University of California
The California Backyard Orchard
Second California Red Scale Flight
The second male flight has started in Kern and Tulare counties. It occurs 1100 degree days after the biofix of the first male flight. Temperature units are ahead of the 30 year average. See our web site for more information.
http://ucanr.edu/sites/KACCitrusEntomology/Home/California_Red_Scale/Degree_Days_885/