Comparative performance of the red flour beetle Tribolium castaneum (Coleoptera: Tenebrionidae) on different plant diets

Comparative performance of the red flour beetle Tribolium castaneum (Coleoptera: Tenebrionidae) on different plant diets

Tribolium castaneum is a pest of stored foods that causes serious economic losses. Understanding insect nutritional requirements and the effects of different diets on insect development can provide tools for developing strategies to control insect and integrated pest management systems. In this work...

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Bibliographic Details
Published in:Journal of pest science Vol. 87; no. 3; pp. 495 - 506
Main Authors: Fabres, Arianne, de Campos Macedo da Silva, Janaina, Fernandes, Kátia V. S, Xavier-Filho, José, Rezende, Gustavo Lazzaro, Oliveira, Antonia Elenir Amancio
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer-Verlag 2014
Springer Berlin Heidelberg
Springer Nature B.V
Subjects:
Agricultural practices
Agriculture
alpha-amylase
Biomedical and Life Sciences
Carbohydrates
Cysteine proteinase
cysteine proteinases
Diet
Digestive enzymes
Ecology
Economic impact
economics
Entomology
enzyme activity
Essential nutrients
Flour
Forestry
Hatching
Herbivores
Insect control
insect development
Insects
Integrated pest management
Larvae
Life Sciences
Management systems
mortality
nutrient requirements
Nutrients
Nutritional requirements
nutritional status
Original Paper
Pest control
Pests
Phaseolus vulgaris
Plant Pathology
Plant Sciences
Protease
pupae
Serine
Serine proteinase
serine proteinases
storage pests
toxicity
triacylglycerols
Tribolium castaneum
Triglycerides
Vigna unguiculata
Wheat
wheat flour
α-Amylase
Wheat
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Summary:Tribolium castaneum is a pest of stored foods that causes serious economic losses. Understanding insect nutritional requirements and the effects of different diets on insect development can provide tools for developing strategies to control insect and integrated pest management systems. In this work we studied the performance of the T. castaneum on different plant diets composed of Vigna unguiculata, Phaseolus vulgaris and wheat flours. The diets interfered differentially with development and insect survival. Larvae size was reduced about 60 % in larvae fed with V. unguiculata flour. A delay in pupae formation was also observed. The larval mortality of 100 % was observed in the P. vulgaris diet. Carbohydrate and triglyceride showed variations during development and with different diets. Larvae fed with wheat diets showed a high concentration of carbohydrates 21 days after hatching (DAH) and triglyceride at 15 and 21 DAH. Larvae fed with wheat diets showed α-amylase activity during development. At 15 DAH the activity of larvae fed with V. unguiculata increased about 50 %. Cysteine protease activity in larvae fed with wheat remained high throughout development. Serine protease activity also varied according to diets. These results show that the nutritional state of developing larvae varies greatly with respect to triglycerides, carbohydrate and digestive enzymes depending on the diet and larval stage. Altogether, these results show that changes in dietary nutrients can interfere with insect physiology. Therefore changes in diet composition that may deprive insects of essential nutrients or include toxic compounds might be a good control strategy for stored product pests.
Bibliography:http://dx.doi.org/10.1007/s10340-014-0569-3
ISSN:1612-4758
1612-4766
DOI:10.1007/s10340-014-0569-3