California red scale
t. The females moult into the grey stage, named after the colour of the edges of their shield. Mating occurs at the start of this stage, before the female [...] three a day. The crawlers are mobile and very small, so they are spread easily by the wind and birds, as well as by humans and their tools. In the hours after [...] symptoms Aonidiella aurantii has been the most significant pest facing many citrus-producing countries across the world. The populations can grow quickly and