Results 151 to 160 of about 1,006 (167)
Facultative polygyny in Ectatomma tuberculatum (Formicidae, Ectatomminae)
Insectes Sociaux, 2005 Polygyny, the presence of several mated queens within the same colony, is widespread in insect societies. This phenomenon is commonly associated with ecological constraints such as limited nest sites. In habitats where solitary nest foundation is risky, monogynous colonies can reintegrate young daughter queens (secondary polygyny).
R. R. Hora +5 more
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Advances in taxonomy and evolution of the Ectatomminae
2016 International Congress of Entomology, 2016R. Feitosa
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Diversity of butterfly–ant symbioses in the neotropical genus Ectatomma (Formicidae: Ectatomminae)
Insectes SociauxJ. Lachaud +3 more
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Organisms Diversity & Evolution, 2015
Due to its high biodiversity and its complex climatic and geological history, the Neotropical region has caught the attention of evolutionary and conservation biologists. The Neotropics have an understudied and probably extensive cryptic diversity, stemming from old lineages that have persisted through time with highly similar morphology or from new ...
A. Nettel-Hernanz +4 more
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Due to its high biodiversity and its complex climatic and geological history, the Neotropical region has caught the attention of evolutionary and conservation biologists. The Neotropics have an understudied and probably extensive cryptic diversity, stemming from old lineages that have persisted through time with highly similar morphology or from new ...
A. Nettel-Hernanz +4 more
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Protoplasma, 2019
Gnamptogenys includes 138 described species that are widely distributed, with high diversity, in the Neotropics. Some Neotropical species have taxonomic issues, as is the case with Gnamptogenys striatula, for which morphological variations have been observed between different populations.
G. Teixeira +3 more
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Gnamptogenys includes 138 described species that are widely distributed, with high diversity, in the Neotropics. Some Neotropical species have taxonomic issues, as is the case with Gnamptogenys striatula, for which morphological variations have been observed between different populations.
G. Teixeira +3 more
semanticscholar +3 more sources
Naturwissenschaften, 2007
In the ectatommine ant Ectatomma tuberculatum, the visual appearance of queens changes after mating and ovarian development in that their cuticle turns from shiny to matte. In this study, we have shown that this change seems to be caused by 15-fold accumulation of hydrocarbons, in particular heptacosane that covers the multiple grooves present on the ...
R. R. Hora +6 more
semanticscholar +3 more sources
In the ectatommine ant Ectatomma tuberculatum, the visual appearance of queens changes after mating and ovarian development in that their cuticle turns from shiny to matte. In this study, we have shown that this change seems to be caused by 15-fold accumulation of hydrocarbons, in particular heptacosane that covers the multiple grooves present on the ...
R. R. Hora +6 more
semanticscholar +3 more sources
Sur l'identité du nomen nudum Typhlomyrmex bruchi Santschi, 1922 (Formicidae, Ectatomminae)
Bulletin de la Société entomologique de France, 2005L'existence de materiel biologique associe au nomen nudum Typhlomyrmex bruchi Santschi, 1922, est discutee : plusieurs coincidences relevees entre la publication de ce taxon et celle de Prionopelta bruchi Santschi, 1923, et l'absence verifiee de materiel-type pour T. bruchi, nous permettent de conclure que le specimen mentionne par Santschi (1922) sous
Lacau, Sébastien +2 more
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Zootaxa, 2014
Of the subfamilies and genera known from Vietnam, the following taxa are treated in this second part of the series entitled “Generic Synopsis of the Formicidae of Vietnam”: Cerapachyinae: Cerapachys, Simopone; Aenictinae: Aenictus; Dorylinae: Dorylus; Leptanillinae: Leptanilla, Protanilla; Amblyoponinae: Myopopone, Mystrium, Opamyrma, Prionopelta ...
K. Eguchi, Bui Tuan Viet, S. Yamane
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Of the subfamilies and genera known from Vietnam, the following taxa are treated in this second part of the series entitled “Generic Synopsis of the Formicidae of Vietnam”: Cerapachyinae: Cerapachys, Simopone; Aenictinae: Aenictus; Dorylinae: Dorylus; Leptanillinae: Leptanilla, Protanilla; Amblyoponinae: Myopopone, Mystrium, Opamyrma, Prionopelta ...
K. Eguchi, Bui Tuan Viet, S. Yamane
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2015
Ectatomminae Emery, 1895 91 Ectatomma brunneum Smith F., 1858: Peru (Kempf 1972a, Fernandez & Sendoya 2004, Bolton et al. 2007); Cu; MD (Escalante Gutiérrez 1993). 92 Ectatomma edentatum Roger, 1863: Peru (Kempf 1972a, Escalante Gutiérrez 1993, Fernandez & Sendoya 2004, Bolton et al. 2007, Antweb 2015).
Bezděčková, Klára +2 more
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Ectatomminae Emery, 1895 91 Ectatomma brunneum Smith F., 1858: Peru (Kempf 1972a, Fernandez & Sendoya 2004, Bolton et al. 2007); Cu; MD (Escalante Gutiérrez 1993). 92 Ectatomma edentatum Roger, 1863: Peru (Kempf 1972a, Escalante Gutiérrez 1993, Fernandez & Sendoya 2004, Bolton et al. 2007, Antweb 2015).
Bezděčková, Klára +2 more
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Journal of Systematic Palaeontology, 2012
Ants are a very successful group among insects, but the course of evolution of their biodiversity is still unclear. This study sheds light on ant diversification during the Eocene. Analysis of the ant taphocoenosis of the fossil site Grube Messel, Germany (47 Ma) yielded three poneromorph subfamilies and 22 new species in six genera, four of which are ...
G. Dlussky, S. Wedmann
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Ants are a very successful group among insects, but the course of evolution of their biodiversity is still unclear. This study sheds light on ant diversification during the Eocene. Analysis of the ant taphocoenosis of the fossil site Grube Messel, Germany (47 Ma) yielded three poneromorph subfamilies and 22 new species in six genera, four of which are ...
G. Dlussky, S. Wedmann
semanticscholar +2 more sources