Biological pest control predatory midge "Feltiella acarisuga", and a ladybird "Stethorus punctillum". The bug "Orius insidiosus" has been successfully used against the two-spotted spider mite and the western flower thrips ("Frankliniella occidentalis"). Predators including "Cactoblastis cactorum" (mentioned above) can also be used to destroy invasive plant species. As another example, the poison hemlock moth ("Agonopterix alstroemeriana)" can be used to control poison hemlock ("Conium maculatum"). During its larval stage, the moth strictly consumes its host plant, poison hemlock, and can exist at hundreds of larvae per individual host plant, destroying large swathes of the hemlock. Not all biological control agents are directed at
What Is Life 16. It has since appeared on Newton-John compilation albums such as "" (1992) and "The Definitive Collection" (2002). In 1971, British easy listening pianist Ronnie Aldrich covered "What Is Life" (as well as "My Sweet Lord") on his album "Love Story". That same year, a version by the Ventures appeared on their "New Testament" album. Also in 1971, a Finnish-language version of the song, titled "Mikä Saa Ihmisen Elämään", was released as a single by local singer Oliver – better known as Veikko Laiho, of the Laiho Trio. In 1992, Nicola Sirkis covered the song on the album "Dans La