Location: Southeast Watershed ResearchTitle: Assessment of development, parasitism, and predation of Hoalyomorpha halys (Hemiptera: Pentatomidae) in sassafras (Lauraceae) in southeastern US agroecosystems
|Tillman, Patricia - Glynn|
|KESHEIMER, KATELYN - Auburn University|
|HIRSCH, KATHERINE - Auburn University|
Submitted to: Florida Entomologist
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 9/23/2022
Publication Date: 4/18/2023
Citation: Tillman, P.G., Kesheimer, K.A., Hirsch, K., Grabarczyk, E.E. 2023. Assessment of development, parasitism, and predation of Hoalyomorpha halys (Hemiptera: Pentatomidae) in sassafras (Lauraceae) in southeastern US agroecosystems. Florida Entomologist. 106(1):16-21. https://doi.org/10.1653/024.106.0103.
Interpretive Summary: Not Required
Technical Abstract: The invasive brown marmorated stink bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), is a polyphagous pest that disperses from non-crop host plants into crops to search for available food. Sassafras trees (Sassafras albidum (Nutt.) Nees) are commonly found in woodland habitats in the southeastern US. Therefore, the main objective of this 2-yr study was to determine if sassafras serves as a host plant for this pest in woodland habitats adjacent to crops in Alabama and Georgia. Each year pheromone-baited traps were deployed in the canopy of sassafras trees to capture H. halys. Parasitism and predation of H. halys sentinel egg masses by native parasitoids and predators in sassafras was also evaluated. Halyomorpha halys adult males and females as well as second through fifth instars were captured in traps and observed in sassafras trees, each year of the study. Trissolcus euschisti Ashmead (Hymenoptera: Scelionidae) (67.7%), Anastatus reduvii (Howard) (Hymenoptera: Eupelmidae) (18.3%) were the primary parasitoid species that emerged from H. halys sentinel egg masses. Stylet sucking (62.3%) and chewing (32.0%) were the primary types of predation on H. halys eggs. We conclude that sassafras is a significant host plant for H. halys, and native natural enemies prey on and parasitize H. halys egg masses in this host plant.