Difference between revisions of "Mites"
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| + | <categorytree mode=pages style="float:right; clear:right; margin-left:1ex; border:1px solid gray; padding:0.7ex; background-color:white;">Arthropods</categorytree> | ||
| + | ==Astigmata (mites) introduction== | ||
| + | [[Image:Mange.jpg|thumb|right|150px|Mange on a dog - Wikimedia Commons]] | ||
| + | Mites are one of the most successful and diverse vertebrate groups. The species of veterinary importance are parasitic, although a few non-parasitic mites are also important, such as oribatid mites (intermediate hosts for [[Anoplocephala|''Anoplocephala'']] and [[Moniezia|''Moniezia'']]) and forage mites. | ||
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| + | Mites are very small, on average under 0.3mm in length and for this reason often go unnoticed. They spend the majority of their life cycle '''on''' the host and cause '''mange'''. | ||
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| + | The body shows no segmentation but can be divided into two sections, the '''idiosoma''' and the '''gnathosoma'''. Adult and nymphs have '''four''' pairs of legs, whereas larvae have only '''three''' pairs of legs. | ||
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| + | The taxonomy of mites is complex as there are over 8 families. In this article the families are split according to their location on the host into sub-surface (burrowing) and surface (non-burrowing) mites. | ||
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| + | <big> | ||
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| + | '''[[Burrowing Mites]]''' | ||
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| + | '''[[Non-Burrowing Mites]] | ||
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| + | '''[[Forage Mites]] | ||
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| + | ===''Varroa destructor''=== | ||
| + | [[Image:Varroa Mite .jpg|right|150px|thumb|Kika De La Garza Subtropical Agricultural Research Center Weslaco, Texas, USA (Wikimedia Commons)]] | ||
| + | [[Image:Varroa Mite on honeybee pupa.jpg|right|150px|thumb|Kika De La Garza Subtropical Agricultural Research Center Weslaco, Texas, USA (Wikimedia Commons)]] | ||
| + | *More commonly known as the honeybee mite | ||
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| + | *'''Notifiable disease in the UK''' | ||
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| + | *Oval | ||
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| + | *1-1.5mm in length | ||
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| + | *Eggs are laid in the hive and develop with the brood cells | ||
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| + | '''Pathogenesis''' | ||
| + | *Blood-sucking | ||
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| + | *Weakens adult bees | ||
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| + | *Damages growing larval bees resulting in deformities | ||
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| + | '''Control''' | ||
| + | *Acaricidal strips hung between combs | ||
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| + | *Destroy colonies in apiary (if isolated outbreak) | ||
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| + | *Monitor mite numbers and treat if widespread | ||
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| + | ==[[Arachnid Flashcards - WikiBugs|Arachnid Flashcards]]== | ||
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| + | ==Links== | ||
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| + | [[Clinical Case 2]] | ||
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| + | [[Category:Arachnida]] | ||
| + | [[Category:Mites]] | ||
Revision as of 22:50, 5 April 2010
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Astigmata (mites) introduction
Mites are one of the most successful and diverse vertebrate groups. The species of veterinary importance are parasitic, although a few non-parasitic mites are also important, such as oribatid mites (intermediate hosts for Anoplocephala and Moniezia) and forage mites.
Mites are very small, on average under 0.3mm in length and for this reason often go unnoticed. They spend the majority of their life cycle on the host and cause mange.
The body shows no segmentation but can be divided into two sections, the idiosoma and the gnathosoma. Adult and nymphs have four pairs of legs, whereas larvae have only three pairs of legs.
The taxonomy of mites is complex as there are over 8 families. In this article the families are split according to their location on the host into sub-surface (burrowing) and surface (non-burrowing) mites.
Varroa destructor
- More commonly known as the honeybee mite
- Notifiable disease in the UK
- Oval
- 1-1.5mm in length
- Eggs are laid in the hive and develop with the brood cells
Pathogenesis
- Blood-sucking
- Weakens adult bees
- Damages growing larval bees resulting in deformities
Control
- Acaricidal strips hung between combs
- Destroy colonies in apiary (if isolated outbreak)
- Monitor mite numbers and treat if widespread