Aculus truncatus
Aculus truncatus is a species of mite which causes galls on the leaves of purple willow (Salix purpurea). It was first described by Alfred Nalepa in 1892.
| Aculus truncatus | |
|---|---|
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| Gall on purple willow | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Subclass: | Acari |
| Order: | Trombidiformes |
| Family: | Eriophyidae |
| Genus: | Aculus |
| Species: | A. truncatus |
| Binomial name | |
| Aculus truncatus (Nalepa, 1892) | |
| Synonyms | |
|
Aceria truncata | |
Description
The gall is a short, 1–2 millimetres (0.039–0.079 in) narrow twisted, downward roll on the leaves of purple willow (S. purpurea). It is lined with red hairs and contains mites.[1][2][3]
Similar looking galls have also been found on common osier (S. viminalis) and on sallows, which could also be A. truncatus. The mites should be identified by an expert.[1]
A. truncatus has also been known to use Salix alba as a host.[4]
References
- Redfern, Margaret; Shirley, Peter; Bloxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: FSC Publications. pp. 282–299. ISBN 978 1 85153 284 1.
- Ellis, Willem N. "Aculus truncatus (Nalepa, 1892)". Plant Parasites of Europe. Retrieved 13 January 2018.
- Alford, David V. (2012). "Mites". Pests of Ornamental Trees, Shrubs and Flowers (Second ed.). Elsevier. doi:10.1016/B978-0-12-398515-6.50003-3. ISBN 978-0-12-398515-6.
- Ripka, Géza (2008). "Additional Data to the Eriophyoid Mite Fauna of Hungary (Acari: Prostigmata: Eriophyoidea)". Acta Phytopathologica et Entomologica Hungarica. 43 (1): 143–161. doi:10.1556/APhyt.43.2008.1.15 – via ResearchGate.
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