Richard Casagrande with the University of Rhode Island, who spoke about biocontrol of unpleasant species.
explained that for many problems, natural and organic controls work better than compound controls.
asserted when gardeners hear which foreign type of insects have been introduced to aid control invasive plants similar to purple loosestrife, there is a knee-jerk reaction: "Great.
has become using biocontrols to scale back populations of the lily leaf beetle that has been decimating our asian and Asiatic lilies in recent times.
The beetles are very pretty that you'd like to use them because earrings: bright red with dark trim, with regards to 3/8ths of an inch lengthy.
Their caterpillar, in contrast, are generally disgusting: That they carry their particular excrement lying on their backs to deter wild birds - and organic landscapers.
co-workers possess introduced parasitoids coming from Europe, very small wasps that decrease the beetle's population.
The parasitoids are doing the task at examination sites throughout Rhode Island as well as Massachusetts, and therefore are established from release internet sites in New Hampshire and Maine.