Search Results - "Josens, R"

Experimental evidence of the “Faster is Slower” effect in the evacuation of ants by Soria, S.A., Josens, R., Parisi, D.R.

“…► State of the art in panic egress are computer simulations that still need validation. ► We study the evacuation of ants from a chamber. ► Ants were forced to…”
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Faster-is-slower effect in escaping ants revisited: Ants do not behave like humans by Parisi, D.R., Soria, S.A., Josens, R.

“…•The experimental egress of ants was compared with human egress in emergency conditions.•The behavior of ants and humans was very different when evacuating…”
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Feeding behavior and social interactions of the Argentine ant Linepithema humile change with sucrose concentration by Sola, F J, Josens, R

“…Liquid sugar baits are well accepted by the Argentine ant Linepithema humile and are suitable for the chemical control of this invasive species. We evaluated…”
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Sucrose acceptance threshold: a way to measure sugar perception in ants by Falibene, A, Josens, R

“…Variation in the perception of sweet taste is a well-known phenomenon in the animal kingdom. Well-established protocols for measuring sucrose responsiveness in…”
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Observation of leaf-cutting ants foraging on wild mushrooms by Lechner, B. E, Josens, R

“…This study reports on the observation of an unusual behavior in leaf-cutting ants: foraging on wild mushrooms. A colony of Acromyrmex lundi in Buenos Aires…”
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Nectar feeding by the ant Camponotus mus: intake rate and crop filling as a function of sucrose concentration by Josens, R.B, Farina, W.M, Roces, F

“…In independent assays, workers of the ant Camponotus mus were conditioned to visit an arena where they found a large drop of sucrose solution of different…”
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Antennation of nectar-receivers encodes colony needs and food-source profitability in the ant Camponotus mus by MC CABE, S, FARINA, W. M, JOSENS, R. B

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Nectar feeding and body size in the ant Camponotus mus by JOSENS, R. B

“…Feeding behavior and worker polymorphism were studied in the ant Camponotus mus. Individual workers were conditioned to visit an arena in which an ad libitum…”
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Nectar foraging behaviour is affected by ant body size in Camponotus mus by Medan, Violeta, Josens, Roxana B.

“…The nectivorous ant Camponotus mus shows a broad size variation within the worker caste. Large ants can ingest faster and larger loads than small ones…”
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Foraging in the ant Camponotus mus: nectar-intake rate and crop filling depend on colony starvation by Josens, Roxana B, Roces, Flavio

“…The effects of colony starvation on the dynamics of nectar collection were studied in individual workers of the ant Camponotus mus. A laboratory colony was…”
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Nectar feeding by the hovering hawk moth Macroglossum stellatarum: intake rate as a function of viscosity and concentration of sucrose solutions by Josens, R B, Farina, W M

“…Although nectar feeding in insects has long been studied, the knowledge of the effect of nectar energy content on the ingestion dynamics separately from the…”
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Individual olfactory learning in Camponotus ants by Dupuy, Fabienne, Sandoz, Jean-Christophe, Giurfa, Martin, Josens, Roxana

“…We studied olfactory learning in two ant species, Camponotus mus from Argentina and Camponotus fellah from Israel. To this end, we established an experimental…”
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Selective choice of sucrose solution concentration by the hovering hawk moth Macroglossum stellatarum by Josens, R.B. (Universidad de Buenos Aires, Buenos Aires, Argentina.), Farina, W.M

“…To determine the preference of the hovering hawk moth Macroglossum stellatarum for different sugar concentrations, the foraging behavior of adults were…”
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Calcium imaging in the ant Camponotus fellah reveals a conserved odour-similarity space in insects and mammals by Dupuy, Fabienne, Josens, Roxana, Giurfa, Martin, Sandoz, Jean-Christophe

“…Olfactory systems create representations of the chemical world in the animal brain. Recordings of odour-evoked activity in the primary olfactory centres of…”
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Sucking pump activity in feeding behaviour regulation in carpenter ants by Falibene, Agustina, de Figueiredo Gontijo, Alberto, Josens, Roxana

“…Modulation of liquid feeding-rate would allow insects to ingest more food in the same time when this was required. Ants can vary nectar intake rate by…”
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Individual olfactory learning in Camponotus ants by Dupuy, F., J.C., Sandoz, Giure, M., Josens, R.

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Comportamiento de ingestión en hormigas, bases fisiológicasy aplicación al control by Lois Milevicich, J, Schilman, Pablo E, Josens, R

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Food source profitability modulates compensatory responses to a visual stimulus in the hawk moth Macroglossum stellatarum by FARINA, W. M, JOSENS, R. B

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Electrical signals during nectar sucking in the carpenter ant Camponotus mus by Josens, Roxana, Falibene, Agustina, Gontijo, Alberto de Figueiredo

“…Ants of the same size can vary their intake rate of a given sucrose solution depending on the colony's needs for carbohydrates. As this capacity has not yet…”
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Food source profitability modulates compensatory responses to a visual stimulus in the hawk mothMacroglossum stellatarum by Farina, W. M., Josens, R. B.

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