Hymenoptera: Formicidae: Amblyoponinae) and Description of the Worker Caste
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Newly Discovered Sister Lineage Sheds Light on Early Ant Evolution
Newly discovered sister lineage sheds light on early ant evolution Christian Rabeling†‡§, Jeremy M. Brown†¶, and Manfred Verhaagh‡ †Section of Integrative Biology, and ¶Center for Computational Biology and Bioinformatics, University of Texas, 1 University Station C0930, Austin, TX 78712; and ‡Staatliches Museum fu¨r Naturkunde Karlsruhe, Erbprinzenstr. 13, D-76133 Karlsruhe, Germany Edited by Bert Ho¨lldobler, Arizona State University, Tempe, AZ, and approved August 4, 2008 (received for review June 27, 2008) Ants are the world’s most conspicuous and important eusocial insects and their diversity, abundance, and extreme behavioral specializations make them a model system for several disciplines within the biological sciences. Here, we report the discovery of a new ant that appears to represent the sister lineage to all extant ants (Hymenoptera: Formicidae). The phylogenetic position of this cryptic predator from the soils of the Amazon rainforest was inferred from several nuclear genes, sequenced from a single leg. Martialis heureka (gen. et sp. nov.) also constitutes the sole representative of a new, morphologically distinct subfamily of ants, the Martialinae (subfam. nov.). Our analyses have reduced the likelihood of long-branch attraction artifacts that have trou- bled previous phylogenetic studies of early-diverging ants and therefore solidify the emerging view that the most basal extant ant lineages are cryptic, hypogaeic foragers. On the basis of morpho- logical and phylogenetic evidence we suggest that these special- EVOLUTION ized subterranean predators are the sole surviving representatives of a highly divergent lineage that arose near the dawn of ant diversification and have persisted in ecologically stable environ- ments like tropical soils over great spans of time. -
Digging Deeper Into the Ecology of Subterranean Ants: Diversity and Niche Partitioning Across Two Continents
diversity Article Digging Deeper into the Ecology of Subterranean Ants: Diversity and Niche Partitioning across Two Continents Mickal Houadria * and Florian Menzel Institute of Organismic and Molecular Evolution, Johannes-Gutenberg-University Mainz, Hanns-Dieter-Hüsch-Weg 15, 55128 Mainz, Germany; [email protected] * Correspondence: [email protected] Abstract: Soil fauna is generally understudied compared to above-ground arthropods, and ants are no exception. Here, we compared a primary and a secondary forest each on two continents using four different sampling methods. Winkler sampling, pitfalls, and four types of above- and below-ground baits (dead, crushed insects; melezitose; living termites; living mealworms/grasshoppers) were applied on four plots (4 × 4 grid points) on each site. Although less diverse than Winkler samples and pitfalls, subterranean baits provided a remarkable ant community. Our baiting system provided a large dataset to systematically quantify strata and dietary specialisation in tropical rainforest ants. Compared to above-ground baits, 10–28% of the species at subterranean baits were overall more common (or unique to) below ground, indicating a fauna that was truly specialised to this stratum. Species turnover was particularly high in the primary forests, both concerning above-ground and subterranean baits and between grid points within a site. This suggests that secondary forests are more impoverished, especially concerning their subterranean fauna. Although subterranean ants rarely displayed specific preferences for a bait type, they were in general more specialised than above-ground ants; this was true for entire communities, but also for the same species if they foraged in both strata. Citation: Houadria, M.; Menzel, F. -
Zootaxa, Hymenoptera, Formicidae, Dolichoderinae
Zootaxa 776: 1–10 (2004) ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ ZOOTAXA 776 Copyright © 2004 Magnolia Press ISSN 1175-5334 (online edition) A new species of the genus Bothriomyrmex Emery, 1869 (Hymenoptera: Formicidae: Dolichoderinae) from Costa Rica DMITRY A. DUBOVIKOFF1 & JOHN T. LONGINO2 1 Department of Entomology, Faculty of Biology and Soil Sciences, Saint Petersburg State University, 7/9 Uni- versiteskaya nab., St. Petersburg, 199034, Russia, [email protected] 2 The Evergreen State College, Olympia WA 98505 USA, [email protected] Abstract Bothriomyrmex paradoxus Dubovikov and Longino sp. nov. is described from Costa Rica, based on two collections from widely separated localities. These are the first collections of the genus Bothri- omyrmex in the Americas. The genus Bothriomyrmex can be divided into Palearctic species (Both- riomyrmex s.s.) and Oriental and Australian species, based on differences in palp formula and queen wing venation. Bothriomyrmex paradoxus shares palp and wing characters with the Palearc- tic species. It is probably native to Central America and long separated from its Old World relatives. Key words: Bothriomyrmex, Formicidae, Dolichoderinae, Costa Rica Introduction The subfamily Dolichoderinae is comprised of 22 genera, the majority of which are Old World (Shattuck 1992, Bolton 2003, Brandão et al. 1999). The dolichoderine genera with significant indigenous radiations in the New World are Azteca, Dolichoderus, Dory- myrmex, Forelius, Linepithema, Liometopum, and Tapinoma. Three additional genera have been reported as rare or introduced elements. Technomyrmex, a diverse genus in the Old World, is represented in the New World by one introduced tramp species and, paradoxi- cally, one native species from Panama and Costa Rica (Wheeler 1934, Longino pers. -
The Functions and Evolution of Social Fluid Exchange in Ant Colonies (Hymenoptera: Formicidae) Marie-Pierre Meurville & Adria C
ISSN 1997-3500 Myrmecological News myrmecologicalnews.org Myrmecol. News 31: 1-30 doi: 10.25849/myrmecol.news_031:001 13 January 2021 Review Article Trophallaxis: the functions and evolution of social fluid exchange in ant colonies (Hymenoptera: Formicidae) Marie-Pierre Meurville & Adria C. LeBoeuf Abstract Trophallaxis is a complex social fluid exchange emblematic of social insects and of ants in particular. Trophallaxis behaviors are present in approximately half of all ant genera, distributed over 11 subfamilies. Across biological life, intra- and inter-species exchanged fluids tend to occur in only the most fitness-relevant behavioral contexts, typically transmitting endogenously produced molecules adapted to exert influence on the receiver’s physiology or behavior. Despite this, many aspects of trophallaxis remain poorly understood, such as the prevalence of the different forms of trophallaxis, the components transmitted, their roles in colony physiology and how these behaviors have evolved. With this review, we define the forms of trophallaxis observed in ants and bring together current knowledge on the mechanics of trophallaxis, the contents of the fluids transmitted, the contexts in which trophallaxis occurs and the roles these behaviors play in colony life. We identify six contexts where trophallaxis occurs: nourishment, short- and long-term decision making, immune defense, social maintenance, aggression, and inoculation and maintenance of the gut microbiota. Though many ideas have been put forth on the evolution of trophallaxis, our analyses support the idea that stomodeal trophallaxis has become a fixed aspect of colony life primarily in species that drink liquid food and, further, that the adoption of this behavior was key for some lineages in establishing ecological dominance. -
Regulation of Queen Development Through Worker Aggression in A
Behavioral Ecology 2 Behavioral Ecology doi:10.1093/beheco/ars062 Advance Access publication 26 April 2012 stress may be used to inhibit queen development in wasps (25 °C, 12:12 light/day) and fed live crickets (Acheta domesticus) (Jeanne 2009), and observations of antennal drumming in Po- twice per week, which workers paralyze in the foraging arena Original Article listes fuscatus have been linked to regulation of caste develop- and bring into the nest. All colonies used in this experiment ment (Suryanarayanan et al. 2011). In the ant Myrmica, workers were headed by gamergates (mated reproductive workers). have been observed biting queen-destined larvae at the end of the breeding season, piercing the larval cuticle, and a portion JH application and induction of queen development Regulation of queen development through of these larvae revert to worker development (Brian 1973). In the context of these previous studies, we hypothesized that To confirm that JHA application could induce queen develop- worker aggression in a predatory ant mechanical stress may serve as a mechanism to regulate queen ment in H. saltator, we tested the effect of topical application development in ants, particularly species from the relatively of JHA on final instar larvae (fourth instar). Twenty to thirty basal subfamily Ponerinae whose members share a number of fourth instar larvae (4.1–6.5 mm in length) were taken from April 26 ancestral characters in morphology and behavior that may limit a single mature colony and divided evenly between 2 groups Clint A. Penick and Ju¨rgen Liebig worker control over larval feeding (Schmidt 2009). -
Borowiec Et Al-2020 Ants – Phylogeny and Classification
A Ants: Phylogeny and 1758 when the Swedish botanist Carl von Linné Classification published the tenth edition of his catalog of all plant and animal species known at the time. Marek L. Borowiec1, Corrie S. Moreau2 and Among the approximately 4,200 animals that he Christian Rabeling3 included were 17 species of ants. The succeeding 1University of Idaho, Moscow, ID, USA two and a half centuries have seen tremendous 2Departments of Entomology and Ecology & progress in the theory and practice of biological Evolutionary Biology, Cornell University, Ithaca, classification. Here we provide a summary of the NY, USA current state of phylogenetic and systematic 3Social Insect Research Group, Arizona State research on the ants. University, Tempe, AZ, USA Ants Within the Hymenoptera Tree of Ants are the most ubiquitous and ecologically Life dominant insects on the face of our Earth. This is believed to be due in large part to the cooperation Ants belong to the order Hymenoptera, which also allowed by their sociality. At the time of writing, includes wasps and bees. ▶ Eusociality, or true about 13,500 ant species are described and sociality, evolved multiple times within the named, classified into 334 genera that make up order, with ants as by far the most widespread, 17 subfamilies (Fig. 1). This diversity makes the abundant, and species-rich lineage of eusocial ants the world’s by far the most speciose group of animals. Within the Hymenoptera, ants are part eusocial insects, but ants are not only diverse in of the ▶ Aculeata, the clade in which the ovipos- terms of numbers of species. -
Aphaenogaster Senilis
Effect of social factors on caste differentiation in the ant Aphaenogaster senilis Camille Ruel ! EFFECT OF SOCIAL FACTORS ON CASTE DIFFERENTIATION IN THE ANT APHAENOGASTER SENILIS Camille RUEL A thesis submitted for the degree of Ph.D., Doctor of philosophy in biological science, at the Universitat Autònoma de Barcelona, Doctorado de Ecología Terrestre del CREAF (Centre de Recerca Ecològica i Aplicacions Forestals) Supervised by Xim Cerdá, Associate Professor of Research at the CSIC Raphaël Boulay, Professor at the Université de Tours Javier Retana, Professor at the Universitat Autònoma de Barcelona at the Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas, Sevilla, España and financed by JAE-doc grants, CSIC Xim Cerdá Raphaël Boulay Javier Retana Advisor Advisor Supervisor Camille Ruel January 2013 ! "! 2 À ma mère, à mon père, et à notre histoire. 3 Acknowledgments Aux hasards de la vie. À celui même qui m’a porté jusqu’à Séville, aux évènements qui m’ont décidés à m’engager dans cette longue aventure, et aux hasards des rencontres, qui enrichissent tant. À la tolérance, la curiosité, l’enrichissement, la découverte, la ténacité, la critique, la force. Quiero agradecer a mis 2 jefes, Xim y Raphaël, por darme esa oportunidad de trabajar con Aphaenogaster senilis en condiciones tan buenas. Gracias por su disponibilidad, gracias por estos 4 años. Une pensée pour Alain Lenoir et Abraham Hefetz. Merci pour votre soutien et vos enseignements. Por su ayuda a lo largo del doctorado : T. Monnin, A. Rodrigo, X. Espadaler y F. Garcia del Pino. Une petite pensée également pour le groupe de Jussieu, qui m’a donné le goût de la recherche et fait découvrir le monde passionnant des insectes sociaux. -
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ISSN 1997-3500 Myrmecological News myrmecologicalnews.org Myrmecol. News 30: 27-52 doi: 10.25849/myrmecol.news_030:027 16 January 2020 Original Article Unveiling the morphology of the Oriental rare monotypic ant genus Opamyrma Yamane, Bui & Eguchi, 2008 (Hymeno ptera: Formicidae: Leptanillinae) and its evolutionary implications, with first descriptions of the male, larva, tentorium, and sting apparatus Aiki Yamada, Dai D. Nguyen, & Katsuyuki Eguchi Abstract The monotypic genus Opamyrma Yamane, Bui & Eguchi, 2008 (Hymeno ptera, Formicidae, Leptanillinae) is an ex- tremely rare relictual lineage of apparently subterranean ants, so far known only from a few specimens of the worker and queen from Ha Tinh in Vietnam and Hainan in China. The phylogenetic position of the genus had been uncertain until recent molecular phylogenetic studies strongly supported the genus to be the most basal lineage in the cryptic subterranean subfamily Leptanillinae. In the present study, we examine the morphology of the worker, queen, male, and larva of the only species in the genus, Opamyrma hungvuong Yamane, Bui & Eguchi, 2008, based on colonies newly collected from Guangxi in China and Son La in Vietnam, and provide descriptions and illustrations of the male, larva, and some body parts of the worker and queen (including mouthparts, tentorium, and sting apparatus) for the first time. The novel morphological data, particularly from the male, larva, and sting apparatus, support the current phylogenetic position of the genus as the most basal leptanilline lineage. Moreover, we suggest that the loss of lancet valves in the fully functional sting apparatus with accompanying shift of the venom ejecting mechanism may be a non-homoplastic synapomorphy for the Leptanillinae within the Formicidae. -
Fossil Ants (Hymenoptera: Formicidae): Ancient Diversity and the Rise of Modern Lineages
Myrmecological News 24 1-30 Vienna, March 2017 Fossil ants (Hymenoptera: Formicidae): ancient diversity and the rise of modern lineages Phillip BARDEN Abstract The ant fossil record is summarized with special reference to the earliest ants, first occurrences of modern lineages, and the utility of paleontological data in reconstructing evolutionary history. During the Cretaceous, from approximately 100 to 78 million years ago, only two species are definitively assignable to extant subfamilies – all putative crown group ants from this period are discussed. Among the earliest ants known are unexpectedly diverse and highly social stem- group lineages, however these stem ants do not persist into the Cenozoic. Following the Cretaceous-Paleogene boun- dary, all well preserved ants are assignable to crown Formicidae; the appearance of crown ants in the fossil record is summarized at the subfamilial and generic level. Generally, the taxonomic composition of Cenozoic ant fossil communi- ties mirrors Recent ecosystems with the "big four" subfamilies Dolichoderinae, Formicinae, Myrmicinae, and Ponerinae comprising most faunal abundance. As reviewed by other authors, ants increase in abundance dramatically from the Eocene through the Miocene. Proximate drivers relating to the "rise of the ants" are discussed, as the majority of this increase is due to a handful of highly dominant species. In addition, instances of congruence and conflict with molecular- based divergence estimates are noted, and distinct "ghost" lineages are interpreted. The ant fossil record is a valuable resource comparable to other groups with extensive fossil species: There are approximately as many described fossil ant species as there are fossil dinosaurs. The incorporation of paleontological data into neontological inquiries can only seek to improve the accuracy and scale of generated hypotheses. -
Spatio-Temporal Differentiation and Sociality in Spiders
Spatio-Temporal Differentiation and Sociality in Spiders Jessica Purcell1,2*, Joa˜o Vasconcellos-Neto3, Marcelo O. Gonzaga4, Jeffrey A. Fletcher1¤, Leticia Avile´ s1 1 Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada, 2 Department of Ecology and Evolution, University of Lausanne, Baˆtiment Biophore, Lausanne, Switzerland, 3 Department de Zoologia, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, Sa˜o Paolo, Brazil, 4 Instituto de Biologia, Universidade Federal de Uberlandia, Uberlandia, Minas Gerais, Brazil Abstract Species that differ in their social system, and thus in traits such as group size and dispersal timing, may differ in their use of resources along spatial, temporal, or dietary dimensions. The role of sociality in creating differences in habitat use is best explored by studying closely related species or socially polymorphic species that differ in their social system, but share a common environment. Here we investigate whether five sympatric Anelosimus spider species that range from nearly solitary to highly social differ in their use of space and in their phenology as a function of their social system. By studying these species in Serra do Japi, Brazil, we find that the more social species, which form larger, longer–lived colonies, tend to live inside the forest, where sturdier, longer lasting vegetation is likely to offer better support for their nests. The less social species, which form single-family groups, in contrast, tend to occur on the forest edge where the vegetation is less robust. Within these two microhabitats, species with longer-lived colonies tend to occupy the potentially more stable positions closer to the core of the plants, while those with smaller and shorter-lived colonies build their nests towards the branch tips. -
Description of a New Genus of Primitive Ants from Canadian Amber
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Center for Systematic Entomology, Gainesville, Insecta Mundi Florida 8-11-2017 Description of a new genus of primitive ants from Canadian amber, with the study of relationships between stem- and crown-group ants (Hymenoptera: Formicidae) Leonid H. Borysenko Canadian National Collection of Insects, Arachnids and Nematodes, [email protected] Follow this and additional works at: http://digitalcommons.unl.edu/insectamundi Part of the Ecology and Evolutionary Biology Commons, and the Entomology Commons Borysenko, Leonid H., "Description of a new genus of primitive ants from Canadian amber, with the study of relationships between stem- and crown-group ants (Hymenoptera: Formicidae)" (2017). Insecta Mundi. 1067. http://digitalcommons.unl.edu/insectamundi/1067 This Article is brought to you for free and open access by the Center for Systematic Entomology, Gainesville, Florida at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Insecta Mundi by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. INSECTA MUNDI A Journal of World Insect Systematics 0570 Description of a new genus of primitive ants from Canadian amber, with the study of relationships between stem- and crown-group ants (Hymenoptera: Formicidae) Leonid H. Borysenko Canadian National Collection of Insects, Arachnids and Nematodes AAFC, K.W. Neatby Building 960 Carling Ave., Ottawa, K1A 0C6, Canada Date of Issue: August 11, 2017 CENTER FOR SYSTEMATIC ENTOMOLOGY, INC., Gainesville, FL Leonid H. Borysenko Description of a new genus of primitive ants from Canadian amber, with the study of relationships between stem- and crown-group ants (Hymenoptera: Formicidae) Insecta Mundi 0570: 1–57 ZooBank Registered: urn:lsid:zoobank.org:pub:C6CCDDD5-9D09-4E8B-B056-A8095AA1367D Published in 2017 by Center for Systematic Entomology, Inc. -
August, 2009 ======Enjoy the Rest of the Summer, and I Hope to See You August 7-10 at the Minor Orders Blitz at Schoodic Point
============================================================================================= Vol. 13, No. 3 August, 2009 =========================================================================================== Enjoy the rest of the summer, and I hope to see you August 7-10 at the Minor Orders Blitz at Schoodic Point. * * * * * Last Chance for Minor Order Blitz! (with dates for 2010 and 2011 Blitzes) The Acadia BioBlitz on August 7-10, for Minor Insect Orders (full details in the May issue of The Maine Entomologist and on our web site), is about full. BUT if you have a last- minute change of heart (or just procrastinated), and want to attend and participate, please contact Melissa Rice ASAP at Acadia Partners for Science and Learning, at 207-288-1326 or [email protected] . Writing is not one of my favorite activities and certainly not in the summer. But here I am, presenting some words of wisdom for the Summer of Rain, 2009. Collecting has been tough; it has to be squeezed in between rain - not just showers - but rain and cool weather. Planned days off, free afternoons, and weekend trips all are getting rained out this year. Collecting insects is more difficult and not as much fun in the wet. Last weekend I was at my camp in T4 R7 WELS and the storm clouds cleared off just before sunset. As dusk deepened we sat by the pond and watched the thousands of insects skittering across the water while the bats swooped across the water scooping up their prey. What surprised all of us was the lack of A veritable army of workers in the lab at last year's Bug Blitz mosquitoes.