Screening for mycotoxins with larvae of Tenebrio molitor. |
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| Authors: | G R Davis J D Smith B Schiefer F M Loew |
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| Institution: | 1. Entomology Section, Agriculture Canada Research Station, Saskatoon, Saskatchewan S7N OX2, Canada;2. Plant Pathology Section, Agriculture Canada Research Station, Saskatoon, Saskatchewan S7N OX2, Canada;3. Department of Veterinary Pathology and Veterinary Physiological Sciences, College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0, Canada |
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| Abstract: | Larvae of the yellow mealworm, Tenebrio molitor, were used to screen isolates of field and storage fungi, included in their dietary substrate, for mycotoxins. Feeding of three isolates of Fusarium roseum, two of Fusarium equiseti and of Fusarium nivale, and one of an unidentified species of Fusarium resulted in growth depression of the larvae. One isolate of an unidentified species of Myrothecium was also toxic to larvae of Tenebrio molitor. Mycotoxin production was apparently dependent, not only on the fungal isolate, but also on the culture conditions under which the fungus was grown. Some fungal isolates had growth-promoting qualities for larvae of Tenebrio molitor. |
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