-54

Lindquist EE; Amrine JW, 1996. In: Lindquist EE, Sabelis MW, Bruin J, eds. Eriophyoid Mites: Their Biology, Natural Enemies and Control. Amsterdam, The Netherlands: Elsevier, 33-87.

Manson DCM, 1984. Eriophyoidea except Eriophyinp (Arachnida: Acari). Fauna of New Zealand, No. 4. DSIR, Wellington, New Zealand: Science Information Publishing Centre.

Meyer MKPS; Ueckermann EA, 1990. African Eriophyoidea: the genus Epitrimerus Nalepa, 1898 (Acari: Eriophyidae). Phytophylactica, 22(4):387-391

Modic ?; ?kerlavaj V, 2008. The most important pests of apple and pear trees. (Pomembnej?i ?kodljivci jablan in hru?k.) SAD, Revija za Sadjarstvo, Vinogradni?tvo in Vinarstvo, 19(10):3-6. http://www.sad.si

Morgan CVG; Arrand JC, 1969. Pear rust mite and its control in British Columbia. Report of British Columbia Department of Agriculture, Entomology Branch, 4 pp.

Nachev P, 1976. Studies on eriophyid mites in Bulgaria. IX. Eriophyid mites on pear trees (Acarina, Eriophyoidea). Rastitelnozashchitna Nauka, No.3:70-76

Nalepa A, 1891. Genera und species der familie Phytoptida. Denkschriften der kaiserlichen Akademie der Wissenschaften. Mathematische-naturwissenschaftliche Klasse Wein, 58:883.

Nalepa A, 1898. Neue gallmilben (16. Fortsetzung). Anzeiger der kaiserlichen Akademie Wissenschaften. Mathematische-naturwissenschaft-liche Klasse Wien, 35(17):163-164.

Oldfield GN, 1973. Sperm storage in female Eriophyoidea (Acarina). Annals of the Entomological Society of America, 66(5):1089-1092

Paternotte E, 1997. Expected insect pests on pears during 1998. Fruitteelt-nieuws, 10(24):27-28.

Pechuman LL, 1943. Epitrimerus pyri Nal. in New York. Journal of Economic Entomology, 36:116.

Riedl H; Hoying SA, 1980. Impact of fenvalerate and diflubenzuron on target and nontarget arthropod species on Bartlett pears in northern California. Journal of Economic Entomology, 73(1):117-122

Schliesske J, 1992. The free-living gall mite species (Acari: Eriophyoidea) on pomes and stone fruits and their natural enemies in Northern Germany. Acta Phytopathologica et Entomologica Hungarica, 27(1-4):583-586

Shvanderov FA, 1984. Gall mites on pear. Zashchita Rastenii, No. 8:48-49

Vermeulen J; Cichon L; Parra E, 1987. Pear blister mite (Epitrimerus pyri, Nalepa). Acaro del agamuzado del peral (Epitrimerus pyri, Nalepa): biologia y control. Rio Negro, Argentina: Estacion Experimental Agropecuaria Alto Valle, 11 pp.

Westigard PH, 1969. Timing and evaluation of pesticides for control of the pear rust mite. Journal of Economic Entomology, 62:1158-1161.

Westigard PH, 1975. Population injury levels and sampling of the pear rust mite on pears in southern Oregon. Journal of Economic Entomology, 68(6):786-790

Westigard PH; Berry DW, 1964. Control of the pear rust mite, Epitrimerus pyri. Journal of Economic Entomology, 57:953-955.

Westigard PH; Lombard PB; Berry DW, 1979. Integrated pest management of insects and mites attacking pears in southern Oregon. Station Bulletin, Agricultural Experiment Station, Oregon State University, No. 634:41 pp.

Distribution References

Baillod M, Oppikofer A, Antonin P, 1991. Pear russet caused by pear rust mite, Epitrimerus pyri (Nalepa), in Valais. (Roussissure des poires causée par l'ériophyide libre du poirier, Epitrimerus pyri (Nalepa), en Valais.). Revue Suisse de Viticulture, d'Arboriculture et d'Horticulture. 23 (2), 87-92.

Bergh J C, 1994. Pear rust mite (Acari: Eriophyidae) fecundity and development at constant temperatures. Environmental Entomology. 23 (2), 420-424. DOI:10.1093/ee/23.2.420

CABI, Undated. Compendium record. Wallingford, UK: CABI

CABI, Undated a. CABI Compendium: Status inferred from regional distribution. Wallingford, UK: CABI

Denİzhan E, 2018. Eriophyoid mites (Acari: Eriophyoidea) on fruit trees in Yalova, Turkey. Yüzüncü Yil Üniversitesi Journal of Agricultural Sciences. 28 (3), 285-288. https://dergipark.org.tr/en/download/article-file/562231

Easterbrook M A, 1978. The life-history and bionomics of Epitrimerus piri (Acarina: Eriophyidae) on pear. Annals of Applied Biology. 88 (1), 13-22. DOI:10.1111/j.1744-7348.1978.tb00673.x

González R H, 1985. Eriophyid apple and pear mites in Chile (Acarina: Eriophyidae). (Ácaros eriófidos del manzano y del peral en Chile (Acarina: Eriophyidae).). Revista Chilena de Entomología. 77-84.

Herbert H J, 1979. Population trends and behavior of the pear rust mite, Epitrimerus pyri (Prostigmata: Eriophyoidea), on pears in Nova Scotia. Canadian Entomologist. 111 (8), 955-957.

Herne D, Simpson C, 1976. The pear rust mite. In: Canadian Fruit Grower, 32 6-7.

Injac M, Dulić K, Petanović R, 1988. Occurrence of Epitrimerus pyri Nal. (Acarida: Eriophyidae) and the results of control. (Pojava Epitrimerus pyri Nal. (Acarida: Eriophyidae) i rezultati ogleda suzbijanja.). Zaštita Bilja. 39 (2), 125-132.

Knihinicki D K, Boczek J, 2002. New eriophyoid mites (Acari: Eriophyoidea) from Australia. International Journal of Acarology. 28 (3), 241-249.

Kozłowski J, 1983. Observations on the overwintering of gall mites (Acarina: Eriophyoidea) on fruit trees. (Z badań nad zimowaniem szpecieli (Acarina: Eriophyoidea) na drzewach owocowych.). Prace Naukowe Instytutu Ochrony Roślin. 25 (1), 99-109.

Laffi F, 1983. Control tests against the pear rust mite (Epitrimerus pyri Nal.). (Prove di lotta contro l'eriofide rugginoso del pero (Epitrimerus pyri Nal.).). Informatore Fitopatologico. 33 (9), 49-54.

Manson D C M, 1984. Fauna of New Zealand. 142 pp.

Nachev P, 1976. Studies on eriophyid mites in Bulgaria. IX. Eriophyid mites on pear trees (Acarina, Eriophyoidea). Rastitelnozashchitna Nauka. 70-76.

Paternotte E, 1997. Expected insect pests on pears during 1998. (De te verwachten parasieten op perenbomen in 1998.). Fruitteelt-nieuws. 10 (24), 27-28.

Pechuman L L, 1943. Epitrimerus pyri Nal. in New York. Journal of Economic Entomology. 36 (1), 116 p. DOI:10.1093/jee/36.1.116a

Riedl H, Hoying S A, 1980. Impact of fenvalerate and diflubenzuron on target and nontarget arthropod species on Bartlett pears in northern California. Journal of Economic Entomology. 73 (1), 117-122. DOI:10.1093/jee/73.1.117

Schliesske J, 1992. The free-living gall mite species (Acari: Eriophyoidea) on pomes and stone fruits and their natural enemies in Northern Germany. In: Acta Phytopathologica et Entomologica Hungarica, 27 (1-4) 583-586.

Shvanderov F A, 1984. Gall mites on pear. Zashchita Rasteniĭ. 48-49.

Vermeulen J, Cichon L, Parra E, 1987. Pear blister mite (Epitrimerus pyri, Nalepa). In: Acaro del agamuzado del peral (Epitrimerus pyri, Nalepa): biologia y control, Rio Negro, Argentina: Estacion Experimental Agropecuaria Alto Valle. 11 pp.

Westigard P H, Lombard P B, Berry D W, 1979. Integrated pest management of insects and mites attacking pears in southern Oregon. In: Station Bulletin, Agricultural Experiment Station, Oregon State University, 41 pp.

Distribution Maps

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