Citrus Bug Blog

Degree days for California Red Scale and Citrus Peelminer are Posted

California red scale: The biofix for California red scale was March 11-25 for various areas of the San Joaquin Valley and degree days have been accumulating ever since.  Kern County is always warmest and has reached the 550 dd 1st crawler emergence...

Big Attendance for the Fuller Rose Beetle Field Day

On April 22 a field event was held at Lindcove with speakers Joseph Morse from UC Riverside and Jim Cranney from the California Citrus Quality Council.  The issue discussed was how California citrus growers are going to prevent fruit from...

California Red Scale Males are Flying

Pheromone traps put out at the end of February help determine when the male California red scales begin to fly.  Each  orchard is slightly different, depending on orientation, density of trees and location in the valley (Kern is quite a...

Vedalia Beetles Should Be Appearing

Its March and it is the time of year when the cottony cushion scales are maturing into large females on the trunks of the tree.  They especially like plantings of grapefruit and mandarins with dense canopies.  It is also the time of year when...

World Ag Expo Citrus Bugs Exhibit

The UC citrus entomology group is sharing booth L36 with the Citrus Research Board at the World Ag Expo.  Come visit us there.