>
> Re the crithia (trypanosomes), Jay Evans has also found high levels in CCD
> colonies, but it does not appear that they are causal of collapse.
>
>
http://onlinelibrary.wiley.com/doi/10.1111/j.1550-7408.1967.tb02033.x/abstract
*SYNOPSIS. **Crithidia mellificae* n. sp. is described from the honey bee *Apis
mellifera* in apiaries of Victoria, Australia. Organisms were isolated and
cultured in a modified NNN medium with Cowper-thwaite's medium as an
overlay. In contrast to other isolates of *Crithidia, C. mellificae*grows
best at a pH between 4.5 and 5.5 with optimum near pH 5. In Cowperthwaite's
medium alone, buffered at pH 4.5–5.5, the organism will survive apparently
indefinite passages. The organism has so far as known, no pathologic effects
in the hymenopteran host.

-- 
Juanse Barros J.
APIZUR S.A.
Carrera 695
Gorbea - CHILE
+56-45-271693
08-3613310
http://apiaraucania.blogspot.com/
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