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Species Composition and Seasonal Distribution of the Endoparasitoids on Acronicta rumicis (Lepidoptera, Noctuidae)

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2006, v.29 no.1, pp.55-60



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Abstract

Forty six individuals out of 200 Acronicta rumicis larva were parasitized (23 %) in 2000, 14individuals out of 60 (23.33 %) in 2001, and 14 individuals out of 62 (22.58 %) in 2002. The mean parasitism rate was 22.97 0.38 %. The parasitism rate was 36.36 % in May and 52.78 % in October, 2000, 75 % and 50 % in May and October 2001, 71.4 % and 47.37 % in May and October 2002 and it was much higher than June 2002. There was no difference in the monthly mean parasitism rate, but the rate was the highest in May and October. The parasitoid of the larva of A. rumicis was the highest by 7.02 % of parasitic wasps, and 13.51 % of parasitic flies. It was found that multiparasitism was 4.05 % and hyperparasitism was 5.41 %. In case of parasitic wasps whose parasitism rate is the highest, the rate of Braconidae and Ichneumonidae was 70.18 % and 29.82 % respectively. That is, the former has much higher parasitism rate. The parasitism rate of the larva of A. rumicis was found that Microplitis sp. is 5.28 0.63 %, Glyptapanteles liparidis 8.62 3.70 %, and Diadegma sp. 4.021.28 % respectively.

keywords
Acronicta rumicis, Diadegma sp., Glyptapanteles liparidis, Microplitis sp., ParasitismCho, Young Ho et al. J. Ecol. Field Biol. 29 (1) 56This paper describes a study on A. rumicis parasitoid. It belongs to an aboriginal insect among the Rumex obtusi, Acronicta rumicis, Diadegma sp., Glyptapanteles liparidis, Microplitis sp., ParasitismCho, Young Ho et al. J. Ecol. Field Biol. 29 (1) 56This paper describes a study on A. rumicis parasitoid. It belongs to an aboriginal insect among the Rumex obtusi

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Journal of Ecology and Environment