http://www.pbi.co.uk/provado/ultimatebugkiller/ Ultimate bug killer is
excellent & controls most pests,I don't know if it is available in
Europe/USA. A friend had scale insect really bad last year he used this on
his orchids and is now clear.Respected society members also recommend
this.In a large orchid collection I cant see many things working unless each
plant is treated.I can see why you are looking for biological control Rob as
spraying/treating all your plants is so time consuming.One downfall of
having a large collection!
Mind you if the problem is picked up at a early stage it could possibly be
treated & kept isolated?
--
Thanks Keith,England,UK.
"Reka" wrote in message
...
Rob Halgren wrote:
Ok, the *$^!# boisduval scale are driving me insane.

See:
http://www.extento.hawaii.edu/kbase/...e/d_boisdu.htm
http://www.cips.msu.edu/ncr125/GuideScales.htm
Maybe they will help.
--
Reka

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