Oviposition and Sex Ratio of the Redbanded Stink Bug, Piezodorous guildinii, in Soybean
AbstractRedbanded stink bug, Piezodorus guildinii (Westwood), is a significant soybean pest across the mid-south region of the United States. The objectives of these studies were to characterize: (1) redbanded stink bug oviposition in relationship to soybean maturity group (MG), plant structure, crop phenology, and vertical distribution within the plant canopy; and (2) redbanded stink bug adult sex ratios in relationship to soybean phenology. A total of 5645 redbanded stink bug eggs in 421 egg masses (clusters) were field collected from naturally-occurring populations in MG IV and V soybean over a three year period (2009 to 2011). The mean number of eggs within a cluster was 16.6 ± 0.3. Plant structures by MG interactions were highly significant with more egg masses oviposited on leaves in MG IV (79.4%) and more on pods in MG V (72.7%). The ratio of females to males was similar in all soybean growth stages except R5, where the sex ratio increased to 1.4:1, coinciding with peak oviposition. Only 29.9% of egg clusters in MG IV and 18.3% of egg clusters in MG V were oviposited in the upper 35 cm of the soybean canopy. Based on these results, sampling strategies and insecticide application placement for stink bugs may require modification. View Full-Text
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Temple, J.H.; Davis, J.A.; Hardke, J.T.; Price, P.P.; Leonard, B.R. Oviposition and Sex Ratio of the Redbanded Stink Bug, Piezodorous guildinii, in Soybean. Insects 2016, 7, 27.
Temple JH, Davis JA, Hardke JT, Price PP, Leonard BR. Oviposition and Sex Ratio of the Redbanded Stink Bug, Piezodorous guildinii, in Soybean. Insects. 2016; 7(2):27.Chicago/Turabian Style
Temple, Joshua H.; Davis, Jeffrey A.; Hardke, Jarrod T.; Price, Paul P.; Leonard, B. R. 2016. "Oviposition and Sex Ratio of the Redbanded Stink Bug, Piezodorous guildinii, in Soybean." Insects 7, no. 2: 27.
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