Recovery of two exotic parasites,Trichogramma brasiliensis [Hym.: Trichogrammatidae] andEucelatoria bryani [Dip.: Tachinidae] fromHeliothis armigera [Lep.: Noctuidae] in tomato fields |
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| Authors: | M Mani A Krishnamoorthy |
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| Institution: | (1) Biological Control Laboratory II Division of Entomology and Nematology, Indian Institute of Horticultural Research, 560080 Bangalore, India |
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| Abstract: | Heliothis armigera (Hübner) is a major pest of several crops especially tomato and pulses in India. Indigenous natural enemies likeCarcelia illota Curr.,Campoletis chlorideae Uchida,Trichogramma chilonis Ishii andHexamermis sp are unable to exert adequate control ofH. armigera in tomato. Field trials were conducted with 2 exotic parasites,Trichogramma brasiliensis (Ashmead) andEucelatoria bryani Sabrosky in tomato fields around Bangalore. Both the parasites were recovered fromH. armigera in tomato fields. Field parasitism inH. armigera byT. brasiliensis ranged from 34.6 to 51.3%. WithE. bryani, the parasitism ranged from 0.0 to 8.0%. |
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