{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T00:51:47Z","timestamp":1781743907374,"version":"3.54.5"},"reference-count":31,"publisher":"Walter de Gruyter GmbH","issue":"1","license":[{"start":{"date-parts":[[2025,2,1]],"date-time":"2025-02-01T00:00:00Z","timestamp":1738368000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    A new species of the genus Geraldius isolated from the wood of a dead black pine tree is characterized using morphological data and molecular DNA barcodes.\n                    <jats:italic>Geraldius jejuensis<\/jats:italic>\n                    n. sp. is characterized by its lateral fields with two incisures; lip region conoid to rounded and continuous with body; hemizonid and excretory pore located posterior to nerve ring; excretory pore opening just at the beginning of hemizonid or within the contour of hemizonid; vulva a transverse slit in ventral view; opening in a depression, creating a circular profile in lateral view; rectum 1.4 to 1.7 times longer than anal body diameter; phasmids located 55.0 to 78.5 \u03bcm from anal opening; tail elongated, 146.0 to 177.0 \u03bcm long; gubernaculum 27.0 to 33.5 \u03bcm long, caudal papillae arrangement of seven pairs pre-cloacal, two adcloacal, and six post-cloacal; and three additional midventral papillae on anterior cloacal lip. The new species was compared with the three known species of the genus, including\n                    <jats:italic>G. bakeri, G. galapagoensis<\/jats:italic>\n                    and\n                    <jats:italic>G. inserrai<\/jats:italic>\n                    . The phylogenetic relationships among species were reconstructed using 18S-rRNA and 28S-rRNA gene sequences. Inferences from both genes corroborate the close morphological relationships between\n                    <jats:italic>Geraldius<\/jats:italic>\n                    and\n                    <jats:italic>Diastolaimus<\/jats:italic>\n                    .\n                  <\/jats:p>","DOI":"10.2478\/jofnem-2025-0023","type":"journal-article","created":{"date-parts":[[2025,6,21]],"date-time":"2025-06-21T08:01:19Z","timestamp":1750492879000},"source":"Crossref","is-referenced-by-count":1,"title":["Description and molecular characterization of\n                    <i>Geraldius jejuensis<\/i>\n                    n. sp. (Nematoda: Chambersiellidae) from Korea"],"prefix":"10.2478","volume":"57","author":[{"given":"Abraham Okki","family":"Mwamula","sequence":"first","affiliation":[{"name":"Research Institute of Invertebrate Vector , Kyungpook National University , Sangju , Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang-hwan","family":"Bae","sequence":"additional","affiliation":[{"name":"Biodiversity Research Department, Species Diversity Research Division , National Institute of Biological Resources , Incheon , , Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dae Geun","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Ecological Science , Kyungpook National University , Sangju , , Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi Seul","family":"Kim","sequence":"additional","affiliation":[{"name":"Research Institute of Invertebrate Vector , Kyungpook National University , Sangju , Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yeong-Don","family":"Lee","sequence":"additional","affiliation":[{"name":"Hallasan Research Department, World Heritage Office, Jeju Special Self-Governing Province , Jeju . , Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9751-5390","authenticated-orcid":false,"given":"Dong Woon","family":"Lee","sequence":"additional","affiliation":[{"name":"Research Institute of Invertebrate Vector , Kyungpook National University , Sangju , Republic of Korea"},{"name":"Department of Ecological Science , Kyungpook National University , Sangju , , Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2025,6,21]]},"reference":[{"key":"2026061723591133901_j_jofnem-2025-0023_ref_001","doi-asserted-by":"crossref","unstructured":"Alves, M., Pereira, A., Matos, P., Henriques, J., Vicente, C., Aikawa, T., Hasegawa, K., Nascimento, F., Mota, M., Correia, A. and Henriques, I., 2016. Bacterial community associated to the pine wilt disease insect vectors Monochamus galloprovincialis and Monochamus alternatus. Scientific Reports, 6:23908.","DOI":"10.1038\/srep23908"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_002","unstructured":"Baermann, G. 1917. Eine einfache Methode zur Auffindung von Ankylostomum (nematoden) Larven in Erdproben. Geneeskundig Tijdschrift voor Nederlandsch-Indie 57:131\u2013137."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_003","doi-asserted-by":"crossref","unstructured":"\u010cerm\u00e1k, V., Nje\u017ei\u0107, B., Foit, J., Kulich, P., Ors\u00e1gov\u00e1, H., Ruiz-Cuenca, A. N., Shokoohi, E. and Abolafia, J. 2022. Redescription of Diastolaimus grossus (Truskova & _Eroshenko, 1977) Andr\u00e1ssy, 1984 (Rhabditida, Chambersiellidae) from Europe and comments on its phylogenetic position. Journal of Helminthology 96:1\u201314.","DOI":"10.1017\/S0022149X22000141"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_004","doi-asserted-by":"crossref","unstructured":"Chandler, A. C. 1942. Helminths of tree squirrels in southeast Texas. The Journal of Parasitology 28:135\u2013140.","DOI":"10.2307\/3272725"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_005","unstructured":"Cid del Prado-Vera, I., Ferris, H. and Subbotin S. A. 2023. Nueva especie del g\u00e9nero Diastolaimus y redescripci\u00f3n de D. mexicanus Cid del Prado, 2012 (Rhabditida: Chambersiellidae) de M\u00e9xico. Nematropica 53:30\u201340."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_006","unstructured":"Cid del Prado, V. I. 2012. Dos nuevas especies de nematodos (Cephalobida: Chambersiellidae) en musgo de Norte y Sur America. Nematropica 42:108\u2013114."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_007","unstructured":"Cid Del Prado-Vera, I., Ferris, H. and Subbotin S. A. 2021. A new species of Geraldius inserrai sp. n (Rhabditida: Chambersiellidae) from Mexico. Nematropica 51:67\u201377."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_008","unstructured":"Cobb, N. A. 1920. One hundred new nemas (type species of 100 new genera). Contributions to a Science of Nematology 9:217\u2013343."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_009","unstructured":"De Grisse, A. T. 1969. Redescription ou modifications de quelques techniques utilis\u00e9es dans \u013e\u00e9tude des n\u00e9matodes phytoparasitaires. Mededelingen Rijksfaculteit Landbouwwetenschappen Gent 34:315\u2013359."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_010","doi-asserted-by":"crossref","unstructured":"Holterman, M., van der Wurff, A., van den Elsen, S., van Megen, H., Bongers, T., Holovachov, O., Bakker, J. and Helder, J. 2006. Phylum-wide analysis of SSUrDNA reveals deep phylogenetic relationships among nematodes and accelerated evolution toward crown clades. Molecular Biology and Evolution 23:1792\u2013800.","DOI":"10.1093\/molbev\/msl044"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_011","doi-asserted-by":"crossref","unstructured":"Holovachov, O., Bostr\u00f6m, S., De Ley, I. T., Robinson, C., Mundo-Ocampo, M. and Nadler, S. A. 2013. Morphology, molecular characterisation and systematic position of the genus Cynura Cobb, 1920 (Nematoda: Plectida). Nematology 15:611\u2013627.","DOI":"10.1163\/15685411-00002706"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_012","doi-asserted-by":"crossref","unstructured":"Holovachov, O., Esquivel, A. and Bongers, T. 2003. Free-living nematodes from nature reserves in Costa Rica. 4. Cephalobina. Nematology 5:1\u201315.","DOI":"10.1163\/156854102765216632"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_013","doi-asserted-by":"crossref","unstructured":"Ivanova, E., Luc, P. V. and Spiridonov, S. 2016. Neoalloionema tricaudatum gen. n., sp. n. (Nematoda: Alloionematidae) associated with a cyclophorid snail in Cuc Phuong Natural Park, Vietnam. Nematology 18:109\u2013120.","DOI":"10.1163\/15685411-00002946"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_014","doi-asserted-by":"crossref","unstructured":"Iwahori, H., Kanzaki, N. and Futai, K. 2000. A simple, polymerase chain reaction-restriction fragment length polymorphism-aided diagnosis method for pine wilt disease. Forest Pathology 30:157\u2013164.","DOI":"10.1046\/j.1439-0329.2000.00201.x"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_015","unstructured":"Massey, C. L. 1963. Santafea new genus (Rhabditoidea, Chambersiellidae) and a change in the systematic position of Macrolaimus Maupas, 1900. Proceedings of the Helminthological Society of Washington 30:26\u201328."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_016","unstructured":"Massey, C. L. 1964. The nematode parasites and associates of the fir engraver beetle, Scolytis ventarlis LeConte, in New Mexico. Journal of Insect Pathology 6:133\u2013155."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_017","doi-asserted-by":"crossref","unstructured":"Mwamula, A. O., Lee, S. M., Jung, Y. H., Lee, H. W., Kim, Y. S., Kim, Y. H. and Lee, D. W. 2023. Morphological and Molecular Characterization of Diplogasteroides sp., a Cryptic Population of the Haslacheri Group (Diplogastridae), and Parasitorhabditis terebranus (Rhabditidae) from Korea. Journal of Nematology 55:1\u201317.","DOI":"10.2478\/jofnem-2023-0017"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_018","doi-asserted-by":"crossref","unstructured":"Nascimento, F. X., Hasegawa, K., Mota, M. and Vicente, C. S. 2015. Bacterial role in pine wilt disease development \u2014 review and future perspectives. Environmental Microbiology Reports 7:51\u201363.","DOI":"10.1111\/1758-2229.12202"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_019","unstructured":"Nunn, G. B. 1992. Nematode molecular evolution. Ph.D. Thesis, University of Nottingham, Nottingham, UK."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_020","unstructured":"Rahm, G. M. 1928. Alguns nematodes parasitas e semi-parasitas das plantas culturaes do Brasil. Archivos do Instituto de Biologia e Defensa Agricola e Animal 1:239\u2013251."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_021","doi-asserted-by":"crossref","unstructured":"Ronquist, F., Teslenko, M., Van Der Mark, P., Ayres, D. L., Darling, A., H\u00f6hna, S., Larget, B., Liu, L., Suchard, M. A. and Huelsenbeck, J. P. 2012. MrBayes 3.2: efficient Bayesian phylogenetic inference and model choice across a large model space. Systematic Biology 61:539\u2013542.","DOI":"10.1093\/sysbio\/sys029"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_022","doi-asserted-by":"crossref","unstructured":"Sanwal, K. C. 1957. Chambersiellidae n. fam. (Nematoda) with emended diagnosis of the genus Chambersiella Cobb, 1920, description of C. bakeri n. sp., and discussion of taxonomic position. Canadian Journal of Zoology 35:615\u2013621.","DOI":"10.1139\/z57-054"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_023","doi-asserted-by":"crossref","unstructured":"Sanwal, K. C. 1971. Geraldius n. gen., Macrolaiminae n. subfam., with a revision of the subfamilies and genera of Chambersiellidae (Nematoda). Canadian Journal of Zoology 49:965\u2013967.","DOI":"10.1139\/z71-147"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_024","unstructured":"Schneider, A. 1859. Monographie der Nematoden. Berlin, Germany, Druck und Verlag von Georg Reimer."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_025","doi-asserted-by":"crossref","unstructured":"Seinhorst, J. W. 1959. A rapid method for the transfer of nematodes from fixative to anhydrous glycerin. Nematologica 4:67\u201369.","DOI":"10.1163\/187529259X00381"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_026","unstructured":"Steiner, G. 1929. Neoaplectana glaseri, ng, n. sp. (Oxyuridae), a new nemic parasite of the Japanese beetle (Popillia japonica Newm.). Journal of the Washington Academy of Sciences 19:436\u2013440."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_027","unstructured":"Stiles, C. W. 1902. A new species of hookworm (Uncinaria americanus) parasitic in man. The American Journal of Medicine 3:777\u2013778."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_028","unstructured":"Swofford, D. L. 2003. PAUP*: phylogenetic analysis using parsimony and other methods. Version 4.0a165. Sunderland, MA, USA, Sinauer Associates."},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_029","doi-asserted-by":"crossref","unstructured":"Thompson, J. D., Gibson, T. J., Plewniak, F., Jeanmougin, F. and Higgins, D. G. 1997. The CLUSTAL_X windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nucleic Acids Research 25:4876\u20134882.","DOI":"10.1093\/nar\/25.24.4876"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_030","doi-asserted-by":"crossref","unstructured":"Wouts, W. M.; Mr\u00e1\u010dek, Z.; Gerdin, S. and Bedding, R. A. 1982. Neoaplectana Steiner, 1929 a junior synonym of Steinernema Travassos, 1927 (Nematoda; Rhabditida). Systematic Parasitology 4:147\u2013154.","DOI":"10.1007\/BF00018998"},{"key":"2026061723591133901_j_jofnem-2025-0023_ref_031","unstructured":"Yeates, G. W., Bongers, T., De Goede, R. G. M., Freckman, D. W. and Georgieva, S. S. 1993. Feeding habits in soil nematode families and genera \u2014 an outline for soil ecologists. Journal of Nematology 25:315\u2013331."}],"container-title":["Journal of Nematology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/reference-global.com\/pdf\/10.2478\/jofnem-2025-0023","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T23:59:22Z","timestamp":1781740762000},"score":1,"resource":{"primary":{"URL":"https:\/\/reference-global.com\/article\/10.2478\/jofnem-2025-0023"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,2,1]]},"references-count":31,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2025,6,21]]},"published-print":{"date-parts":[[2025,2,1]]}},"alternative-id":["10.2478\/jofnem-2025-0023"],"URL":"https:\/\/doi.org\/10.2478\/jofnem-2025-0023","relation":{},"ISSN":["2640-396X"],"issn-type":[{"value":"2640-396X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,2,1]]},"article-number":"20250023"}}