Results 11 to 20 of about 1,006 (167)

Geographic Spread of Gnamptogenys triangularis (Hymenoptera: Formicidae: Ectatomminae)

open access: yesPsyche: A Journal of Entomology, 2012
Gnamptogenys triangularis (Mayr), native to the forests of South and Central America, is a predatory ant that feeds on millipedes. In its native range, this species is known from Buenos Aires, Argentina (38.1°S) in the south to Costa Rica (10.4°N) in the
Joseph A. MacGown, James K. Wetterer
doaj   +3 more sources

Claves taxonómicas para las hormigas cazadoras (Hymenoptera:Formicidae: Ponerinae S. STR., Ectatomminae, Heteroponerinae) de la Sierra Nevada de Santa Marta, Colombia [PDF]

open access: yesIntropica, 2009
Con el fin de proveer una herramienta útil para el conocimiento de la fauna de hormigas de la Sierra Nevada de Santa Marta (Colombia), se presentan claves dicotómicas para la identificación de las 23 especies de hormigas de los géneros Ectatomma ...
Deiver Y. Olivero-G   +2 more
doaj   +3 more sources

A new putative species in the Ectatomma ruidum complex (Formicidae: Ectatomminae) produces a species-specific distress call [PDF]

open access: yesBioacoustics, 2021
Social insects communicate by using chemical, visual, tactile, and acoustic signals, including stridulations. Ectatomma ruidum is a mainly Neotropical ant species complex that has faced strong divergence at the genetic level; the species have a highly ...
K. P. Peña Carrillo   +6 more
semanticscholar   +3 more sources

Ecological change and conflict reduction led to a social circulatory system in ants. [PDF]

open access: yesCommun Biol
Behavioral innovations can be ecologically transformative for lineages that perform them and for their associated communities. Many ecologically dominant, superorganismal, and speciose ant lineages use mouth-to-mouth social regurgitation behavior ...
Meurville MP, Silvestro D, LeBoeuf AC.
europepmc   +3 more sources

Behavioral Differentiation and Ovarian Development of Unmated Gynes, Queens, and Workers of Ectatomma vizottoi Almeida 1987 (Formicidae, Ectatomminae)

open access: yesPsyche: A Journal of Entomology, 2012
Behavioral differentiation and ovarian development of unmated gynes, queens, and workers of Ectatomma vizottoi were investigated in laboratory conditions.
Alexsandro Santana Vieira   +2 more
doaj   +2 more sources

Worker morphology of the ant Gnamptogenys striatula Mayr (Formicidae, Ectatomminae) in different landscapes from the Atlantic Forest domain

open access: yesRevista Brasileira de Entomologia, 2015
Morphological traits, such as size and shape, may reflect a combination of ecological and evolutionary responses by organisms. Ants have been used to evaluate the relationship between the environment and species coexistence and morphology. In the present
R. F. Oliveira   +4 more
semanticscholar   +6 more sources

Hormigas cazadoras (Ectatomminae y Ponerinae) en fragmentos de bosque seco y sus matrices (Tolima, Colombia)

open access: yesRevista Colombiana de Entomología, 2012
Se evaluó la riqueza, abundancia y composición de hormigas cazadoras en tres fragmentos de bosque seco tropical en el norte del Tolima y sus matrices; además se incluyeron tres parches de matorrales, por su alta frecuencia en los paisajes evaluados.
Claudia YARA-O., Gladys REINOSO-F.
semanticscholar   +3 more sources

Temporal polyethism, life expectancy, and entropy of workers of the ant Ectatomma vizottoi Almeida, 1987 (Formicidae: Ectatomminae) [PDF]

open access: yesacta ethologica, 2010
We investigated the changes in the behavioral repertoire over the course of life and determined the life expectancy and entropy of workers of the ant Ectatomma vizottoi.
Alexsandro Santana Vieira   +2 more
semanticscholar   +3 more sources

Extrafloral nectar as entrée and elaiosomes as main course for ant visitors to a fireprone, mediterranean-climate shrub. [PDF]

open access: yesEcol Evol, 2022
Thousands of flowering plants produce both extrafloral nectaries on their leaves and seeds with nutrient‐rich appendages. Their possible interaction was examined in an Australian shrub here and shown that their co‐presence serves to attract ants to the plant throughout the year that then take the seeds from the plant to their nests during the flowering
Lamont BB, Grey J.
europepmc   +2 more sources

The role of body mass in limiting post heat-coma recovery ability in terrestrial ectotherms. [PDF]

open access: yesEcol Evol, 2023
Under global warming, animal species show shrinking body size responses to heat. We found that heat‐comatose ants were suffering high predation pressure and thus were ecologically dead. Ants with small mass, however, were more thermal resilient and likely to recover from heat‐coma as compared to larger species, providing an explanation for the decrease
Leong CM, Hui TY, Guénard B.
europepmc   +2 more sources

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