Scales are usually found on the canes. Use Sevin or Orthene to control the crawlers. Young rose slugs skeletonize the leaves and older rose slugs consume the entire leaf. The insects feed at night. No chemical control is listed.
Mites cause loss of green leaf color.
Heavily infested leaves have a gritty feeling and are covered with fine webbing. Spray with rotenone. Visuals associated with this text. This information is for educational purposes only. References to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned.