Abstract

SUAREZ, Alián; ARRIECHE, Norayda  and  PAZ, Ramón. Digitized monitoring gives Hypothenemus hampei Ferrari 1867 (Coleoptera: Curculionidae) in the National Park Terepaima, Lara State, Venezuela. Bioagro [online]. 2013, vol.25, n.3, pp.201-206. ISSN 1316-3361.

The digitized monitoring for the percentage of infestation and number of berry borers per trap (NBBT) represents an important tool for the correct planning and location of the traps in the field for the capture of the insect Hypothenemus hampei. For this reason, this work was carried out in the farm El Potrerito in the Terepaima National Park. The investigation consisted in the placement of 30 homemade traps, distributed uniformly and located 25 m apart each other inside the coffee plantation. The traps were monitored in a monthly frequency during a cycle of the crop. The information was analyzed using the method of kriging of the ArcGIS program, version 9.3. The infestation percentage of H. hampei presented an increase of 10 % during the cycle as a consequence of the increase of the population density of the berry borer in the field. The maximum value of the NBBT (539.6) was due to the massive emergency of adult borers in traffic, related with the rain peaks. Geostatistical analysis of the infestation percentage and NBBT indicated that this behavior may be explained by an exponential model, with acceptable reliability, since the nugget effect in both cases was less than 50 %.

Keywords : Coffee berry borer; spatial distribution; homemade traps.

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