Abstract

VIVAS CARMONA, Luis Enrique  and  ASTUDILLO GARCIA, Dilcia Herminia. Population dynamics of rice water weevil (Lissorhoptus venezolanus) in Calabozo, Guárico State, Venezuela. J. Selva Andina Biosph. [online]. 2021, vol.9, n.1, pp.3-14. ISSN 2308-3867.  https://doi.org/10.36610/j.jsab.2021.090100003.

Population studies of insect, (Lissorhoptus venezolanus) were performed using a light trap located in the Centre of Agricultural Research INIA Calabozo, Guárico state, from 2001 to 2017. The objectives of this study were to study the population dynamics of the insect L. venezolanus and the ratio of the population with five climatic factors, information provided by the Climatology section of the same center. Rice cultivation in Calabozo presents the species L. venezolanus important pest during the winter, reaching population peaks during the months of April and May in the years of study. Statistical not significance between insect populations with low temperatures, high, evaporation and precipitation.

Keywords : Coleóptera; Oryza sativa; climatic variables; light trap; rice; plague.

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