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After studying\nthe larvae of eight dacetine genera (<jats:italic>Daceton, Orectognathus, Epopostruma, Mesostruma, Alistruma, Clarkistruma, Strumigenys<\/jats:italic>\nand <jats:italic>Smithistruma<\/jats:italic>) representing all four subtribes, we concluded\n(1954) that the larval similarities and differences confirmed the\ngrouping of the adults. But now, alas, our study of the larva of\n<jats:italic>Acanthognathus<\/jats:italic> forces us to revise our conclusion.<\/jats:p>","DOI":"10.1155\/1969\/65763","type":"journal-article","created":{"date-parts":[[2008,4,17]],"date-time":"2008-04-17T22:29:21Z","timestamp":1208471361000},"page":"110-113","source":"Crossref","is-referenced-by-count":1,"title":["The Larva of <i>Acanthognathus<\/i> (Hymenoptera: Formicidae)"],"prefix":"10.1155","volume":"76","author":[{"given":"George C.","family":"Wheeler","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jeanette","family":"Wheeler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[1969,1]]},"container-title":["Psyche: A Journal of Entomology"],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/psyche\/1969\/065763.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/psyche\/1969\/065763.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1155\/1969\/65763","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,8,8]],"date-time":"2024-08-08T03:03:30Z","timestamp":1723086210000},"score":17.508343,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1155\/1969\/65763"}},"issued":{"date-parts":[[1969,1]]},"references-count":0,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1969,1]]}},"alternative-id":["10.1155\/1969\/65763"],"URL":"https:\/\/doi.org\/10.1155\/1969\/65763","archive":["Portico"],"ISSN":["0033-2615","1687-7438"],"issn-type":[{"type":"print","value":"0033-2615"},{"type":"electronic","value":"1687-7438"}],"published":{"date-parts":[[1969,1]]}},{"institution":[{"name":"International Union for Conservation of Nature","acronym":["IUCN"]}],"indexed":{"date-parts":[[2025,3,1]],"date-time":"2025-03-01T05:21:31Z","timestamp":1740806491387,"version":"3.38.0"},"reference-count":0,"publisher":"IUCN","content-domain":{"domain":[],"crossmark-restriction":false},"published-print":{"date-parts":[[2014,7,21]]},"DOI":"10.2305\/iucn.uk.2015-4.rlts.t190157a60796036.en","type":"dataset","created":{"date-parts":[[2015,12,2]],"date-time":"2015-12-02T14:44:39Z","timestamp":1449067479000},"source":"Crossref","is-referenced-by-count":0,"title":["Lophodolos acanthognathus: Rijnsdorp, A.D., Munroe, T., Costa, M. &amp; 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The mandibles close in less than 2.5 ms and this movement is controlled by a specialized closer muscle. In\n                    <jats:italic>Acanthognathus<\/jats:italic>\n                    , unlike other insects, the mandible closer muscle is subdivided into two distinct parts: as in a catapult, a large slow closer muscle contracts in advance and provides the power for the strike while the mandibles are locked open. When the prey touches specialized trigger hairs, a small fast closer muscle rapidly unlocks the mandibles and thus releases the strike. The fast movement is steadied by large specialized surfaces in the mandible joint and the sensory\u2010motor reflex is controlled by neurones with particularly large, and thus fast\u2010conducting, axons.\n                  <\/jats:p>","DOI":"10.1046\/j.1365-3032.1998.233081.x","type":"journal-article","created":{"date-parts":[[2003,3,12]],"date-time":"2003-03-12T11:54:15Z","timestamp":1047470055000},"page":"227-240","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":50,"title":["Trap\u2010jaws revisited: the mandible mechanism of the ant\n                    <i>Acanthognathus<\/i>"],"prefix":"10.1111","volume":"23","author":[{"given":"WULFILA","family":"GRONENBERG","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C. 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Publications","issue":"2","license":[{"start":{"date-parts":[[2009,7,1]],"date-time":"2009-07-01T00:00:00Z","timestamp":1246406400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["revistacolombianaentomologia.univalle.edu.co"],"crossmark-restriction":true},"short-container-title":["Revista Colombiana de Entomolog\u00eda"],"published-print":{"date-parts":[[2009,7]]},"abstract":"<jats:p>\n                    A new species in the ant genus\n                    <jats:italic toggle=\"yes\">Acanthognathus<\/jats:italic>\n                    ,\n                    <jats:italic toggle=\"yes\">A. laevigatus<\/jats:italic>\n                    n. sp., is described from the Pacific region of Colombia (Barbacoas, Nari\u00f1o). A key to identify the eight species of\n                    <jats:italic toggle=\"yes\">Acanthognathus<\/jats:italic>\n                    known to occur in the Neotropics is provided. In addition, the species\n                    <jats:italic toggle=\"yes\">A. brevicornis<\/jats:italic>\n                    is recorded for the first time for Colombia.\n                  <\/jats:p>","DOI":"10.25100\/socolen.v35i2.9226","type":"journal-article","created":{"date-parts":[[2022,6,7]],"date-time":"2022-06-07T21:23:21Z","timestamp":1654637001000},"page":"245-249","update-policy":"https:\/\/doi.org\/10.25100\/socolen.crossmarkpolicy","source":"Crossref","is-referenced-by-count":7,"title":["Ants of Colombia X.\n                    <i>Acanthognathus<\/i>\n                    With The Description Of A New Species (Hymenoptera: Formicidae)"],"prefix":"10.1177","volume":"35","author":[{"given":"Juan Pablo","family":"Galvis","sequence":"first","affiliation":[{"name":"Bi\u00f3logo. C\u00f3digo Postal C1053ABQ. Buenos Aires, Capital Federal, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando","family":"Fern\u00e1ndez","sequence":"additional","affiliation":[{"name":"Bi\u00f3logo, Ph. D. Profesor Asociado. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Apartado 7495, Bogot\u00e1 D.C., Colombia."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2009,7,1]]},"reference":[{"key":"e_1_3_2_2_2","first-page":"1","article-title":"First description of fossil Dacetini ants with a critical analysis of the current classification of the tribe (Amber Collection Stuttgart: Hymenoptera, Formicidae. VI: Dacetini.)","volume":"198","author":"BARONI URBANI C.","year":"1994","unstructured":"BARONI URBANIC. DE ANDRADEM. L.1994. First description of fossil Dacetini ants with a critical analysis of the current classification of the tribe (Amber Collection Stuttgart: Hymenoptera, Formicidae. VI: Dacetini.). Stuttgarter Beitr\u00e4ge zur Naturkunde Serie B (Geologie und Pal\u00e4ontologie)198: 1\u201365.","journal-title":"Stuttgarter Beitr\u00e4ge zur Naturkunde Serie B (Geologie und Pal\u00e4ontologie)"},{"key":"e_1_3_2_3_2","first-page":"1","article-title":"The ant tribe Dacetini: limits and the constituent genera, with descriptions of new species","volume":"99","author":"BARONI URBANI C.","year":"2007","unstructured":"BARONI URBANIC. DE ANDRADEM. L.2007. The ant tribe Dacetini: limits and the constituent genera, with descriptions of new species. Annali del Museo Civico di Storia Naturale \"G. Doria\"99: 1\u2013192.","journal-title":"Annali del Museo Civico di Storia Naturale \"G. 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Revista Brasileira de Entomologia37: 683\u2013692.","journal-title":"Revista Brasileira de Entomologia"},{"key":"e_1_3_2_9_2","first-page":"349","article-title":"Introducci\u00f3n al estudio de las hormigas (Hymenoptera: Formicidae) de Colombia","author":"FERN\u00c1NDEZ F.","year":"1996","unstructured":"FERN\u00c1NDEZF. PALACIOE. E. MACKAYW. P. MACKAYE.1996. Introducci\u00f3n al estudio de las hormigas (Hymenoptera: Formicidae) de Colombia, pp. 349\u2013412 In: AndradeG. AmatG. Fern\u00e1ndezF. (Eds). Insectos de Colombia: Estudios Escogidos, Academia Colombiana de Ciencias Exactas, F\u00edsicas y Naturales, Colecci\u00f3n Jorge \u00c1lvarez Lleras No. 10, Bogot\u00e1 D.C., 541 p.","journal-title":"Insectos de Colombia: Estudios Escogidos, Academia Colombiana de Ciencias Exactas, F\u00edsicas y Naturales, Colecci\u00f3n Jorge \u00c1lvarez Lleras No. 10"},{"issue":"1","key":"e_1_3_2_10_2","first-page":"3","article-title":"List of Neotropical ants (Hymenoptera: Formicidae)","volume":"5","author":"FERN\u00c1NDEZ F.","year":"2004","unstructured":"FERN\u00c1NDEZF. SENDOYAS.2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana5 (1): 3\u201393.","journal-title":"Biota Colombiana"},{"key":"e_1_3_2_11_2","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1046\/j.1365-3032.1998.233081.x","article-title":"Trap-jaws revisited: the mandible mechanism of the ant Acanthognathus","volume":"23","author":"GRONENBERG W.","year":"1998","unstructured":"GRONENBERGW. BRANDAOC. 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Zoologisch-Botanischen Gesellschaft in Wien"},{"key":"e_1_3_2_16_2","first-page":"150","article-title":"A key to the genus Acanthognathus Mayr, with the description of a new species","volume":"46","author":"SMITH M. R.","year":"1944","unstructured":"SMITHM. R.1944. A key to the genus Acanthognathus Mayr, with the description of a new species. Proceedings of the Entomological Society of Washington46: 150\u2013152.","journal-title":"Proceedings of the Entomological Society of Washington"}],"container-title":["Revista Colombiana de Entomolog\u00eda"],"language":"es","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.25100\/socolen.v35i2.9226","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.25100\/socolen.v35i2.9226","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.25100\/socolen.v35i2.9226","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T11:45:42Z","timestamp":1776253542000},"score":13.256372,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/full\/doi\/10.25100\/socolen.v35i2.9226"}},"issued":{"date-parts":[[2009,7]]},"references-count":15,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2009,7]]}},"alternative-id":["10.25100\/socolen.v35i2.9226"],"URL":"https:\/\/doi.org\/10.25100\/socolen.v35i2.9226","ISSN":["0120-0488","2665-4385"],"issn-type":[{"value":"0120-0488","type":"print"},{"value":"2665-4385","type":"electronic"}],"published":{"date-parts":[[2009,7]]},"assertion":[{"value":"Yes","name":"crosschecked","label":"CrossChecked"},{"value":"Yes","name":"peer_reviewed","label":"Peer Reviewed"}]},{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T05:39:56Z","timestamp":1793165996413,"version":"4.5.0"},"reference-count":37,"publisher":"Universidade Estadual de Feira de Santana","issue":"3","license":[{"start":{"date-parts":[[2024,9,19]],"date-time":"2024-09-19T00:00:00Z","timestamp":1726704000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sociobiology"],"abstract":"<jats:p>The trap-jaw ant Acanthognathus Mayr (Myrmicinae: Dacetina) has been subject of various studies since 1969, but there has been no progress in its cytogenetics. This study describes provides the first karyotype description of a representative of the genus, A. rudis, including chromosomal number, morphology, and the distribution of repetitive sequences. A colony collected in Southeastern Brazil exhibited a diploid number of 2n = 14 (12 metacentrics + 2 submetacentrics), the lowest number among the Daceton genus-group and the first Neotropical representative of this group to be karyologically studied.\u00a0The rDNA clusters were located in the pericentromeric region of a single chromosome pair, (GA)n blocks were present only in the terminal regions of both chromosome arms in the euchromatic regions, and (TTAGG)n hybridized with the telomeres of all chromosomes, without interstitial telomeric sites. The repetitive sequence patterns align with those observed in other Neotropical Formicidae. Additionally, we documented new behavioral aspects of mandible use in A. rudis workers and provided the first images of its immature stages. These findings emphasize the need for further research on Acanthognathus and the other Daceton genus-group.<\/jats:p>","DOI":"10.13102\/sociobiology.v71i3.10778","type":"journal-article","created":{"date-parts":[[2024,9,25]],"date-time":"2024-09-25T10:11:08Z","timestamp":1727259068000},"page":"e10778","source":"Crossref","is-referenced-by-count":1,"title":["First Karyotype Description for Acanthognathus rudis Brown &amp; Kempf, 1969 (Formicidae: Myrmicinae) with Notes on Its Natural History"],"prefix":"10.13102","volume":"71","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4774-6179","authenticated-orcid":false,"given":"Gabriela de Figueiredo","family":"Jacintho","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3159-2905","authenticated-orcid":false,"given":"Eduarda Melo de Abreu","family":"Vieira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7106-5798","authenticated-orcid":false,"given":"Gisele Amaro","family":"Teixeira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7209-4411","authenticated-orcid":false,"given":"Denilce Meneses","family":"Lopes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0477-4252","authenticated-orcid":false,"given":"Jos\u00e9 Eduardo","family":"Serr\u00e3o","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"5255","published-online":{"date-parts":[[2024,9,19]]},"reference":[{"key":"218841","unstructured":"Baroni Urbani, C. & De Andrade, M.L. (1994). First description of fossil Dacetini ants with a critical analysis of the current classification of the tribe (Amber Collection Stuttgart: Hymenoptera, Formicidae. VI: Dacetini). Stuttgarter Beitr\u00e4ge zur Naturkunde, 198: 1-65."},{"key":"218842","unstructured":"Baroni Urbani, C. & De Andrade, M.L. (2007). The ant tribe Dacetini: limits and constituent genera, with descriptions of new species (Hymenoptera, Formicidae). Annali del Museo civico di storia naturale Giacomo Doria, 99: 1-191."},{"key":"218843","doi-asserted-by":"crossref","unstructured":"Barros, L.A.C., Chaul, J.CM., Orivel, J. & de Aguiar, H.J.A.C. (2021). Cytogenetics of Strumigenys louisianae Roger, 1863 (Formicidae: Myrmicinae) from Northeastern Amazonia shed light on a difficult species complex. Zoologischer Anzeiger, 294: 100-105.","DOI":"10.1016\/j.jcz.2021.07.012"},{"key":"218844","unstructured":"Barros, L.A.C., Chaul, J.C.M., Teixeira, G.A., Lod, R.B., Orivel, J. & de Aguiar, H.J.A.C. (2022). First report of the tramp ant Technomyrmex vitiensis Mann, 1921 (Formicidae: Dolichoderinae) in Brazil with cytogenetic and sperm structure data and an updated key to Brazilian Dolichoderinae genera. Zoological Studies, 60: e29."},{"key":"218845","unstructured":"Bolton, B. (1998). Monophyly of the dacetonine tribe-group and its component tribes (Hymenoptera: Formicidae). Bulletin of the British Museum (Natural History) Entomology. 67:65-78."},{"key":"218846","unstructured":"Bolton, B. (2000). The ant tribe Dacetini. Memoirs of the American Entomological Society, 65: 1-1028."},{"key":"218847","unstructured":"Bolton, B. (2024). An online catalog of the ants of the world. http:\/\/antcat.org. (accessed January 30 2024)."},{"key":"218848","doi-asserted-by":"crossref","unstructured":"Branstetter, M.G., Jesovnik, A., Sosa-Calvo, J., Lloyd, M.W., Faircloth, B.C., Brady, S.G. & Schultz, T.R. (2017). Dry habitats were crucibles of domestication in the evolution of agriculture in ants. Proceedings of the Royal Society B, 284: 1-10.","DOI":"10.1098\/rspb.2017.0095"},{"key":"218849","doi-asserted-by":"crossref","unstructured":"Brown, W.L., Jr. & Kempf, W.W. (1969). A revision of the neotropical dacetine ant genus Acanthognathus (Hymenoptera: Formicidae). Psyche, 76: 87-109.","DOI":"10.1155\/1969\/19387"},{"key":"218850","doi-asserted-by":"crossref","unstructured":"Cristiano, M.P., Cardoso, D.C. & Fernandes-Salom\u00e3o, T.M. (2013). Cytogenetic and molecular analyses reveal a divergence between Acromyrmex striatus (Roger, 1863) and other congeneric species: Taxonomic implications. PLoS One, 8: e59784.","DOI":"10.1371\/journal.pone.0059784"},{"key":"218851","doi-asserted-by":"crossref","unstructured":"Crozier, R.H. (1968). The chromosomes of three Australian dacetine ant species (Hymenoptera: Formicidae). Psyche, 75: 87-90.","DOI":"10.1155\/1968\/41712"},{"key":"218852","doi-asserted-by":"crossref","unstructured":"Damasceno, M.T.S., G.A. Teixeira, P.C. Ferreira, R.B. Lod, L.A.C. Barros & H.J.A.C. de Aguiar. (2024). Physical chromosomal mapping of major ribosomal genes in 15 ant species with a review of hypotheses regarding evolution of the number and position of NORs in ants. Comparative Cytogenetics, 18: 105-122.","DOI":"10.3897\/compcytogen.18.125235"},{"key":"218853","unstructured":"Dietz, B.H. & Brand\u00e3o, C.R.F. (1993). Comportamento de ca\u00e7a e dieta de Acanthognathus rudis Brown & Kempf, com coment\u00e1rios sobre a evolu\u00e7\u00e3o da preda\u00e7\u00e3o em Dacetini (Hymenoptera, Formicidae, Myrmicinae). Revista Brasileira de Entomologia, 37: 683-692."},{"key":"218854","unstructured":"Evenhuis, N.L. (2024). The insect and spider collections of the world website. http:\/\/hbs.bishopmuseum.org\/codens\/ (accessed 26 March 2024)."},{"key":"218855","doi-asserted-by":"crossref","unstructured":"Galvis, J.P. & Fern\u00e1ndez, F. (2009). Ants of Colombia X. Acanthognathus with the description of a new species (Hymenoptera: Formicidae). 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Karyotype evolution in Australian ants. Chromosoma, 59: 341-393.","DOI":"10.1007\/BF00327974"},{"key":"218860","doi-asserted-by":"crossref","unstructured":"Jacintho, G.F., Teixeira, G.A., Lopes, D.M., Lino-Neto, J., & Serr\u00e3o, J.E. (2023). Addendum to the redescription of Eurhopalothrix reichenspergeri (Santschi, 1923) (Hymenoptera: Formicidae): larval morphology, cytogenetic and sperm morphometry data. Zootaxa, 5352: 443-446","DOI":"10.11646\/zootaxa.5352.3.9"},{"key":"218861","doi-asserted-by":"crossref","unstructured":"Janicki, J., Narula, N., Ziegler, M., Gu\u00e9nard, B. & Economo, E.P. (2016). Visualizing and interacting with large-volume biodiversity data using client-server web-mapping applications: The design and implementation of antmaps.org. Ecological Informatics, 32: 185-193.","DOI":"10.1016\/j.ecoinf.2016.02.006"},{"key":"218862","doi-asserted-by":"crossref","unstructured":"Kuznetsova, V., Grozeva, S. & Gokhman, V. (2020). Telomere structure in insects: A review. 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(2012). The role of anchor-tipped larval hairs in the organization of ant colonies. PLoS One, 7: e41595.","DOI":"10.1371\/journal.pone.0041595"},{"key":"218867","unstructured":"Pereira, J.O.P. (2006). Diversidade gen\u00e9tica da abelha sem ferr\u00e3o Melipona quinquefasciata baseada no sequenciamento das regi\u00f5es ITS1 parcial e 18S do DNA riboss\u00f4mico nuclear. D.Sc. Tese, Programa de P\u00f3s-gradua\u00e7\u00e3o em Zootecnia. Universidade Federal do Cear\u00e1, Fortaleza-CE, Brazil. 141 pp."},{"key":"218868","doi-asserted-by":"crossref","unstructured":"Pinkel D., Straume T. & Gray J.W. (1986). Cytogenetic analysis using quantitative, high-sensitivity, fluorescence hybridization. Proceedings of the National Academy of Sciences of the United States of America, 83: 2934-2938.","DOI":"10.1073\/pnas.83.9.2934"},{"key":"218869","doi-asserted-by":"crossref","unstructured":"Schneider, C., Rasband, W. & Eliceiri, K. (2012). ImageJ. 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