Composition and Abundance of Stink Bugs (Heteroptera: Pentatomidae) in Corn

摘要: The species composition and abundance of stink bugs (Heteroptera: Pentatomidae) in corn, Zea mays L., was determined this on-farm study Georgia. Seven phytophagous were found on corn with the predominant being Nezara viridula (L.) Euschistus servus (Say). All developmental stages these two pests found, indicating they developing crop. remaining five species, Oebalus pugnax (F.), quadrator (Rolston), tristigmus (Say), ictericus (L.), Acrosternum hilare relatively low numbers. Adult N. parasitized by tachinid parasitoid Trichopoda pennipes (F.). There a pronounced edge effect distribution corn. Population dynamics E. different early late-planted Oviposition females both bug occurred mid-to-late-May again mid-to-late-June regardless planting date. In planted fields, if oviposited mid-July, resulting nymphs did not survive to adult stage because ears close physiological maturity leaves senescing. Density adults throughout growing season. consistently laid eggs mid-to-late-July ears. This habitat favored continued nymph development, population reached high levels. These results indicate that management practices play key role ecology agroecosystems provide information for designing strategies suppress farmscapes