Ecosystem-Based Incorporation of Nectar-Producing Plants for Stink Bug Parasitoids
AbstractAdult parasitoids of pest insects rely on floral resources for survival and reproduction, but can be food-deprived in intensively managed agricultural systems lacking these resources. Stink bugs are serious pests for crops in southwest Georgia. Provisioning nectar-producing plants for parasitoids of stink bugs potentially can enhance biocontrol of these pests. Knowledge of spatial and temporal availability and distribution of stink bugs in host plants is necessary for appropriate timing and placement of flowering plants in agroecosystems. Stink bugs move between closely associated host plants throughout the growing season in response to deteriorating suitability of their host plants. In peanut-cotton farmscapes, stink bugs develop in peanut, and subsequently the adults disperse into adjacent cotton. Parasitism of Nezara viridula (L.) adults by Trichopoda pennipes (F.) at the peanut-cotton interface was significantly higher in cotton with a strip of milkweed or buckwheat between the two crops than in cotton alone. Milkweed and buckwheat also provided nectar to a wide range of insect pollinators. Monarch butterflies fed on milkweed. When placed between peanut and cotton, a strip of soybean was an effective trap crop for cotton, reducing economic damage. Incorporation of buckwheat near soybean enhanced parasitism of Euschistus servus (Say) eggs by Telenomus podisi Ashmead in cotton. In conclusion, nectar provision enhances biocontrol of stink bugs, acts together with other management tactics for stink bug control, and aids in conservation of natural enemies, insect pollinators, and the monarch butterfly. View Full-Text
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Tillman, G. Ecosystem-Based Incorporation of Nectar-Producing Plants for Stink Bug Parasitoids. Insects 2017, 8, 65.
Tillman G. Ecosystem-Based Incorporation of Nectar-Producing Plants for Stink Bug Parasitoids. Insects. 2017; 8(3):65.Chicago/Turabian Style
Tillman, Glynn. 2017. "Ecosystem-Based Incorporation of Nectar-Producing Plants for Stink Bug Parasitoids." Insects 8, no. 3: 65.
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