After some research with the help of others I have the answer
The genus Icerya named after Dr. Paul Laurent Edmond Icery (1824 - 1883) an eminent Mauritian sugar technologist who sent the first specimen to Signoret who described the Genus Ref. Link
The species named for the honor of the entomologist Purchas from New Zealand who sent the first Icerya purchasi to Maskell.
add a photo of first instars crawler of Icerya purchasi hatching from the eggs sac. The oval orange like color shape near the larvea is an egg of Rodolia cardinalis (Coccinellidae). The natural predator of this scale insect