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Dr Yasen Mutafchiev

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Department of Animal Diversity and Resources
Institute of Biodiversity and Ecosystem Research,
Bulgarian Academy of Sciences
2 Yurii Gagarin Street,
Sofia 1113, Bulgaria

Date and place of birth: 13 January 1979, Lovech, Bulgaria


  • 2009: PhD in Parasitology, Central Laboratory of General Ecology, Bulgarian Academy of Sciences; Thesis: Species diversity of the nematodes of the superfamily Acuarioidea (Spirurida) in Bulgaria. (supervisor Dr B.B. Georgiev, homepage)
  • 2005: MSc in Zoology of Invertebrate Animals, Department of Zoology and Anthropology, Faculty of Biology, Sofia University "St. Kliment Ohridski"; Thesis: Investigation of the entomopathogenic nematodes (Rhabditida: Steinernematidae, Heterorhabditidae) in the vicinity of the village of Zheleznitsa
  • 2003: BSc in Biology, Faculty of Biology, Sofia University "St. Kliment Ohridski"


2015: Associate Professor, Department of Animal Diversity and Resources, Institute of Biodiversity and Ecosystem Research, BAS

2010: Research Fellow, Department of Animal Diversity and Resources, Institute of Biodiversity and Ecosystem Research, BAS

2009: Biologist, Department of Biodiversity, Central Laboratory of General Ecology, BAS

2005: Biologist, Department of Biodiversity, Central Laboratory of General Ecology, BAS

Postdoctoral Fellowships:

  • Département des invertébrés, Muséum d'Histoire Naturelle, Ville de Genève (1.10.2013-30.9.2014). Postdoctoral research visit granted by SCIEX programme. Project: Diversity and phylogenetic relationships within the parasitic nematode family Acuariidae. (Dr J. Mariaux)
  • Muséum National d'Histoire Naturelle, Paris (10.05-8.07.2010). (Dr O. Bain)

Research Visits:

  • Bari University, Italy (1.10-21.12.2015). (Prof. D. Otranto)
  • Natural History Museum, London (19.04–16.05.2015), granted by Synthesys, EC; Morphological and molecular study of the zooparasitic nematodes of the family Acuariidae (Nematoda, Spirurida). (Mrs Eileen Harris)
  • Muséum National d'Histoire Naturelle, Paris (1.03-31.05.2013). (Dr C. Martin)
  • Bari University, Italy (19.01-2.02.2013). (Prof. D. Otranto)
  • Museum für Naturkunde, Berlin (28.05-18.06.2012), granted by Synthesys 2, EC; Project: DE-TAF-1825: Examination of type and voucher materials of the families Habronematidae and Tetrameridae (Nematoda, Spirurida, Habronematoidea) deposited in the Museum für Naturkunde Berlin. (Dr B. Neuhaus)
  • Muséum National d'Histoire Naturelle, Paris (1.10-31.10.2011). (Dr O. Bain)
  • Muséum National d'Histoire Naturelle, Paris (1.07-31.07.2011). (Dr O. Bain)
  • Muséum National d'Histoire Naturelle, Paris (9.06-30.06.2011), granted by Synthesys 2, EC; Project: Morphological examination of acuariid nematodes (Nematoda, Spirurida) deposited in the Muséum National d'Histoire Naturelle, Paris. (Dr O. Bain)
  • Naturhistorisches Museum Wien (11.04-2.05.2010), granted by Synthesys 2, EC; Project: Morphology examination of specimens of the family Acuariidae (Nematoda: Spirurida) deposited in the Natural History Museum of Vienna. (Dr H. Sattmann)
  • Département des invertébrés, Muséum d'Histoire Naturelle, Ville de Genève (2.11-14.11.2009). (Dr J. Mariaux)
  • Museum für Naturkunde der Humboldt Univesität zu Berlin (18.11-14.12.2007), granted by Synthesys, EC; Project: Examination of the type specimens of the Acuarioidea (Nematoda) deposited in the Museum für Naturkunde, Berlin and morphological study on other acuarioideans. (Dr B. Neuhaus)


  • Bain O., Mutafchiev Y., Junker K., Guerrero R., Martin C., Lefoulon E., Uni S. (2015) Review of the genus Mansonella Faust, 1929 sensu lato (Nematoda: Onchocercidae), with descriptions of a new subgenus and a new subspecies. Zootaxa, 3918 (2): 151–193. DOI: 10.11646/zootaxa.3918.2.1 Open access
  • Lefoulon E., Bain O., Bourret J., Junker K., Guerrero R., Cañizales I., Kuzmin Y., Satoto T.B.T, Cardenas J.M., de Souza Lima S., Raccurt C., Mutafchiev Y., Gavotte L., Martin C. (2015). Shaking the tree: Multi-locus sequence typing usurps current onchocercid (filarial nematode) phylogeny. PLOS Neglected Tropical Diseases, DOI: 10.1371/journal.pntd.0004233 Open access
  • Junker K., Mariaux J., Measey G.J., Mutafchiev Y. (2015) Meteterakis saotomensis n. sp. (Nematoda: Heterakidae) from Schistometopum thomense (Bocage) (Gymnophiona: Dermophiidae) on São Tomé Island. Systematic Parasitology, 92: 131-139. DOI: 10.1007/s11230-015-9588-6
  • Latrofa M.S., Lia R.P., Giannelli A., Colella V., Santoro M., D’Alessio N., Gentilini F., Campbell B.E., Parisi A., Dantas-Torres F., Mutafchiev Y., Veneziano V., Otranto D. (2015) Crenosoma vulpis in wild and domestic carnivores from Italy: a morphological and molecular study. Parasitology Research, 114: 3611-3617. DOI: 10.1007/s00436-015-4583-z
  • Redón S., Berthelemy N.J., Mutafchiev Y., Amat F., Georgiev B.B., Vasileva G.P. (2015) Helminth parasites of Artemia franciscana (Crustacea, Branchiopoda) in the Great Salt Lake, Utah: first data from the native range of this invader in European wetlands. Folia Parasitologica, 62:030. DOI: 10.14411/fp.2015.030 Open access
  • Mutafchiev Y., Mariaux J., Georgiev B.B. (2015) Stammerinema hyalinum n. comb. for Filaria hyalina von Linstow, 1890 and its recognition as a senior synonym of Stammerinema rhopalocephalum (Sołtys, 1952) (Spirurida: Acuariidae), a parasite of shrews. Systematic Parasitology, 90 (1): 105-111. DOI: 10.1007/s11230-014-9540-1
  • Lefoulon E., Kuzmin Y., Plantard O., Mutafchiev Y., Otranto D., Martin C., Bain О. (2014) Redescription of Cercopithifilaria rugosicauda (Böhm & Supperer, 1953) (Spirurida: Onchocercidae) of roe deer, with an emended diagnosis of the genus Cercopithifilaria and a genetic characterisation. Parasitology International, 63 (6): 808–816. DOI: 10.1016/j.parint.2014.07.011
  • Mutafchiev Y., Mariaux J., Georgiev B.B. (2014) Description of Proyseria petterae n. sp., with an amended generic diagnosis and a review of the species of Proyseria Petter, 1959 and Stegophorus Wehr, 1934 (Nematoda: Acuariidae). Systematic Parasitology, 89 (1): 3–14. DOI: 10.1007/s11230-014-9507-2
  • Georgiev B.B., Angelov A., Vasileva G.P., Sánchez M.I., Hortas F., Mutafchiev Y., Pankov P., Green A.J. (2014) Larval helminths in the invasive American brine shrimp Artemia franciscana throughout its annual cycle. Acta Parasitologica, 59 (3): 380–389. DOI: 10.2478/s11686-014-0255-x
  • Mutafchiev Y., Mariaux J., Georgiev B.B. (2014) Two new species of Quasithelazia Maplestone, 1932 (Nematoda: Acuariidae) from Malaysia, with an amended diagnosis and review of the genus. Systematic Parasitology, 88 (2): 103–117. DOI:10.1007/s11230-014-9483-6
  • Mutafchiev Y., Bain O., Williams Z., McCall J.W., Michalski M.L. (2014) Intraperitoneal development of filarial nematode Brugia malayi in the Mongolian jird (Meriones unguiculatus). Parasitology Research, 113 (5): 1827–1835. DOI:10.1007/s00436-014-3829-5 Open access
  • Bain O., Mutafchiev Y., Junker K. (2014) Order Spirurida. In: Schmidt-Rhaesa, A. (Ed.) Handbook of Zoology: Gastrotricha, Cycloneuralia and Gnathifera. Volume 2. Nematoda. De Gruyter: Berlin-Boston, pp. 661–732. DOI:10.1515/9783110274257.661
  • Giannelli A., Ramos R.A.N., Annoscia G., Di Cesare A., Colella V., Brianti E., Dantas-Torres F., Mutafchiev Y., Otranto D. (2013) Development of the feline lungworms Aelurostrongylus abstrusus and Troglostrongylus brevior in Helix aspersa snails. Parasitology. DOI:10.1017/S003118201300187X
  • Mutafchiev Y., Dantas-Torres F., Giannelli A., Abramo F., Papadopoulos E., Cardoso L., Cortes H., Otranto D. (2013) Redescription of Onchocerca lupi (Spirurida: Onchocercidae), with histopathological observations. Parasites & Vectors, 6:309. DOI:10.1186/1756-3305-6-309 Open access
  • Ramos R.A.N., Giannelli G., Dantas-Torres F., Mallia E., Passantino G., Lia R.P., Latrofa M.S., Mutafchiev Y., Otranto D. (2013) Cercopithifilaria rugosicauda (Spirurida, Onchocercidae) in a roe deer and ticks from southern Italy. International Journal for Parasitology: Parasites and Wildlife, 2: 292–296. DOI:10.1016/j.ijppaw.2013.09.009 Open access
  • Junker, K., Lane, E.P., McRee, A.E., Foggin, C., van Dyk, D.S. & Mutafchiev, Y. (2013) Two new species of Cylicospirura Vevers, 1922 (Nematoda: Spirocercidae) from carnivores in southern Africa, with validation of the related genera Gastronodus Singh, 1934 and Skrjabinocercina Matschulsky, 1952. Folia Parasitologica.Open access
  • Mutafchiev, Y., Kontrimavichus, V.L. & Georgiev, B.B. (2013) Redescriptions and comments on the validity of Acuaria subula and A. skrjabini (Nematoda, Spirurida, Acuariidae), parasites of passerine birds. Acta Parasitologica, 53 (3): 284-296 DOI:10.2478/s11686-013-0141-y
  • Otranto, D., Varcasia, A., Solinas, C., Scala, A., Brianti, E., Dantas-Torres, F., Annoscia, G., Martin, C., Mutafchiev, Y. & Bain, O. (2013) Redescription of Cercopithifilaria bainae Almeida et Vicente, 1984 (Spirurida, Onchocercidae) from a dog in Sardinia, Italy. Parasites & Vectors, 16:132. Open access
  • Otranto, D., Brianti, E., Dantas-Torres, F., Mirό, G., Latrofa, M.S., Mutafchiev, Y. & Bain, O. (2013) Species diversity of dermal microfilariae of the genus Cercopithifilaria infesting dogs in the Mediterranean region. Parasitology, 140 (1): 99-108. DOI:10.1017/S0031182012001357
  • Gradinarov, D., Petrova, E., Mutafchiev, Y. & Karadjova, O. (2012) Distribution of entomopathogenic nematodes of the genus Heterorhabditis (Rhabditida: Heterorhabditidae) in Bulgaria. Nematologia Mediterranea, 40 (2): 173-180. Open access
  • Fall, E.H., Diagne, M., Martin, C., Mutafchiev, Y., Granjon, L., Ba, K., Junker, K. & Bain, O. (2012) Trichosomoides nasalis (Nematoda: Trichinelloidea) in the murid host Arvicanthis niloticus: migration to the epithelium of the nasal mucosa after intramuscular development. Parasite, 19 (4): 359-365. Open access
  • Mutafchiev, Y. & Kinsella, J.M. (2012) Redescription of Chabaudacuaria multispinosa (Pérez Vigueras, 1938) n. g., n. comb. (Nematoda: Spirurida: Acuariidae) based on specimens from Ardea herodias L. and Nyctanassa violacea (L.) (Ardeidae) in Florida. Systematic Parasitology, 83 (2): 85-93. DOI 10.1007/s11230-012-9372-9
  • Otranto, D., Dantas-Torres, F., Cebeci, Z., Yeniad, B., Buyukbabani, N., Buyukbaba Boral, O., Gustinelli, A., Mounir, T., Mutafchiev, Y., Bain, O. (2012) Human ocular onchocerciasis: further evidence on the zoonotic role of Onchocerca lupi. Parasites & Vectors, 5:84. DOI 10.1186/1756-3305-5-84
  • Mutafchiev, Y., Mariaux, J. & Georgiev, B.B. (2012) Acuaria paraguayensis n. sp. from Sirystes sibilator (Aves: Tyrannidae) in Paraguay and а redescription of A. mamillaris (Molin, 1860) from Cyanocorax cayanus (Corvidae) in Brazil, with a key to the species of Acuaria Bremser, 1811 (Nematoda: Acuariidae) in the New World. Systematic Parasitology, 81, 51-64. DOI 10.1007/s11230-011-9322-y
  • Mutafchiev, Y. & Georgiev, B.B. (2011) Redescription, generic allocation and synonymy of Decorataria magnilabiata (Molin, 1860) n. comb. (Nematoda: Spirurida: Acuariidae), a parasite of the roseate spoonbill Platalea ajaja L. (Aves: Threskiornithidae) in South America. Systematic Parasitology, 80 (1): 17-22. DOI 10.1007/s11230-011-9302-2
  • Mutafchiev, Y. & Georgiev, B.B. (2010) The erection of Pelecanema n. g. (Nematoda: Spirurida: Acuariidae), with redescriptions of Pelecanema sirry (Khalil, 1931) n. comb. and P. pelecani (Johnston & Mawson, 1942) n. comb. Systematic Parasitology, 77 (1): 45-54. DOI 10.1007/s11230-010-9259-6
  • Mutafchiev, Y., Santoro, M. & Georgiev, B.B. (2010) Parachordatortilis n. g. (Nematoda: Spirurida: Acuariidae), with a redescription of P. mathevossianae (Petrov & Chertkova, 1950) n. comb., a parasite of Falco tinnunculus L. (Aves: Falconiformes). Systematic Parasitology, 76 (3): 191-197. DOI 10.1007/s11230-010-9243-1
  • Mutafchiev, Y., Halajian, A. & Georgiev, B.B. (2010) Two new nematode species of the genus Cosmocephalus Molin, 1858 (Spirurida: Acuariidae), with an amended generic diagnosis and an identification key to Cosmocephalus spp. Zootaxa, 2349: 1–20.Open access
  • Mutafchiev, Y., Zehtindjiev, P. & Georgiev, B.B. (2009) First record of the nematode Aviculariella alcedonis (Yamaguti & Mitunaga, 1943) (Spirurida, Acuariidae) in Europe, with SEM observations and comments on its taxonomic position. Acta Parasitologica, 54 (4): 374–379. DOI: 10.2478/s11686-009-0057-8
  • Mutafchiev, Y. & Georgiev, B.B. (2009) Redescription of Desportesius brevicaudatus (Spirurida, Acuariidae) based on nematodes from Ixobrychus minutus (Aves, Ciconiiformes) from Bulgaria. Helminthologia, 46 (2): 90-96. DOI: 10.2478/s11687-009-0018-7
  • Mutafchiev, Y. & Georgiev, B.B. (2008) Redescription of Decorataria decorata (Spirurida, Acuariidae) based on nematodes from Podiceps cristatus and P. grisegena (Aves, Podicipediformes) from Bulgaria. Acta Parasitologica, 53 (2): 158-164. DOI: 10.2478/s11686-008-0016-9
  • Mutafchiev, Y. & Georgiev, B.B. (2008) A new acuariid nematode, Syncuaria mackoi n. sp. (Spirurida), from Ciconia nigra (L.) (Ciconiiformes: Ciconiidae) in Europe. Systematic Parasitology, 70 (1): 71-79. DOI: 10.1007/s11230-008-9138-6
  • Mutafchiev, Y. & Gradinarov, D. (2003) Entomopathogenic nematodes of the families Steinernematidae and Heterorhabditidae (Rhabditida) in the vicinity of the Zheleznitsa village, Vitosha Mts., Bulgaria. Acta Zoologica Bulgarica 55 (2): 67-74.

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Last modified 10.02.2016 10:55

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