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CRYMONT2
Cryptolaemus montrouzieri - the mealybug slayer
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paul m



Really Wild Member

Registered: November 2006
Location: Sheffield, South Yorks, UK
Posts: 2,460
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An Australian species which has been widely used in Europe and elsewhere for greenhouse control of mealybugs. It has established in many places (e.g. in Catalonia) out of doors.
· Date: Tue 12, December 2006 · Views: 6924
· Filesize: 71.8kb, 494.9kb · Dimensions: 1000 x 807 ·
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Keywords: Coccinellidae biological control Australia Catalunya
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paul m

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Registered: November 2006
Location: Sheffield, South Yorks, UK
Posts: 2,460
Tue 12, December 2006 11:04am

Could be called the 'push-me-pull-you' ladybird!

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"I started off with nothing ... and I've still got most of it left."
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Guy F

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Registered: December 2006
Posts: 449
Tue 12, December 2006 11:51am

What a strange insect!
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paul m

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Registered: November 2006
Location: Sheffield, South Yorks, UK
Posts: 2,460
Wed 13, December 2006 2:57am

I should have noted that these are about 3mms long and the front end is at the left! We tend to assume that 'ladybirds' are smooth, shiny animals but quite a few are hairy beasts....

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goosey

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Registered: August 2007
Location: Holland
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Fri 2, November 2007 6:54am

Hairy ladybirds -What ever next!

The mealy bugs that Cryptolaemus montrouzieri are used for to control, are they the same as the mealworm beetle Tenebrio molitor? I didn't think these did any harm, I have these in the garden probably from mealworms that escaped the birds.

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paul m

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Registered: November 2006
Location: Sheffield, South Yorks, UK
Posts: 2,460
Sat 3, November 2007 5:42pm

No the mealworm gets its name because its larvae can be a pest on 'meal' in the sense of flour and other dried cereal foods.



Mealybugs are relatives of the aphids but are covered in thick layers of wax which makes them difficult or impossible to control with applications of soap or insecticides. Most predators (common ladybirds, hoverflies &c) cannot attack mealybugs because their mouthparts clog up with the wax (yuk) - doesn't bother C. montrouzieri though!

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