Pests of roses

Roses are susceptible to several pests. Some cultivars exist that prevent certain pests.

Pests

 * Arachnids (Arachnida)
 * Two-spotted mite (Order Acari: Family Tetranychidae) Tetranychus urticae: Live on the underside of the leaves, and are difficult to see with the naked eye. Evidence of their presence is silvering of the leaves where the mites have destroyed individual leaf cells along with fine webbing and eggs on the underside of the leaves.
 * Insects (Insecta)
 * Aphids (greenfly) (order Hemiptera, family Aphididae): Aphids are likely to be found on the new shoots and buds. They are most active in spring and summer, and multiply at a fast rate feeding on the sap of the rose by piercing the plant's cells by a proboscis. In large quantities, aphids can stunt the growth of the rose and ruin buds. They are mainly damaging to the new shoots, with subsequent damage to the leaves which emerge later, which will become malformed with a similar appearance to leaf curl in peaches.
 * Caterpillars (order Lepidoptera): The tortrix moth, Lozotaenia forsterana is an important pest of roses. They often bore into the buds, and chew into leaves and flowers.
 * Diplolepis rosae (Order Hymenoptera: Family Cynipidae): Causes galls on the rose on its buds and stems.
 * Leaf Cutting Bees (Order Hymenoptera: Family Megachilidae) Megachile sp.: Chew pieces from the edges of leaves shaped circular or ovular. Damage is not very significant.
 * Curculio beetles (family Curculionidae)
 * Japanese beetles (Popillia japonica): Devours rose blooms and skeletonizing the foliage. Unlike some other pests of roses, japanese beetles can be partially controlled by spreading milky spore bacillus on the lawn area where the larvae live.
 * Metallic flea-beetles (Order Coleoptera: Family Chrysomelidae) Altica sp.: Chew holes of irregular shapes in the young leaves and buds. As the plant grows, so do the holes.
 * Rose chafer (Order Coleoptera: Family Scarabaeidae) Macrodactylus subspinosus: Emerges from May to June, feeding on foliage, buds, flowers, and fruits of roses and other ornamental plants.
 * Sawflies (suborder Symphyta): They lay eggs in the rose leaves or stems with their saw-like ovipositors.
 * Scale insects (Order Hemiptera): Damages twigs, foliage, flower stalks, and petioles. In large numbers, scale insects can lead to the death of the rose.
 * Thrips (order Thysanoptera): Prefer light-colored blooms, and often appearing in plague numbers. Flowers are often left looking bruised or lusterless.
 * Nematodes (eelworms) (Order Tylenchida: Family Heteroderidae)
 * Root-knot nematode Meloidogyne sp.: Stunts the growth of rose, makes it grow slowly, with pale green leaves and wilting in mild weather.

Diseases
See list of rose diseases