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Hark Orchideen - Competence in Orchids  
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Biology Damage Control
Root and Copra Mites (Tyroglyphidae)
The relatively big root mite Rhizoglyphus echinopus Fum. et Rob. is about 0.7-1.5 mm long, the body is oval and compact, pear-shaped, white and shiny. Legs are brown with strong thorns. Eggs are white, big and are placed on plant parts. High humidity helps the mite to develop more quickly. It lives as secondary pest on roots of already weak or ill plants. It "opens doors" for pathogenic fungi by destroying the roots and also spreads fungus spores. Rhizoglyphus can damage the base of low leaves lying on the substrate. Copra mites of the Tyrophagus family have a compact body, are whitish and very hairy. They often live between the leaf sheaths where mass populations are found frequently.
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