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BIBTEX RIS

Number of Instars of Lissorhoptrus kuscheli (Coleoptera: Curculionidae) from Rice in Venezuela

1999; Oxford University Press; Volume: 92; Issue: 2 Linguagem: Inglês

10.1093/aesa/92.2.236

ISSN

1938-2901

Autores

Alberto Pantoja, Luz María Ramírez, Luis E. Escalona, Harold Bastidas, Myriam C. Duque,

Tópico(s)

Insect Resistance and Genetics

Resumo

On the basis of head capsule widths of field-collected larvae, Lissorhoptrus kuscheli O’Brien was found to have 4 instars. The mean head capsule widths are 0.16, 0.23, 0.34, and 0.48 mm for 1st to 4th instars, respectively. L. kuscheli was recovered from ‘Araure 1’ from 3 commercial rice growing areas of Estado Portuguesa, Venezuela. Adult densities were higher in Agua Blanca than in Turen and Durigua, Venezuela. Larval densities suggest 3 generations per year in this area of Venezuela.

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