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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 3
Effect of sugar food type and concentration on feeding behavior and life expectancy of a parasitoid wasp (Hymenoptera: Ichneumonidae)

Yee May Htet and Takatoshi Ueno

Many species of insect parasitoids depend on carbohydrate-rich sources to sustain their activity. The present study focused on the effects of sugar-food type (sucrose vs. honey) and concentration on food searching behavior and survival of Itoplectis naranyae, a parasitoid wasp attacking lepidopteran pests of rice. While food type, sugar concentration and wasp age did not affect their feeding responses, males fed on sugar food more often than females, and smaller wasps approached more quickly to food. Sex- or size-linked differences in survival were not detected but wasps that had fed sucrose lived longer. Also, wasp age had a great impact on life expectancy after the last meal, and older wasps had lower life expectancy, suggesting that older wasps have to find a suitable sugar source more frequently. The implications of the present results were discussed in the context of the importance of food on parasitoids.
Pages : 17-21 | 1650 Views | 564 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Yee May Htet, Takatoshi Ueno. Effect of sugar food type and concentration on feeding behavior and life expectancy of a parasitoid wasp (Hymenoptera: Ichneumonidae). J Entomol Zool Stud 2019;7(3):17-21.

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