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Project Noah Nature School
Oncometopia nigricans
The chalky white substance on the wings is called "brochosomes" and is carried on the forewings. The brochosomes are used to cover the eggs after they are inserted by the females sharp ovipositor. The brochosomes make the eggs more resistant to moisture and fungal infections.
Spotted on Jul 4, 2013
Submitted on Jul 4, 2013
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