Blueberry Insect Monitoring Report April 14, 2017

— Written By Grant Palmer and last updated by
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In order to aid growers and other interested parties to monitor blueberry pest activity and help management decisions, we have established trapping sites around North Carolina in blueberry fields. These sites are located at a mix of commercial farms and research stations. Each site is named after the county is located in and a number distinguishing it from other sites in that county.

At each location we have established 5 trapping stations, which will monitor four key blueberry pests during the growing season. Each trapping station consists of one spotted wing drosophila (SWD) trap baited with a yeast sugar-water mixture, one white “wing” sticky trap baited with a pheromone lure attractive to male cranberry fruitworm moths, one white wing trap baited with a pheromone lure attractive to male cherry fruitworm moths, and one yellow sticky trap baited with ammonium bicarbonate to attract blueberry maggot flies.

Blueberry trapping station

Blueberry trapping station. From left to right are the SWD trap, cherry fruitworm trap, blueberry maggot trap, and cranberry fruitworm trap. Photo: Hannah Burrack

Each week, we will visit the field sites, and identify insects that have been attracted to the traps. In this post, we will share data from our first couple weeks of trap captures, and our weekly posts to follow will update these data as we progress through the season

We are monitoring a total of six blueberry fields. The average number of the total pests captured per site per day are presented in the figures below. YSW refers to traps baited with “yeast/sugar water.” SWD refers to “spotted wing drosophila.”

Four SWD were captured at New Hanover 1, six SWD were captured at Pender 1, 1 SWD was captured at Bladen 3, 3 SWD were captured at Bladen 1, 2 SWD were captured at Bladen 4 and no SWD were captured at Sampson 1, during this trapping period.

Spotted Wing Drosophila trap data 4/14/17

One cranberry fruitworm moth was captured at Bladen 3, and one cranberry fruitworm moth was captured at Sampson 1, during this trapping period.

Cranberry Fruitworm data 4/14/17

One cherry fruitworm moth was captured at Pender 1 during this trapping period.

Cherry Fruitworm trap data 4/14/17

No blueberry maggot flies were captured during this trapping period.Blueberry Maggot trap data 4/14/17

More information

DIY Blueberry Maggot MonitoringNC Small Fruit & Specialty Crop IPM

DIY SWD Monitoring – NC Small Fruit & Specialty Crop IPM

Cranberry FruitwormEntomology Portal

Cherry FruitwormEntomology Portal