2024 seems like a year of citricola scale. This season, pest control advisors have reported significant numbers of citricola scale in the San Joaquin Valley. Citricola scale, a soft bodied scale insect is sap sucking pest of citrus that thrives in cooler temperatures.
In 2024, there has been an increasing report of significant numbers of citricola scale in the San Joaquin Valley. Damage thresholds are low for citricola scale, 1 adult scale/twig or 0.5 1st instar/leaf.
Based on the CIMIS weather station data, we have enough degree days for the second generation of California red scale. Crawlers have started emerging. Degree days as of June 27, 2024 Counties DD as of June 27 Next event What can you do Kern 1641 Third gen.
Based on traps placed at LREC citrus blocks, California red scale season began with Biofix on March 10. Pest Control Advisors in Kern, Tulare, and Fresno County reported that they have seen activity, but the numbers have been low.
Invasive Fruit Fly Quarantine What to know as a SJV citrus grower? Sandipa Gautam Area Citrus IPM Advisor UC Statewide IPM Program Operations Several species of invasive fruit flies that belong to the family Tephritidae are considered serious pests of hundreds of agricultural crops including citrus.
