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Traits allowing some ant species to nest syntopically with the fire ant Solenopsis saevissima in its native range

Insect Science 2015年第2期22卷 289-294页

作者： Alain Dejean Bruno Corbara Regis Cereghino Maurice Leponce Olivier Roux Vivien Rossi Jacques H. C. Delabie Arthur Compin CNRS Ecologie des Forets de Guyane (UMR-CNRS 8172) Campus agronomique BP 316 97387 Kourou cedex Universite de Toulouse UPS INP Ecolab 118 route de Narbonne 31062 Toulouse CNRS-UMR 6023 Laboratoire Microorganismes Genome et Environnement Universite Blaise Pascal Complexe Scientifique des Cezeaux 63177 Aubiere cedex Clermont UniversitY Universite Blaise Pascal LMGE BP 10448 F-63000 Clermont-Ferrand CNRS Laboratoire Ecologie Fonctionnelle et Environnement (UMR-CNRS 5245) 31062 Toulouse France Biological Assessment Section Royal Belgian Institute of Natural Sciences Brussels Belgium IRD Maladies Infectieuses et Vecteurs Ecologie Genetique Evolution et Controle (UMR- IRD 224) Equipe BEES 911 avenue AgropolisBP 64501 34394 Montpellier CIRAD Ecofog (UMR-CIRAD 93) Campus Agronomique 97379 Kourou cedex France U.P.A.Laboratorio de Mirmecologia Conv~nio UESC/CEPLAC C.P. 7 45600-000 Itabuna Bahia Brazil

Supercolonies of the red fire ant Solenopsis saevissima （Smith） develop in disturbed environments and likely alter the ant community in the native range of the species. For example, in French Guiana only 8 ant species were repeatedly noted as nesting in close vicinity to its mounds. Here, we verified if a shared set of biological, ecological, and behavioral traits might explain how these 8 species are able to nest in the presence of S. saevissima. We did not find this to be the case. We did find, however, that all of them are able to live in disturbed habitats. It is likely that over the course of evolution each of these species acquired the capacity to live syntopically with S. saevissima through its own set of traits, where colony size （4 species develop large colonies）, cuticular compounds which do not trigger aggressiveness （6 species） and submissive behaviors （4 species） complement each other.

关键词： ant community fire ants invasive species Solenopsis saevissima species coexistence supercoloniality

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The Guianese population of the fire ant Solenopsis saevissima is unicolonial

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Insect Science 2016年第5期23卷 739-745页

作者： Alain Lenoir Severine Devers Axel Touchard Alain Dejean lRBI Institut de Recherche sur la Biologie de I'lnsecte UMR CNRS 7261 Universite Francois Rabelais 37200 Tours CNRS Ecologie des Forets de Guyane (UMR CNRS 8172) Campus agronomique BP 316 97379 Kourou cedex Universite de Toulouse UPS INP Ecolab 118 route de Narbonne 31062 Toulouse and CNRS Ecolab (UMR-CNRS 5245) 31062 Toulouse France

In this study, conducted in French Guiana, a part of the native range of the fire ant Solenopsis saevissima, we compared the cuticular hydrocarbon profiles of media workers with previous results based on intraspecific aggressiveness tests. We noted a strong congruence between the two studies permitting us to delimit 2 supercolonies extending over large distances （up to 54 kin）, a phenomenon known as unicoloniality. Solenopsis geminata workers, taken as an out-group for cluster analyses, have a very different cuticular hydrocarbon profile. Because S. saevissima has been reported outside its native range, our conclusion is that this species has the potential to become invasive because unicoloniality （i.e., the main attribute for ants to become invasive） was shown at least for the Guianese population.

关键词： biological invasions cuticular hydrocarbons fire ants unicoloniality

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Characterization of Allele Diversity in a Microsatellite Locus: A Registry for Solenopsis invicta

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Advances in Entomology 2016年第1期4卷 32-36页

作者： Rodrigo Fernando de Souza Fernando Kamimura Cocchi Cíntia Martins Maria Santina de Castro Morini Odair Correa Bueno Núcleo de Ciências Ambientais Universidade de Mogi das Cruzes Mogi das Cruzes Brasil Centro de Estudos de Insetos Sociais Instituto de Biociências Campus Rio Claro Universidade Estadual Paulista Julio de Mesquita Filho Rio Claro Brasil Campus Ministro Reis Veloso Universidade Federal do Piauí Parnaíba Brasil

The genus Solenopsis includes more than 100 species in the New World. When introduced, some species cause serious harm to the native wildlife and agriculture. Two forms of social organization are known in the genus, namely, monogyne and polygyne. Here, we present the genetic profile of a Solenopsis invicta Buren 1972 colony recorded in the central region of the city of São Paulo, São Paulo state, Brazil (23°33'37.18"S;46°42'48.66"W) to describe allele diversity. Eight microsatellite loci were used for the analysis of 30 worker ants. The results show the presence of seven alleles genotyped at the same microsatellite locus. Because this is an unusual finding, all of the alleles were sequenced, and surprisingly, an eighth allele was identified. These data suggest that the intracolonial genetic profile of fire ants must be investigated more frequently because there may be unexpected, albeit unknown, genetic patterns for S. invicta that can help inform better control and management programs.

关键词： fire ants Intracolonial Microsatellites Alleles

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Corrigendum

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Insect Science 2007年第2期14卷 172-172页

A correction to the article 'Advancement on Techniques for the Separation and Maintenance of the Red Imported fire Ant Colonies' is presented.

关键词： fire ants

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