Control
Numerous methods of control have been investigated in areas where this beetle has been introduced and causes a threat to native species and biodiversity and to the grape industry. A consideration in their control is the fact that when the beetles die they release a chemical that attracts more beetles. Methods of control include insecticides, trapping, removal of aggregates of beetles and mechanically preventing entry to buildings. Methods under development involve the investigation of natural parasites and pathogens, including the use of parasitic sexually transmitted mites and fungal diseases.
H. axyridis traps are available that contain the pheromones used by the beetles to attract each other into large gatherings. The best methods for dealing with them in private homes involve sealing openings they may enter. Sweeping and vacuuming are considered effective methods for removing them from homes though this should be done carefully so as not to trigger the defensive reaction known as reflex bleeding. A nylon stocking placed inside the vacuum cleaner's hose, secured with a rubber band, allows the beetles to be "bagged" rather than collecting inside the machine. A trap designed for indoor use was developed which attracts the beetles with a light and seals them in a removable bag.
Read more about this topic: Harmonia Axyridis
Famous quotes containing the word control:
“Not being able to control events, I control myself; and I adapt myself to them, if they do not adapt themselves to me.”
—Michel de Montaigne (1533–1592)
“The general fact is that the most effective way of utilizing human energy is through an organized rivalry, which by specialization and social control is, at the same time, organized co-operation.”
—Charles Horton Cooley (1864–1929)
“We long for our father. We wear his clothes, and actually try to fill his shoes. . . . We hang on to him, begging him to teach us how to do whatever is masculine, to throw balls or be in the woods or go see where he works. . . . We want our fathers to protect us from coming too completely under the control of our mothers. . . . We want to be seen with Dad, hanging out with men and doing men things.”
—Frank Pittman (20th century)