How old is a purple eyed drone, counting from the day they were capped?
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How old is a purple eyed drone, counting from the day they were capped?
http://www.ars.usda.gov/services/doc...d=2744&page=14
"Step 13: Eyes are purple on the 15th day.
The body is still white or slightly yellow, but some brown pigment appears in the antennae and mouthparts at this stage."