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Formic acid "application directly on bottom boards"


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Hello from the northern hemisphere!

 

Do you guys have any experience with this kind of application for FA? It looks pretty easy. I wonder how effective it might be.

 

http://www.biosecurity.govt.nz/files/pests/varroa/control-of-varroa-guide.pdf

 

2) Application directly on

bottom boards (figure 2)

Formic acid can be applied directly

on bottom boards:

• • Using a measuring syringe or a

drench gun, squirt 15 ml of 65%

acid along each side rail towards

the back of the bottom board.

Figure 2 Applying formic acid directly to a bottom board.

To avoid killing bees, smoke the

entrance to ensure the cluster is

above the bottom board.

The treatment needs to be

reapplied at 1-4 day intervals

(depending on evaporation rate),

for a total of five or six

applications.

 

 

I don't really understand this statement:

 

"Using a measuring syringe or a

drench gun, squirt 15 ml of 65%

acid along each side rail towards

the back of the bottom board."

 

Thanks.

 

Regards,

CRistian

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without reading the book now, i can't see how it could possibly work and don't know anybody in the world who does it.

in my hives it would run strait out the entrance again.

if it doesn't run out, than the hive is leaning backwards by mistake. than it would probably sit in the corner and mix with the sweat or rain water

or drip through a gap in the base.

 

apart from that the nz varroa book is the best i've ever seen.

it was produced short after varroa got here, when there was about zero first hand experience in nz.

having had no time for own field trials the odd thing might have slipped in that could have been left out.

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