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Funded Project

Funding Program: Regional IPM Grants (S-RIPM)

Project Title: Improvement and Field Validation of an Attract-and-Kill Station for the Indianmeal Moth

Project Director (PD): Thomas W. Phillips [1]

Lead State: OK Lead Organization: Oklahoma State University

Research Funding: $75,179

Start Date: Aug-15-2003 End Date: Aug-14-2005

Summary: None provided Objectives: None provided

Final Report:

Results PROGRESS: 2003/08 TO 2006/08 We developed a female moth attractant through extraction of a particular whole ground food material. Among several grain or seed-based foods tested, one was highly attractive to female Indianmeal moths. A hexane extract of this material proved more attractive than extracts made from methanol or ether. Thermal stability studies showed that heating the hexane extract for 24 hrs caused a loss of activity, so only cold hexane extractions were made. Compounds were identified from the active extract and the current female lure is a mixture of these compounds applied to a piece of cotton wick. Longevity trials determined that the female lure applied to a cotton wick was active for more than four weeks at room temperature. A field trial at a commercial food warehouse showed that the female lure could attract female Indianmeal moths and that numbers of females were positively correlated with numbers of males caught in male traps baited with synthetic sex pheromone. Experiments on oviposition behavior of the Indianmeal moth found that females need both physical and chemical stimuli to elicit oviposition. A hexane extract of wheat kernels applied to glass beads elicited much more oviposition than the same extract applied to either cheese cloth, sandpaper or a flat surface. IMPACT: 2003/08 TO 2006/08 A patent application for the female attractant was filed and the technology has been licensed to company that is marketing the product. PUBLICATIONS (not previously reported): 2003/08 TO 2006/08 1. Nansen, C., W. Meikle and T. W. Phillips. 2006. Ovipositional response of the Indianmeal moth, Plodia interpunctella Hubner (Lepidoptera: Pyralidae) to size, quality and number of food patches. Annals Entomol. Soc. Am. 99:253-260. 2. Nansen, C., T. W. Phillips, P. K. Morton and E. L .Bonjour. 2006. Spatial analysis of pheromone-baited trap captures from controlled releases of male Indianmeal moths. Environ. Entomol. 35: 516-523.

Outcomes N/A

Impacts From report submitted by the PI to USDA CRIS report system A patent application for the female attractant was filed and the technology has been licensed to company that is marketing the product.

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