Epitrimerus pyri (pear rust mite)

Pictures

Picture	Title	Caption	Copyright
Title SEM of Adult Caption In situ scanning electron micrograph of adult E. pyri. Copyright J.C. Bergh	SEM of Adult	In situ scanning electron micrograph of adult E. pyri.	J.C. Bergh
Title SEM of adult protogyne female Caption In situ scanning electron micrograph of adult protogyne female E. pyri. Copyright J.C. Bergh	SEM of adult protogyne female	In situ scanning electron micrograph of adult protogyne female E. pyri.	J.C. Bergh
Title SEM of deutogyne females Caption In situ scanning electron micrograph of deutogyne females of E. pyri overwintering under a bud scale. Copyright J.C. Bergh	SEM of deutogyne females	In situ scanning electron micrograph of deutogyne females of E. pyri overwintering under a bud scale.	J.C. Bergh
Title SEM of deutogyne female Caption In situ scanning electron micrograph of overwintering deutogyne female of E. pyri. Copyright J.C. Bergh	SEM of deutogyne female	In situ scanning electron micrograph of overwintering deutogyne female of E. pyri.	J.C. Bergh
Title SEM of deutogyne female (close-up) Caption In situ close-up scanning electron micrograph of overwintering deutogyne female of E. pyri. Copyright J.C. Bergh	SEM of deutogyne female (close-up)	In situ close-up scanning electron micrograph of overwintering deutogyne female of E. pyri.	J.C. Bergh
Title Feeding damage Caption Pear shoot showing extensive E. pyri feeding damage (browning) on underside of leaves. Copyright J.C. Bergh	Feeding damage	Pear shoot showing extensive E. pyri feeding damage (browning) on underside of leaves.	J.C. Bergh
Title Feeding damage Caption Young pears showing E. pyri feeding damage. Copyright J.C. Bergh	Feeding damage	Young pears showing E. pyri feeding damage.	J.C. Bergh
Title Damaged pear fruits Caption Undamaged (1) and severely damaged (russetted) (2) pears. Copyright J.C. Bergh	Damaged pear fruits	Undamaged (1) and severely damaged (russetted) (2) pears.	J.C. Bergh

Identity

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

• 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

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.

Host plants/Plants Affected

Growth Stages

List of Symptoms

Natural Enemies

References

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

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 Maps

• = Present, no further details
• = Evidence of pathogen
• = Widespread
• = Last reported
• = Localised
• = Presence unconfirmed
• = Confined and subject to quarantine
• = See regional map for distribution within the country
• = Occasional or few reports

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