 vertical thread to the horizontal line and moving down the thread or by pulling the thread up. The moth may be eaten immediately or wrapped in silk before being eaten.
Some orchids produce chemicals that mimic the sex-attractant pheromones of the wasps that pollinate them. In this instance the orchid flower also bears some visual resemblance to the female, giving rise to some of the common orchid names—for example, bee orchids. The male is first attracted by the odour and then attempts to copulate with the presumed female. The dummy female is positioned in such a way that the male picks up the pollen-containing masses, known as pollinia, on its head before flying off.