Biological control of Leptopharsa gibbicarina (Hemiptera: Tingidae) with the ant Crematogaster sp. (Hymenoptera: Formicidae) in oil palm

https://doi.org/10.25100/socolen.v24i2.9841
Published: 15-07-1998
Keywords:
Insect introduction, Elaeis guinnensis, Bug, Predation, Population sampling, Pest control

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Issue: Vol. 24 No. 2 (1998)
Section Agriculture / Research paper

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Authors

MARTHA LUCÍA MONTAÑEZ Universidad Nacional de Colombia, Sede Bogotá
HUGO CALVACHE-GUERRERO Corporación Centro de Investigación en Palma de Aceite (Cenipalma)
JESÚS EMILIO CUQUE-Z. Universidad Nacional de Colombia, Sede Bogotá. Facultad de Agronomía
ADALBERTO MÉNDEZ Profesional Independiente
Abstract

This work was carried out on the farm "Las Delicias" in Ciénega, (Mag.), from January to September. 1995. The objective was to evaluate Crematogaster sp.ant predation on the Leptopharsa gibbicarina Froeschner bug, which induces "Pestaintiopsis" on palm leaves. The area with the highest bug population was selected, according to preestablished levels (high: 12 or more, Medium: 11-8, and Low 7­0 average bugs per leaf). Field evaluation of predation by Crematogaster sp. on bugs was made. Folioles with different instars of L. gibbicarina were taken and placed on ant paths on the palm stipe, to evaluate ant behavior toward bugs. Also. a sampling of bug popu­lation, an introduction of nests with ant colonies on the Palco stipe and monthly monitoring of the bug population to determine the level of ant control was made. The results show that Crematogaster sp. decreases the bug population to low levels by predation. The low index of bug population foud by the end of the period shows the importance of using Crentatogaster sp. colonies as part of integrated pest management and biological control of L. gibbicarina.

How to Cite
1.
MONTAÑEZ ML, CALVACHE-GUERRERO H, CUQUE-Z. JE, MÉNDEZ A. Biological control of Leptopharsa gibbicarina (Hemiptera: Tingidae) with the ant Crematogaster sp. (Hymenoptera: Formicidae) in oil palm. Rev. Colomb. Entomol. [Internet]. 1998 Jul. 15 [cited 2026 Jan. 7];24(2):89-94. Available from: https://revistacolombianaentomologia.univalle.edu.co/index.php/SOCOLEN/article/view/9841
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