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Temporal Occurrence of Stink Bug spp. (Heteroptera: Pentatomidae) in Louisiana Soybean, Grain Sorghum, and Cotton Fields

E.A. Peters, D.R. Cook, M.M. Willrich, and B.R. Leonard


The population dynamics of stink bugs (Heteroptera: Pentatomidae) were monitored during 2002 and 2003 (Jun to Sep) at four locations in Louisiana: Rayville (Richland Parish), Cheneyville (Rapides Parish), Ferriday (Concordia Parish), and Newellton (Tensas Parish). Soybean, Glycine max (L.) Merrill, grain sorghum, Sorghum bicolor (L.) Moench, and non-Bollgard cotton, Gossypium hirsutum (L.), fields were monitored weekly Jun - Aug (ca. 12 weeks). Stink bug densities were generally highest in soybean and grain sorghum and were collected in both crops from 6 Jun to 30 Aug. Considerably lower numbers were observed in non-Bollgard cotton. Peak densities in cotton fields were observed during growth stages of three to seven nodes above white flower (NAWF), which corresponded with a time interval of early Jul until mid Sep.

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Document last modified 04/27/04