Journal of Biological Control

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Studies on the Parasitoids of the Serpentine Leaf Miner, Liriomyza trifolii (Burgess) in Tomato Ecosystem under Mid Hill Condition of Himachal Pradesh


Affiliations
1 Department of Entomology and Apiculture, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India
 

The species diversity of parasitoids of the serpentine leaf miner, Liriomyza trifolii (Burgess) in tomato ecosystem was conducted under mid hill conditions of Himachal Pradesh during 2008–2010. The tomato leaves were collected periodically from June to September from three strata i.e. bottom, middle and top portion of the plants at random. During the course of study four species of larval parasitoids viz., Neochrysocharis formosa (Westwood), Diglyphus sp., Asecodes sp. and Chrysocharis sp. belonging to the family Eulophidae and one species of larval-pupal parasitoid, Opius sp. belonging to the family Braconidae were identified. These parasitoids were active throughout the cropping season and the parasitization ranged from 6.0 - 21.1, 19.4 - 28.6 and 13.6 - 23.1 per cent during 2008, 2009 and 2010, respectively. It was maximum (20.1 - 28.6%) during the month of August. Marginally higher parasitization (14.3 - 26.7%) was observed in the middle stratum of the foliage than in top (11.1 - 24.0%) or bottom (6.7 - 20.0%) stratum during all the three years of study. Among the larval parasitoids, N. formosa was the predominant species (81.5%), whereas, other parasitoids such as Diglyphus sp., Chrysocharis sp. and Asecodes sp. comprised of 7.4, 7.4 and 3.7 per cent of the total population of the larval parasitoids.

Keywords

Liriomyza trifolii, Parasitoids, Serpentine Leaf Miner, Tomato.
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  • Studies on the Parasitoids of the Serpentine Leaf Miner, Liriomyza trifolii (Burgess) in Tomato Ecosystem under Mid Hill Condition of Himachal Pradesh

Abstract Views: 224  |  PDF Views: 148

Authors

P. L. Sharma
Department of Entomology and Apiculture, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India
U. Chauhan
Department of Entomology and Apiculture, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India
P. R. Gupta
Department of Entomology and Apiculture, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India
K. C. Sharma
Department of Entomology and Apiculture, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India
S. P. Verma
Department of Entomology and Apiculture, Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India

Abstract


The species diversity of parasitoids of the serpentine leaf miner, Liriomyza trifolii (Burgess) in tomato ecosystem was conducted under mid hill conditions of Himachal Pradesh during 2008–2010. The tomato leaves were collected periodically from June to September from three strata i.e. bottom, middle and top portion of the plants at random. During the course of study four species of larval parasitoids viz., Neochrysocharis formosa (Westwood), Diglyphus sp., Asecodes sp. and Chrysocharis sp. belonging to the family Eulophidae and one species of larval-pupal parasitoid, Opius sp. belonging to the family Braconidae were identified. These parasitoids were active throughout the cropping season and the parasitization ranged from 6.0 - 21.1, 19.4 - 28.6 and 13.6 - 23.1 per cent during 2008, 2009 and 2010, respectively. It was maximum (20.1 - 28.6%) during the month of August. Marginally higher parasitization (14.3 - 26.7%) was observed in the middle stratum of the foliage than in top (11.1 - 24.0%) or bottom (6.7 - 20.0%) stratum during all the three years of study. Among the larval parasitoids, N. formosa was the predominant species (81.5%), whereas, other parasitoids such as Diglyphus sp., Chrysocharis sp. and Asecodes sp. comprised of 7.4, 7.4 and 3.7 per cent of the total population of the larval parasitoids.

Keywords


Liriomyza trifolii, Parasitoids, Serpentine Leaf Miner, Tomato.

References