Roses are popular ornamental plants grown in home gardens, parks, and other landscapes. Just like other plants, roses can be host to a number of insects and mite pests.
Roses can grow well with little to no pesticide use and numerous natural enemies, or “good bugs” exist to help hunt or parasitize common rose insect pests.
Find solutions for common invertebrate pests on roses in UC IPM's recently updated Pest Notes: Roses: Insects and Mites. This revised publication by rose experts Mary Louise Flint, Extension Entomologist Emerita, and John Karlik, UC Cooperative Extension Advisor, Kern County will help...
While working outside, gardeners and farmers may discover pest problems they need to answer quickly. To meet this need, the University of California Division of Agriculture and Natural Resources has recently published the Vegetable Pest Identification for Gardens and Small Farms card set.
This travel-sized guide is a convenient and quick way to keep a pest management reference in your pocket. The set of 53 full-color cards contains photos and information about common insect and mite pests as well as plant diseases, nematodes, abiotic disorders, weeds, and vertebrate pests. The cards focus on sustainable pest management for vegetables, melons,...
Snails and slugs can be destructive pests in gardens and landscapes when they devour entire seedlings or chew holes in leaves, flowers, fruit, and even the bark of plants.
Manage these pests by getting rid of their hiding places, setting up traps, or planting resistant plants.
For more information about effective ways to manage snails and slugs, read the newly revised Pest Notes: Snails and Slugs by Cheryl Wilen, Area IPM Advisor, San Diego, Orange, and Los Angeles counties; and Mary Louise Flint, Extension Entomologist Emerita, UC Davis and UC IPM.
Goldspotted oak borer. First identified in eastern San Diego County in 2004, the goldspotted oak borer, Agrilus auroguttatus, has killed over 25,000 California native red oaks since its arrival and has now been detected in Riverside County. Larvae feed deep within the phloem, and adults are rarely seen. Infestations are recognized by the presence of D-shaped exit holes on trees, often accompanied by bark staining and crown decline. There are currently no good ways to manage the pest in moderate to severely infested trees. Contact your agricultural commissioner if you find infestations outside the known infested area.
For more information on this pest, infestation zones, and ways you can help limit the...