Famous People Named Marit. Mette Marit, Crown Princess of Norway. Marit Elisabeth Larsen, Norwegian singer-songwriter and former member of the pop duo M2M. Marit Eli Paulsen, Swedish politician. Marit Elisabeth Maij, Dutch politician.
Japanese beetles (Popillia japonica), also known as the chafer beetle, rose chafer and garden chafer; aphids (Macrosiphum rosae), also known as plant lice; thrips (Anaphothrips obscurus or Frankliniella tritici), also called grass thrips or oat bugs, and the rose leaf hopper are all insects that can do various levels of damage to a rose bush.
Symptoms include red, purple or brown spots on leaves and branches as well as eventual browning and yellowing. As the name suggests, a soft, down-like coating of spores forms on leaf undersides and stems. This disease may lead to severe defoliation of your Knock Out roses.