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| ===''Ornithonyssus''=== | | ===''Ornithonyssus''=== |
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| + | *Also called the 'Northern mite' or 'Northern feather mite' |
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| + | *Closely related to ''Dermanyssus'' |
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| + | *Hairy |
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| + | *Spends enitre life cycle '''on''' the host |
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| + | *Occurs in caged birds and poultry |
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| + | *Causes feather to become matted and severe scabbing can develop |
| + | **Scabs particularly seen around the vent |
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| + | *Decreases egg production |
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| + | *Grey or black discolouration of feathers when large numbers of mites are present |
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| ===''Trombicula''=== | | ===''Trombicula''=== |