Case study: Trap crop with pheromone traps for suppressing Euschistus servus (Heteroptera: Pentatomidae) in cotton

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Abstract

The brown stink bug, Euschistus servus (Say), can disperse from source habitats, including corn, Zea mays L., and peanut, Arachis hypogaea L., into cotton, Gossypium hirsutum L. Therefore, a 2-year on-farm experiment was conducted to determine the effectiveness of a sorghum (Sorghum bicolor (L.) Moench spp. bicolor) trap crop, with or without Euschistus spp. pheromone traps, to suppress dispersal of this pest to cotton. In 2004, density of E. servus was lower in cotton fields with sorghum trap crops (with or without pheromone traps) compared to control cotton fields. Similarly, in 2006, density of E. servus was lower in cotton fields with sorghum trap crops and pheromone traps compared to control cotton fields. Thus, the combination of the sorghum trap crop and pheromone traps effectively suppressed dispersal of E. servus into cotton. Inclusion of pheromone traps with trap crops potentially offers additional benefits, including: (1) reducing the density of E. servus adults in a trap crop, especially females, to possibly decrease the local population over time and reduce the overwintering population, (2) reducing dispersal of E. servus adults from the trap crop into cotton, and (3) potentially attracting more dispersing E. servus adults into a trap crop during a period of time when preferred food is not prevalent in the landscape. Copyright © 2012 P. G. Tillman and T. E. Cottrell.

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Tillman, P. G., & Cottrell, T. E. (2012). Case study: Trap crop with pheromone traps for suppressing Euschistus servus (Heteroptera: Pentatomidae) in cotton. Psyche (London). https://doi.org/10.1155/2012/401703

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