Some furthur thoughts: 
If you wish to call STR something like 'wooden legs' 
(or clumsy grooming) I will not be offended 
 
Perhaps I was over optomistic 
>and it fades away in 2-4 wks, 
and should say 4-8 wks, depending ... 
 
Another symptom (of X ??) is excessive 
emergent mortality (~5% ??) 
At age 0, cell uncaped, head out, dead in cell 
In a strong hive you will not see this, 
the corpses will be carried away. 
These corpses seem light. 1.49 grains, .097 gm (10) 
 
And, of course, varoa could be a vector for X 
These nucs (showing strongly) had no OA(v) last year 
I didn't expect such large loss, wanted to see  
which nuc handled varoa best. 
 
and more thought later 
 
I must have caught an infection peak 
(how can there be a peak in this type of infection?) 
Anyway now is much less STR and none with young 
Its not hard to find though, with a short search 
As the legs regain flexability the bee can groom top 
of abdomen but it still is a 'tipsy' movement 
(and now they mostly groom the top, when they do the bottom 
legs are more flexable & appears more effective) 
it stops < 10 STR, few ankle rubs, legs are not stiff 
 
And more  
I can kick myself for being unobservant 
Looking at one of the nucs -- what a lot of eggs(not really, 2/3 frame) 
but hey where's the larvae?  None to be seen 
Next nuc same, etc, etc in all nucs no/very few larvae (<10) 
(I actually didn't see any but could have been hiding behind bees) 
If this persists it would well explain dwindling 
I'm now rather pessimistic 
Prevelant (ie in your face) STR lasts about 5-7d, 
emergent (young bee) STR lasts 2d, 
I can't imagine why it disapears so quick 
 
I think ccd came with NZ queen spr06 
no slur on NZ, X is probably widespread 
Its 80-90% my fault for not controlling TM 
excuse my sp please 
 
dave 

******************************************************
* Full guidelines for BEE-L posting are at:          *
* http://www.honeybeeworld.com/bee-l/guidelines.htm  *
******************************************************