A comparison of the effect of two diatomaceous earth formulations on Plodia interpunctella (Hübner) and the effect of different commodities on diatomaceous earth efficacy

@article{Timlick2010ACO,
  title={A comparison of the effect of two diatomaceous earth formulations on Plodia interpunctella (H{\"u}bner) and the effect of different commodities on diatomaceous earth efficacy},
  author={B. Timlick and P. Fields},
  journal={Julius-K{\"u}hn-Archiv},
  year={2010},
  pages={840-844}
}
The efficacy of two diatomaceous earth formulations was tested on five commodities; maize, wheat, birdseed, sunflower and barley, against Plodia interpunctella (Lepidoptera: Pyralidae). [...] Key Method Exposure to DE began at either the egg stage or 3rd instar stage and the reduction in emergence to adult was noted. There was no significant difference between the freshwater and marine (Protect-It) DE. When eggs were placed on treated diet, the LD90 was 135, 143 and 805 ppm for maize, wheat and birdseed…Expand
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