Cecidophyopsis vermiformis (Nalepa, 1889)
(a hazel big-bud gall causer mite)

Taxonomic hierarchy:
SpeciesCecidophyopsis vermiformis (a hazel big-bud gall causer mite)
GenusCecidophyopsis (a genus of gall mites)
FamilyERIOPHYIDAE (gall mites)
SuperfamilyERIOPHYOIDEA (gall mites)
SupercohortEupodides (a supercohort of mites)
SuborderPROSTIGMATA (sucking mites)
OrderTROMBIDIFORMES (trombidiform mites)
SuperorderACARIFORMES (acariform mites)
SubclassACARI (mites)
ClassARACHNIDA (mites, spiders, false scorpions, harvestmen etc.)
SubphylumCHELICERATA (a subphylum of arthropods)
PhylumARTHROPODA (arthropods)
SuperphylumECDYSOZOA (skin shedders)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)

Identification Works

AuthorYearTitleSource
Özman, S.K. & Toros, S. 1997 Life cycles of Phytoptus avellanae Nal. and Cecidophyopsis vermiformis Nal. (Eriophyoidea: Acarina) Acta Horticulturae Vol 445: 493-502.

Cecidophyopsis vermiformis (a hazel big-bud gall causer mite) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Cecidophyopsis vermiformis (a hazel big-bud gall causer mite)
BioInfoBioInfo (www.bioinfo.org.uk) has 4 host/parasite/foodplant and/or other relationships for Cecidophyopsis vermiformis (a hazel big-bud gall causer mite)

C. vermiformis inside the summer big buds reaches the maximum population level in early autumn while C. vermiformis inside the winter big buds reaches the maximum population level in spring.

References:
Author & YearTitleSource
Özman, S.K. & Toros, S., 1997Population fluctuations of Phytoptus avellanae Nal. and Cecidophyopsis vermiformis Nal. (Eriophyoidea: Acarina) in big buds of hazelnut.Acta Horticulturae Vol 445: 511-520.
Özman, S.K. & Toros, S., 1997Life cycles of Phytoptus avellanae Nal. and Cecidophyopsis vermiformis Nal. (Eriophyoidea: Acarina)Acta Horticulturae Vol 445: 493-502.
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