Influences of plant species on life history traits of Cotesia rubecula (Hymenoptera: Braconidae) and its host Pieris rapae (Lepidotera: Pieridae) |
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Authors: | Roya Talaei |
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Institution: | aCrop Protection, Shahed University, Tehran-Qom Highway, Karaj, Tehran 3155769185, Iran |
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Abstract: | The relative suitability of four plants was studied for larvae of Pieris rapae L. and its parasitoid Cotesia rubecula (Marshall). For unparasitized P. rapae, pupal dry weight and egg-pupa growth rate were higher on cabbage, radish and nasturtium than on Indian hedge mustard. Larval developmental rate and size were greatest for C. rubecula when its host was feeding on nasturtium. Wasp survival was not affected by the host insect/plant combination in which the parasitoid developed. These results indicate that the plant on which host larvae feed is an important factor in development of the parasitoid. |
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Keywords: | Host plant species Parasitoid wasp Developmental time Cotesia rubecula Pieris rapae |
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