Friday, May 9, 2014
Dry Spring weather promotes sawfly populations
At this point we are not seeing enough larvae to justify a pesticide application but we need to watch our orchard carefully over the next week or so to make sure we don't get surprised by a major outbreak of this insect.
Sawflies adults emerge in the spring and produce a single generation per year. When larvae fully mature, they drop to the ground and pupate in the soil. I have always found that dry spring weather conditions seem to promote sawfly populations.