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1 July 2016 Diurnal Activities of the Brown Stink Bug (Hemiptera: Pentatomidae) in and near Tasseling Corn Fields
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The demand for effective management of the brown stink bug, Euschistus servus (Say), in corn and other crops has been increasing in recent years. To identify when and where the stink bugs are most likely to occur for targeted insecticide application, diurnal activities of stink bugs in and near the fields of tasseling corn plants were monitored using pheromone traps. Trap capture of the brown stink bugs in the corn field showed that the number of females was greater at corn field edges than in the interior, but there was no difference in male capture between the edge and interior. Stink bug dispersal within corn fields was further monitored using a mark–release–recapture technique, but the technique was not effective because only one of 158 marked individuals was recovered in the pheromone trap. To further understand the movement pattern among host plants, brown stink bugs were monitored continuously for 6 d near the tasseling corn fields using the pheromone traps. The number of females caught in pheromone traps near the corn fields in early mornings and evenings was greater than in the midafternoon. Within each sampling time across the 6-d monitoring period, total number and number of each sex caught in early mornings were greater on the first 2 d when compared to the remaining 4-d monitoring period. The implications of the findings for brown stink bug management are discussed.

Xinzhi Ni, Ted E. Cottrell, Michael D. Toews, P. Glynn Tillman, and G. David Buntin "Diurnal Activities of the Brown Stink Bug (Hemiptera: Pentatomidae) in and near Tasseling Corn Fields," Journal of Entomological Science 51(3), 226-237, (1 July 2016).
Accepted: 1 March 2016; Published: 1 July 2016

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