2013
DOI: 10.1590/s1519-69842013000300026
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Abstract: The ant Atta robusta is endemic to the "restinga" ecosystems where it has an important role in the dynamics of seed dispersal. Despite its importance, A. robusta is considered a threatened species. In this study we analyzed the antennal sensory organs of two different populations of A. robusta (from the cities of São Mateus and Maricá in in Espírito Santo and Rio de Janeiro States, respectively) using a scanning electron microscope (SEM). SEM revealed different types of sensilla in the A. robusta antennae, i.e… Show more

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Cited by 11 publications
(8 citation statements)
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“…This study provided a comparative analysis of the morphology and distribution of the sensilla on the dorsal surface of the antennal flagellomeres of T. fiebrigi . There are 10 flagellomeres in females and 11 flagellomeres in males, and variations between males and females were also observed in terms of the number of sensilla on the flagellum of T. fiebrigi as reported for other hymenopterans (Esslen & Kaissling, ; Marques‐Silva et al , ; Nakanishi et al , ; Euzébio et al , ; Ravaiano et al , ; Carvalho et al , ).…”
Section: Discussionmentioning
confidence: 60%
See 1 more Smart Citation
“…This study provided a comparative analysis of the morphology and distribution of the sensilla on the dorsal surface of the antennal flagellomeres of T. fiebrigi . There are 10 flagellomeres in females and 11 flagellomeres in males, and variations between males and females were also observed in terms of the number of sensilla on the flagellum of T. fiebrigi as reported for other hymenopterans (Esslen & Kaissling, ; Marques‐Silva et al , ; Nakanishi et al , ; Euzébio et al , ; Ravaiano et al , ; Carvalho et al , ).…”
Section: Discussionmentioning
confidence: 60%
“…The type, abundance, and distribution of sensilla depend on the species, behavior, sensory needs (Fernandes, Pimenta & Linardi, ; Faucheux, Kristensen & Yen, ), and geographic occurrence of individuals. The variability is possibly due to the phenotypic plasticity and is an important response to environmental changes (Esteban et al , ; Euzébio, Martins & Fernandes‐Salomão, ; Elgar et al , ).…”
Section: Introductionmentioning
confidence: 99%
“…octospinosus would be dependent on neuroreceptors located in the antennae [36]. Morphological analyses using scanning electron microscopy showed differentiation in these sensorystructures in Atta robusta [38]. In a recent study, whose results serve as a model for ants in general, Slone et al [39] analyzed Harpegnathos saltator and identified several subfamilies of olfactory receptors, demonstrating the complexity and sophistication of this sensory organ.…”
Section: Entomopathogenic Fungimentioning
confidence: 99%
“…The sensilla of insects are usually formed by an oligocellular complex with one or more bipolar sensitive neurons associated with accessory thecogen, trichogen, and tormogen cells (Schneider, 1964;Keil, 1997;Euzebio et al, 2013). The thecogen cell envelops the neuron as a sheath for structural and metabolic support.…”
Section: Introductionmentioning
confidence: 99%