Welcome to the Citrus / Subtropical Crop Team

Our Citrus / Subtropical Crop Team is available for members to join. We look forward to connecting with you. 

Recent Alerts

Trapping protocols for South American palm weevil in California

Ivan Milosavljević, Christina D. Hoddle, and Mark S. Hoddle, Department of Entomology, University of California, Riverside. South American palm weevil (SAPW), Rhynchophorus palmarum (L.) (Coleoptera: Curculionidae), is an invasive pest in California (CA) (Fig. 1). Native to parts of Mexico, Central and South America, and the Caribbean (Löhr 2013), this large black beetle, about 1.25 inches in […]

UCCE sounds alarm on looming insect threat

The spotted lanternfly is a major threat to numerous crops in California. Jeannette Warnert | May 14, 2020 Strikingly beautiful with a striped yellow abdomen and ruby red and black polka dot wings, the spotted lanternfly’s esthetic appeal belies its destructive nature. “Spotted lanternfly is a major threat to apples, grapes, stone fruits, roses, landscape […]

Additional Resources


Investigating the Cause of Shoot and Twig Dieback of Clementine, Mandarin and Navel Orange in California

Wild Pig Management in Citrus

Help Save California Citrus – Report Abandoned Trees

Brown Marmorated Stink Bug Spread to Peach Growing Areas in the Northern San Joaquin Valley

Citrus Weed Control with Indaziflam and Rimsulfuron Herbicides

Monitoring Navel Orangeworm and Codling Moth In and Near Mating Disruption Orchards

Current Statewide Updates Regarding the Battle of the Asian Citrus Psyllid and Huanglongbing

A Practical Solution to Address the Emergence of Citrus Greening Forecasting in California


UC Pest Management Guidelines: Avocado

UC Pest Management Guidelines: Avocado


Pesticide Safety Resources

Understanding Pesticide Labels for Making Pesticide Applications

Card set PDF in English and Spanish

Agricultural Videos

Agricultural videos—in particular:
• Year-round IPM programs: Video tour
• Using IPM degree-day tools
• Detecting Asian citrus psyllid
• Setting a Macabee gopher trap
• Trap placement for pocket gophers

Online Training (with CE units)

Online training  and UC ANR Online Learning (*with continuing education units)
• Moving beyond pesticides
• Using degree days in orchards
• Pesticide application equipment/calibration*
• Pesticide resistance*
• Citrus IPM: peelminer*
• Citrus IPM: katydid*
• Citrus IPM: cottony cushion scale*
• Citrus IPM: citrus red mite*
• Citrus IPM: California red scale*
• Citrus IPM: citricola scale*
• Asian citrus psyllid and HLB for retrial nurseries
• Citrus nursery protective structure worker training

UC ANR Newsletters

UC ANR newsletters:
• Topics in Subtropics (posted on various UCCE county websites)

UC ANR Blogs

UC ANR blogs—in particular:
• Citrus Bugs
• Topics in Subtropics
• Southern IPM Activities
• UC Weed Science

UC ANR Twitter