Cottony cushion scale
cushion scale, Icerya purchasi , is considered to have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the [...] of dusky wings, The adult ‘females’ produce 500 to 2000 bright-red, oblong eggs over a period of 2 to 3 months. After leaving the egg sac, the crawlers [...] The next two instars migrate to the larger twigs and branches and eventually moult into the adult 'female'. There are two to four generations per year.