Consumo de Formigas Cortadeiras por Tamanduá-Bandeira Myrmecophaga tridactyla (Linnaeus, ) em Plantios de Pinus spp. no Paraná, Brasil. Obtenção de inseticida e fungicida contra formigas cortadeiras e seu fungo simbionte em Myracrodruon urundeuva e de complexos de coordenação com. 7 ago. Cortadeiras. Atta bisphaerica (saúva mata pasto)*. A. capiguara (saúva parda)*. A. laevigata (saúva cabeça de vidro). A. sexdens sexdens.

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Interaction between ants and seeds, with coftadeiras in the leafcutting ants. The presence of these invaders influenced the exploration, cut and transport time of the seeds by the leaf-cutting ants. However, in these areas, the contribution given by the ants was also relatively important.

A segunda parte dos trabalhos foi responder a seguinte pergunta: It was observed that, different species of ants interacted with the seeds of M.

No segundo teste, sementes coladas foram oferecidas. In olfactometer, the ants were attracted by cortqdeiras of the seeds with elaiosome and by odor of commercial baits when air was offered as alternative source. Workers of this species collected more the combination of elaiosome-grass bait. No Acamari trabalhou-se com sementes de M. The contribution of vertebrates in seed removal was expressive in the tropical area.

In the experiments wire cages 15 x 15 x 10 cm; 1. And test the following hypothesis: Formicidae com produtos naturais by: In the third and last part removal rates of seeds in two succession stage; old field with shrub regeneration and secondary forest, in tropical and temperate environments were evaluated.

Formiga-rainha

Peternelli, Ethel Fernandes de Oliveira Published: The period of the day only influenced formitas rate of removal in the tropical area, being higher in the nocturnal period. Typical myrmecochorous seeds were relatively more collected than the diplochorous.

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Formicidae em eucaliptais by: In this work the behavioral and ecological aspects of the interaction between ants and seeds were investigated. In the second test, glued seeds were offered; in the third test, the seeds were allowed to be explored by the workers of leaf-cutting ants with the presence of two invading species, Pheidole sp.

To compare the removal of seeds by ants and vertebrates in the two areas forest and old fieldtwo parallel m transects were established in each area within the Acamari or ESGR.

Part of the experiments was carried out in laboratory and part in the field. It was concluded that volatiles of seed elaiosomes were attractive to the ants, and also cortaceiras composites of elaiosome have potential to be used in the confection of toxic baits.

Seed dispersal by ants myrmecochory is important for many species of plants. Two areas were chosen to conduct this last work: Why workers of A. Three experiments of behavior with seeds of M. The study and understanding of the mirmecochory have become important tools for the comprehending the dynamics of establishment of many plant communities.

To determine which ants had interacted with the seeds, all the observed interactions between ant and seed were registered throughout a m transect.

Formigas cortadeiras e predadoras em cana-de-açúcar by Daniella Macedo on Prezi

Made available in DSpace on T Padilha, Marco Antonio Published: In the field A. Elas efetivamente dispersaram formigaz sementes de S. Peternelli, Ethel Fernandes de Oliveira. Seed dispersal Leaf-cutting ant Myrmecochory.

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In both the study areas, the research was conducted in two habitats, secondary forest and old field, using seeds of M. Another objective was to emphasize the important role the ants can exert in these environments. Thus the aim of this last experiment was to answer the following questions: They effectively dispersed the seeds of S.

Initially the role of volatile produced by elaiosome of seeds of Mabea fisutlifera Euphorbiaceae in the attraction of ants Atta sexdens rubropilosa and Atta bisphaerica was investigated, with the use of olfactometry in cortsdeiras.

After that, in the field, the attractiveness of baits made of elaiosome, elaiosome-grass and commercial baits were investigated.

Staff View: Interação entre formigas e sementes, com ênfase nas cortadeiras

These cages allowed free access to the ants. The removal of elaiosome was made essentially by the minor workers inside the colony. In this work t Doutorado em Entomologia Department: This tool could be further used for understanding succession processes in environment recovery. The second part cortadeirax the work was to answer the following questions: George nos Estados Unidos. Ants respond to the external stimulations promoted by an appendage elaiosome rich in forigas, attached on to the seed, by carrying the seeds to their nests, where the appendage is removed and used as food.

Each species of ant treated the seeds in different ways.