Phyllocoptes goniothorax

Phyllocoptes goniothorax is a species of mite belonging to the genus Phyllocoptes, which causes galls on the leaves of hawthorns (Crataegus species). It was first described by Alfred Nalepa in 1889.

Phyllocoptes goniothorax
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Subclass: Acari
Order: Trombidiformes
Family: Eriophyidae
Genus: Phyllocoptes
Species:
P. goniothorax
Binomial name
Phyllocoptes goniothorax
(Nalepa, 1889)
Synonyms
  • Eriophyes goniothorax
  • Phytoptus goniothorax Nalepa, 1889

Description

There are two types of galls on the leaves of hawthorns. The mites overwinter in a bud or in bark crevices, emerging to attack the new leaves as soon as the buds open, forming tight rolls on the edge of the leaves. The leaf can have many of these yellowish or red galls, which are hairy inside.[1][2] The mite can also form an erineum on the underside of a leaf with reddish, violet or white hairs with swollen tips.[2]

The galls have been found on many different species of hawthorn, including, C. coccinoides, C. laevigata, C. macrocarpa, C. monogyna, C. nigra, C. rhipidophylla and C. sanguinea.[3]

Distribution

The mite is found in western Europe.[4]

References
  1. Chinery, Michael (2011). Britain's Plant Galls. A photographic guide. Old Basing, Hampshire: WildGuides Ltd. p. 44. ISBN 978 1903657 43 0.
  2. Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 91–92. ISBN 978 185153 284 1.
  3. Ellis, W N. "Phyllocoptes goniothorax (Nalepa, 1889) on Crataegus". Plant Parasites of Europe. Retrieved 12 June 2019.
  4. "Phyllocoptes goniothorax (Nalepa, 1889)". Fauna Europaea. Retrieved 12 June 2019.


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