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japanese beetle

Agronomic Crop Insect Scouting

June 28, 2024raharris

David Owens, Extension Entomologist, owensd@udel.edu Soybean Japanese beetle and Asiatic Garden beetle are active, as are the remaining usual defoliators. Dectes stem borer is beginning to emerge out of the soil; emergence typically peaks around mid-July. I have seen it… Continue Reading →

Agronomic Crops 32:16, japanese beetle, potato leafhopper, stink bug

Fruit Crop Insect Scouting

June 21, 2024raharris

David Owens, Extension Entomologist, owensd@udel.edu Tree Fruit Continue scouting for stink bugs. Most of our blacklight traps are only capturing a handful of stink bugs, but our trap west of Greenwood captured 110 over the last three nights. Blueberries Scout… Continue Reading →

Fruit Crops japanese beetle, stink bug

Agronomic Crop Insect Scouting

June 21, 2024raharris

David Owens, Extension Entomologist, owensd@udel.edu Corn Begin scouting for Japanese beetle defoliation and for brown stink bugs. NCSU thresholds for stink bugs are 10 or more bugs per 100 plants at V14-VT. Please note that stink bug thresholds more than… Continue Reading →

Agronomic Crops 32:15, brown marmorated stinkbug, japanese beetle, potato leafhopper

Fruit Crop Insect Scouting

June 14, 2024raharris

David Owens, Extension Entomologist, owensd@udel.edu Japanese beetles have begun to emerge. Begin monitoring grape vines for defoliation and blueberry fields for adult activity. Adults will scar up and feed on the berries. Acetamiprid and carbaryl provide very good to excellent… Continue Reading →

Fruit Crops 32:14, japanese beetle

Fruit Crop Scouting Report

July 14, 2023raharris

David Owens, Extension Entomologist, owensd@udel.edu Japanese beetles and June beetles are active. June beetles will feed on raspberry and blackberry fruit. Japanese beetles will cause defoliation. They aggregate and may need to be spot treated in some plantings.

Fruit Crops 31:16, japanese beetle

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