Jon yes, I've been reading some of the (somewhat contradictory) wisdom on the use of wing morphometry. We'll use it in the first instance to check pure mating of the Colonsay bees down the Ardnamurchan peninsular.
Found two of my hybridised colonies elsewhere giving DrawWing readings in the low 80%s which attracts different interpretations. They're both fine colonies – quiet, non-swarmy, tendency to supersede, early Spring build up – so will breed with them anyway and see what happens.
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