In a message dated 16/03/2010 12:54:10 GMT Standard Time,  
[log in to unmask] writes:

Where  pyrethroids (as agro treatments as well as proper bee treatments) 
have
been  removed for around 3 years it has been possible to use these  
treatments
again but for one or two seasons only,


That's useful information. I don't think I have used the pyrethroid strips  
this millennium but I might try them again occasionally in hives that are 
due  for complete comb replacement to avoid any residues in the wax.
 
Chris

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