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Development of Stored-Product Moths on Cricket Powder and Insect-Enriched Biscuits.

Serena Malabusini1, Sara Savoldelli1, Andrea Bresciani1

  • 1Department of Food, Environmental and Nutritional Sciences, University of Milan, Via G. Celoria 2, 20133 Milan, Italy.

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Summary

Stored-product moths can infest edible insect products like cricket powder. While some moth species showed reduced development, they pose a potential risk to this growing food market.

Keywords:
Acheta domesticusIndian meal mothdevelopmentnovel foodrice mothsurvival

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Area of Science:

  • Food Science
  • Entomology
  • Pest Management

Background:

  • Edible insect consumption is rising in Western nations, expanding the market for insect-based foods.
  • Assessing food safety and storage requires understanding the susceptibility of insect-based products to stored-product pests.
  • Cricket powder and cricket powder-enriched foods are novel products requiring pest risk evaluation.

Purpose of the Study:

  • To evaluate the infestation potential of three common stored-product moth species on cricket powder and cricket powder-enriched biscuits.
  • To assess the impact of cricket powder as a substrate on moth development, survival, and reproduction.
  • To inform food safety and storage management strategies for edible insect products.

Main Methods:

  • Three moth species (Plodia interpunctella, Corcyra cephalonica, Ephestia kuehniella) were tested against Acheta domesticus powder and biscuits.
  • Evaluated parameters included larval development, adult emergence, wingspan, and female fertility.
  • Compared development on insect-based diets versus a standard diet.

Main Results:

  • Plodia interpunctella and Corcyra cephalonica completed development on cricket powder, but with reduced survival, longer development times, and lower fertility compared to standard diets.
  • Ephestia kuehniella could not develop on cricket powder; minimal adult emergence occurred on biscuits, with some infestation signs.
  • Cricket powder supports development of some stored-product moths, indicating a potential infestation risk.

Conclusions:

  • Stored-product moths pose a potential infestation risk to cricket powder and related food products.
  • While development may be impaired, survival and reproduction indicate a need for control measures.
  • Effective storage management is crucial for ensuring the safety and quality of the expanding edible insect market.