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Control of leaf cutting ants in cocoa plantations


, : Control of leaf cutting ants in cocoa plantations. Revista Theobroma 16(4): 199-211

Information is presented on the geographical distribution and economic importance of and damage caused by leaf-cutting formicids belonging to the genera Atta and Acromyrmex occurring in the cocoa-producing countries of South and Central America, with emphasis on Brazil.

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Zanetti, R.; Zanuncio, J.C.; Vilela, E.F.; Leite, H.G.; Lucia, T.M.C.D.; Couto, L., 1999: Effect of eucalypt species and natural vegetation on the control cost of leaf-cutting ants in Eucalyptus spp. plantations. The effects were studied of the eucalypt species planted and the presence of native vegetation on the cost of controlling leaf-cutting ants (Atta sexdens and A. laevigata) in reforested areas in Brazil. The data used were from the leaf-cutting ant...

Lofgren C.S.; Vander Meer R.K., 1986: Fire ants and leaf cutting ants biology and management research conference on fire ants and leaf cutting ants assessment of basic and applied research for improving pest management strategies gainesville florida usa march 5 7 1985. Lofgren, C S And R K Vander Meer (Ed ) Fire Ants And Leaf Cutting Ants: Biology And Management; Research Conference on Fire Ants And Leaf-Cutting Ants: Assessment Of Basic And Applied Research For Improving Pest Management Strategies, Gainesville, Fla , Usa, Mar 5-7, 1985 Xv+435p Westview Press: Boulder, Colo , Usa; London, England Illus Paper Xv+435p

Lewis, T., 1972: The size and effect of infestations of leaf-cutting ants (Attinae: Hym) in cocoa in Trinidad. In studies in Trinidad, the density of nests of Atta cephalotes (L.) and Acromyrmex octospinosus (Reich) in fields of established cacao and of young trees was compared. Where ants were controlled in bearing crops, the mean density of Acromyrmex wa...

Garrett, R.W.; Carlson, K.A.; Goggans, M.Scott.; Nesson, M.H.; Shepard, C.A.; Schofield, R.M.S., 2016: Leaf processing behaviour in Atta leafcutter ants: 90% of leaf cutting takes place inside the nest, and ants select pieces that require less cutting. Leafcutter ants cut trimmings from plants, carry them to their underground nests and cut them into smaller pieces before inoculating them with a fungus that serves as a primary food source for the colony. Cutting is energetically costly, so the am...

Oliveira, M.A. de; Della Lucia, T.M.C.; Anjos, N. dos, 1998: Occurrence and nest density of leaf-cutting ants in eucalypt plantations in southern Bahia. Formicid nests were sampled in Eucalyptus plantations aged 6, 16, 68 and 192 months and in a Brachiaria decumbens pasture, in Bahia, Brazil, during July-August 1994. Ten species of leaf-cutting ants were recorded. Acromyrmex landolti balzani, A. r...

Oliveira, M.A.tonio De; Della Lucia, T.M.C.; Anjos, N.D.s, 1998: Occurrence and nest density of leaf-cutting ants under eucalypt plantations in southern Baha. A total of 10 quadrats of 80 X 9 m were sampled in eucalypt plantings of several ages and also in a pasture area. In these sites nests were marked and specimens were collected for later identification. Ten species of leaf-cutters were registered i...

Zanetti, R.; Zanuncio, J.C.; Vilela, E.F.; Leite, H.G.; Jaffe, K.; Oliveira, A.C., 2003: Level of economic damage for leaf-cutting ants (Hymenoptera: Formicidae) in Eucalyptus plantations in Brazil. The objective of this research was to estimate level of economic damage for leaf-cutting ants (Hymenoptera: Formicidae) in Eucalyptus plantations, because it represents an important tool for integrated management of these pests. Data from the fore...

Zanuncio, J.; Lopes, E.; Leite, H.; Zanetti, R.S.diyama, C.; Queiroz-Fialho, M.D., C., 2004: Sampling methods for monitoring the number and area of colonies of leaf-cutting ants (Hymenoptera: Formicidae) in Eucalyptus plantations in Brazil. The number and the area of colonies of leaf-cutting ants were evaluated with two sampling methods from May to July 1998 in a Eucalyptus plantation in the Municipality of Montes Claros, State of Minas Gerais, Brazil. The area sampled, the time spen...

Souza, A.; Zanetti, R.; Calegario, N., 2012: Economic damage level for leaf-cutting ants in function of the productivity index of eucalyptus plantations in an Atlantic Forest region. The production and quality of eucalyptus plantations have been studied in areas with different densities of ant nests, being important to estimate losses caused by leaf-cutting ants. The effects of leaf-cutting ant on wood production in differents...

Stahel, G.; Geijskes, D.C., 1940: Leaf-cutting Ants and their Control. Two leaf-cutting ants, Atia cephalotes, L., and A. sexdens, L., are serious pests in Dutch Guiana, the former chiefly attacking coffee and Citrus and the latter cassava. An account is given of the organization and economy of their colonies, and th...