?ABUNDANCE OF RICE GREEN LEAFHOPPERS,NEPHOTETTIX SP.(HOMOPTERA: CICADELLIDAE) IN DIFFERENT RICE VARIETIES ANDTHEIR INTERRELATIONSHIPS WITH NATURALPREDATORS
Keywords:
Green leafhoppers,Rice varieties, Predators.Abstract
Abundanceofgreenleafhoppers,Nephotettix sp.andinterrelationshipbetweengreenleafhoppersandtheirnatural predatorswasstudiedon21ricevarieties/lines. ThevarietyKladomaandlineBG-915showedminimumandmaximum
susceptibilityto greenleafhopperattack.The highestleafhopperpopulationwasrecorded35days aftertransplanting
andthereafteragradualdensitydeclineonplantageoccured.Outoffivepredatorsnamely,Conocephalus, Tetragnatha, .Micraspis, Oxyopes andAgriocnemus, predatorMicraspis is themost importantwhich madehighlypositivecorrela-
tion(0.1'69),maximumdirecteffects(0.144)andmaximuminfluences(2.85%)ontheabundanceofgreenleafhoppers,
