California red scale
offspring. Each female can produce 100-150 young over a period of six to eight weeks, at a rate of one to three a day. The crawlers are mobile and very small, so [...] population tends to be mostly female, at a ratio of 2.6:1. [...] start feeding, they produce a white, waxy, and cottony cover, forming the typical appearance of the shield after they first moult. A few days later, the sexes