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Hopguard II - good news or not?

 
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David11
House Bee


Joined: 24 Jun 2012
Posts: 11
Location: West Sussex

PostPosted: Wed May 28, 2014 11:17 am    Post subject: Hopguard II - good news or not? Reply with quote

I see that Hopguard II is on its way to Europe this Autumn (2014):
http://www.bbka.org.uk/local/gwent/bm~doc/vita-starts-registration-process-for-green-varroa-control-treatment.pdf

Hopguard II has been reformulated (after user feedback) with stiffer corrugated cardboard and a mylar backing that:
a) is easier to insert between the brood comb (vertically)
b) contains more hop beta acid, doesn't dry out quickly and can last a complete capped brood cycle
c) has a mylar insert so the bees can't eject it from the hive too quickly

'The new HopGuard strips release the beta acids for 14 days, and with a single application reduce mite populations in colonies with sealed brood by about 85%.'

http://wasba.org/hopguard-hop-beta-acids-section-18-use-approved/

The manufacturer claims it is well tolerated by the bees (but please don't stick it to the queen...) and can be used for most of the year

So is this an ideal 'natural' miticide?

BUT this statement is not good!:
'Users may not take honey and wax from the brood chambers, only from the honey supers'

For a Warre hive this looks like it is a 'can't use this product' statement since this years brood chamber may be next years honey crop. Not great for TBH either.

Also for all beekeepers with conventional frame hives who practice periodic comb exchange in the brood chamber - does this mean they can't make candles? Very odd

This article suggests it is due to it tainting the honey if used on honey supers.
http://scientificbeekeeping.com/miticides-2011/
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zaunreiter
Moderator Bee


Joined: 26 Nov 2007
Posts: 3097
Location: Germany, NorthWest

PostPosted: Wed May 28, 2014 11:23 am    Post subject: Reply with quote

Search the beesource.com forum on Hopguard. Doesn't sound very promising to me. Confused
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David11
House Bee


Joined: 24 Jun 2012
Posts: 11
Location: West Sussex

PostPosted: Wed May 28, 2014 11:33 am    Post subject: Reply with quote

To be fair to the manufacturer - they reformulated the product for this year based on legitimate user concerns. The published knock down rate is good...
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zaunreiter
Moderator Bee


Joined: 26 Nov 2007
Posts: 3097
Location: Germany, NorthWest

PostPosted: Wed May 28, 2014 12:46 pm    Post subject: Reply with quote

We'll see. Other US varroa treatments are making their way to Europe, too. For example MAQS were registered and allowed in Germany a couple of days ago. http://www.miteaway.com/

For the good or bad, who knows.
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Dexter's shed
Scout Bee


Joined: 16 May 2014
Posts: 307
Location: Grays, Essex, UK

PostPosted: Wed May 28, 2014 1:07 pm    Post subject: Re: Hopguard II - good news or not? Reply with quote

David11 wrote:

has a mylar insert so the bees can't eject it from the hive too quickly

/


following on from another post on here, surely if they eject such treatments, it's because they don't want it/like it, in which case, why use it in the first place, surely they know better than us?
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Barbara
Site Admin


Joined: 27 Jul 2011
Posts: 1564
Location: England/Co.Durham/Ebchester

PostPosted: Wed May 28, 2014 1:58 pm    Post subject: Reply with quote

Children don't like the taste of medicine and sometimes spit it out, but that doesn't mean it won't make them better!

Not that I am necessarily advocating treatment although if my bees needed it I would treat, just not sure if I would use this as I haven't done enough homework on it. Thankfully they haven't needed treating for the past 5-6 years so I might not need to do the homework at all.
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biobee
Site Admin


Joined: 14 Jun 2007
Posts: 1051
Location: UK, England, S. Devon

PostPosted: Wed May 28, 2014 8:15 pm    Post subject: Reply with quote

How about adding hops to the eco-floor?
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nis
House Bee


Joined: 01 Aug 2009
Posts: 15
Location: Denmark

PostPosted: Thu May 29, 2014 8:44 am    Post subject: Reply with quote

biobee wrote:
How about adding hops to the eco-floor?

I was thinking something along that as well.

Sadly I just threw away some hops I harvested last year. They didn't taste well in the beer I made, but would have been perfect for this.

Perhaps some homebrew store has a sale on old hops. Otherwise I'll harvest some more when they ripen.
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