Tyrosinase activity in adult.
Body colour: body is almost colourless, but has a pale yellowish-green appearance. Bristles are colourless and translucent, except for their bases which are dark. The phenotype is only seen in males, which are very weak.
viable Body colour: very pale yellow, almost colourless; bristles colourless and translucent except for dark bases.
Hildreth.
Males short lived.