Bob,
 
No they don't have the same meaning, using your definitions.  All the  
'hybrids' under discussion are of different strains or 'breeds' of the species  Apis 
mellifera and are thus, again using your definitions, are 'mongrels'.
 
Chris
 
Bob writes: 
hybrid:1.an animal or plant produced by a male and female of different  
species.
mongrel:1.The progeny produced by crossing different breeds or  varieties of 
plants
or animals.





   

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