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1

Reduced melanization after death in larvae of the confused flour beetle, Tribolium confusum, as a result of the irradiation treatment

100%
Ignatowicz S., Zaedee I. H.
Polskie Pismo Entomologiczne
|
1996
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tom 65
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nr 1-2
2
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

The carcinogenic effects of benzoquinones produced by the flour beetle

67%
Lis L., Bakula T., Baranowski M., Czarnewicz A.
Polish Journal of Veterinary Sciences
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2011
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tom 14
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nr 1
Humans and animals come into contact with various compounds in their natural environment. Most of the encountered substances are neutral, yet some may carry adverse health effects. The ingested food may be a source of harmful substances, including benzoquinones which, as shown by research results cited in this paper, demonstrate toxic, carcinogenic and enterotoxic activity. This group of compounds is inclusive of 2-methyl-1,4-benzoquinone (MBQ) and 2-ethyl-1,4-benzoquinone (EBQ), defensive secretions of the confused flour beetle (Tribolium confusum J. du V) and the red flour beetle (Tribolium castaneum Herbst). Benzoquinones have a carcinogenic effect, they are inhibitors of growth of various microorganisms, they produce a self-defense mechanism in threat situations and affect population aggregation. As noted by the referenced authors, the properties of benzoquinones have not been fully researched to this date.
3

Reaction of phenotypes of Tribolium castaneum [Herbst] and T.confusum [Duval] to changes in their diet

67%
Prus T., Bijok P., Prus M.
Polish Journal of Ecology
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2000
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tom 48
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nr 3
4
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The influence of varying level of wheat proteinaceous inhibitors in wheat-based artificial feed on development parameters of selected stored product insects

51%
Warchalewski J. R., Gralik J., Winiecki Z., Nawrot J., Piasecka-Kwiatkowska D.
Journal of Plant Protection Research
|
2001
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tom 41
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nr 3
The artificially made kernels from ground wheat grain, commercial wheat starch and wheat proteinaceous α-amylase inhibitors in different proportions were used as feed for adults of the granary weevil (Sitophilus granarius L.). In the case of larvae of the confused flour beetle (Tribolium confusum Duv.) and the Mediterranean flour moth (Anagasta kuehniella Zell.) the friable feed mixture were used. The survival of S. granarius adults has not been correlated with the soluble proteins extracted from wheat and amylolytic activity located in this protein fraction. On the other hand the weight of dust (the index of feeding intensity) produced during feeding has depended on the presence of α-amylase and trypsin inhibitors in wheat-based feed. A. kuehniella larvae have not developed at all on feed consisted of 50% wheat starch and 50% of crude a-amylase inhibitors from wheat. The same feed has caused 15.1 days of extension in development time of T. confusum larvae. lt attests to specific native enzymatic apparatus existing in alimentary canals of three damaging grain species which can overcome some obstacles even if extremely highly active insect α-amylase inhibitors were present in feed. However, the sufficient nutrient should be available in feed compounds. Nevertheless, some reduction of insects population can be expected.
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