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 Post subject: Re: Predator mites
PostPosted: Tue Jan 26, 2016 5:49 pm 
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Joined: Wed Jul 07, 2010 9:08 pm
Posts: 27
Location: Germany
John - you may be interested in this French report (Schizotetranychus is mentioned in the abstract):
http://www.cabdirect.org/abstracts/2015 ... 4C3E89A98C
Unfortunately I have no access to the full text.

Rai


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 Post subject: Re: Predator mites
PostPosted: Mon Oct 09, 2017 3:40 pm 
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Joined: Tue Mar 22, 2016 8:53 am
Posts: 6
Location: Parksville, BC, Canada Zone8b
Any updates on this predator? Anyone?

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Rick
Bamboo Grower Since 2014


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 Post subject: Re: Predator mites
PostPosted: Mon Oct 09, 2017 5:15 pm 
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Joined: Wed Jul 07, 2010 9:08 pm
Posts: 27
Location: Germany
Let me quote from a new Hungarian research:

„In Hungary only two tetranychid mite species have been found on bamboo taxa: Stigmaeopsis nanjingensis and Schizotetranychus bambusae. Both species are non-native pests introduced by human transport from East Asia. Based on the biological control test both of the commercially available predatory mites (Phytoseiulus persimilis and Stratio- laelaps scimitus) were able to consume the spider mites without their webs in laboratory conditions. However, P. persimilis consumed twice as much spider mites than the other predator.
The web of S. bambusae did not inhibit the predator activity. On the other hand, the predatory mites were unable to break through or crawl under the tightly woven web of S. nanjingensis species. The only known natural enemy of S. nanjingensis is the predatory mite Typhlodromus bambusae which is able to crawl under their net and destroy the mites in it (Zhang et al., 1999).“

Reference:
E. KISS, Á. SZÉNÁSI, A. NEMÉNYI and J. KONTSCHÁN: Can We Use the Predatory Mites against the Invasive Bamboo Pest Spider Mites? Acta Phytopathologica et Entomologica Hungarica, 2017

Rai


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 Post subject: Re: Predator mites
PostPosted: Wed Oct 11, 2017 12:24 am 
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Joined: Sun May 06, 2012 1:28 pm
Posts: 1581
Location: HALIFAX, NS
Very good predator information Rai.

Viel Dank

johnw

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johnw coastal Nova Scotia


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 Post subject: Re: Predator mites
PostPosted: Wed Oct 11, 2017 9:27 pm 
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Joined: Wed Jul 07, 2010 9:08 pm
Posts: 27
Location: Germany
John - please be aware that the experiments were carried out with two commercially available predatory mite species (Phytoseiulus persimilis and Hypoaspis miles). After the study of the Hypoaspis miles specimens it was proven to be an entirely different species, namely Stratiolaelaps scimitus. Hypoaspis miles and Stratiolaelaps scimitus are often confused with each other. We cannot be sure which species can be found in the commercially available products, because the identification of the two species requires experience. S. scimitus is a fast-moving predatory mite that lives on the surface of the ground, but they are able to climb up onto plants.

Gruß,
Rai


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