> If an observation cannot be reproduced it either was mistaken, fraudulent, or an unique occurrence a
I already suggested an explanation which fits the facts: automixis [fusion of (typically haploid) nuclei or gametes derived from the same individual]. Winston points out that the phenomenon is ten times as common in African bees as European. Automixis is perfectly normal in the Cape bee which is genetically very similar to the so-called African bee. Occam's razor suggests that if worker bees usually lay female eggs in Cape Bee, then they probably do in scutellata, and possibly do in the rest of the Genus.
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