San Jose Scale Crawler Emergence In Highland, NY June 16th, 2018

SJS 1st Gen. Nymphs on Black Electrical Tape (2018)

The first emergence of San Jose Scale crawlers were observed this afternoon on Red Delicious and Ginger Gold in Highland, NY June 16th, 2018. Trees were heavily infested with less then 10 nymphs found on three taped limbs.

If prior applications to infested trees have not yet been made this season management should begin at your earliest application window. Management options. Red halo will begin to appear on fruit of infested trees within the next 10 days to 2-weeks.

1st gen. San Jose Scale ‘crawler white cap phase’ on Red Delicious shortly after June emergence.

About Peter J Jentsch

Peter J. Jentsch serves the mid-Hudson Valley pome fruit, grape and vegetable growers as the Senior Extension Associate in the Department of Entomology for Cornell University’s Hudson Valley Laboratory located in Highland, NY. He provides regional farmers with information on insect related research conducted on the laboratory’s 20-acre research farm for use in commercial and organic fruit and vegetable production. Peter is a graduate of the University of Nebraska with a Masters degree in Entomology. He is presently focusing on invasive insect species, monitoring in the urban environment and commercial agricultural production systems throughout the state
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