Problema, Taxa Only, Exact Match: 86 Treatments

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Problema     Zhang, Jing, Cong, Qian, Shen, Jinhui, Opler, Paul A. & Grishin, Nick V., 2019, Changes to North American butterfly names, The Taxonomic Report of the International Lepidoptera Survey 8 (2), pp. 1-12 : 10 10
Acmopolynema problema     TRIAPITSYN, SERGUEI V. & BEREZOVSKIY, VLADIMIR V., 2007, Review of the Oriental and Australasian species of Acmopolynema, with taxonomic notes on Palaeoneura and Xenopolynema stat. rev. and description of a new genus (Hymenoptera: Mymaridae), Zootaxa 1455 (1), pp. 1-68 : 13-15 13-15
Acmopolynema problema     Rameshkumar, A., Poorani, J. & Anjana, M., 2015, First report of Dicopuslongipes (Subba Rao) (Hymenoptera: Chalcidoidea) from India with new distribution data on some species, Biodiversity Data Journal 3, pp. 4692-4692 : 4692 4692
Acmopolynema problema     Rameshkumar, A., Poorani, J. & Anjana, M., 2015, First report of Dicopuslongipes (Subba Rao) (Hymenoptera: Chalcidoidea) from India with new distribution data on some species, Biodiversity Data Journal 3, pp. 4692-4692 : 4692 4692
Cryptus problema     Araujo, Rodrigo O., Fernandes, Daniell R. R., Pos, Davide Dal, Giovanni, Filippo Di, Moreira-Muñoz, Andrés & Pádua, Diego G., 2025, Unveiling the secrets of South American Darwin wasps, part I: a comprehensive checklist of the Chilean Ichneumonidae (Hymenoptera: Ichneumonoidea), Zootaxa 5631 (1), pp. 1-51 : 13 13
Cercaria problematica     Pinto, Hudson Alves & Melo, Alan Lane De, 2013, A checklist of cercariae (Trematoda: Digenea) in molluscs from Brazil, Zootaxa 3666 (4), pp. 449-475 : 459-464 459-464
Laevitomaria problematica     Gatto, Roberto, Monari, Stefano, Szabó, János & Conti, Maria Alessandra, 2015, The Jurassic pleurotomarioidean gastropod Laevitomaria and its palaeobiogeographical history, Acta Palaeontologica Polonica 60 (1), pp. 217-233 : 219-222 219-222
Lucilia problematica     Whitworth, Terry, 2010, Keys to the genera and species of blow flies (Diptera: Calliphoridae) of the West Indies and description of a new species of Lucilia Robineau-Desvoidy, Zootaxa 2663, pp. 1-35 : 25-26 25-26
Arenopontia problematica     Sak, Serdar, Karaytuğ, Süphan & Huys, Rony, 2024, A revision of the genus Arenopontia Kunz, 1937 (Copepoda, Harpacticoida, Arenopontiidae), including the description of five new species, Zootaxa 5433 (1), pp. 1-50 : 7-9 7-9
Bambara problematica   sp. nov.  Darby, Michael, 2014, Studies of Madagascan Ptiliidae (Coleoptera) 4: The genus Bambara including eight new species and the first account of blindness and aptery in the genus, Zootaxa 3895 (2), pp. 151-169 : 152 152
Elisesione problematica     Jimi, Naoto, Eibye-Jacobsen, Danny & Salazar-Vallejo, Sergio I., 2018, Description of Elisesione imajimai sp. nov. From Japan (Annelida: Hesionidae) and A Redescription of E. problematica (Wesenberg-Lund, 1950) and Its Confirmation Within Hesionini, Zoological Studies 57 (8), pp. 1-9 : 6-8 6-8
Nemoura sahlbergi subsp. problematica     Zwick, Peter, 2010, New Species And New Records Of Plecoptera From Korea And The Russian Far East, Illiesia 6 (9), pp. 75-97 : 82 82
Patellapis (Patellapis) problematica   sp. nov.  Timmermann, Kim & Kuhlmann, Michael, 2009, Variable Selection and Inference for Multi-period Forecasting Problems, Zootaxa 2099, pp. 1-188 : 70-71 70-71
Coleoptera   new species  Darby, Michael, 2018, Studies of Ptiliidae (Coleoptera) in the Spirit Collection of the Natural History Museum, London, 3: New species and records from the expedition to SW Africa in 1971 - 1972, Entomologist's monthly magazine 154, No. 4, pp. 233-260 : 233-260 233-260
Thalassaphorura problematica   sp. n.  Sun, Xin, Deharveng, Louis & Wu, Donghui, 2013, Broadening the definition of the genus Thalassaphorura Bagnall, 1949 (Collembola, Onychiuridae) with a new aberrant species from China, ZooKeys 364, pp. 1-9 : 2-4 2-4
Cyamiomactra problematica     Zelaya Marina Güller, Diego G. & Ituarte, Cristián, 2020, Filling a blank in bivalve taxonomy: an integrative analysis of Cyamioidea (Mollusca: Bivalvia), Zoological Journal of the Linnean Society 190, pp. 558-591 : 582-584 582-584
Bambara problematica     Darby, Michael, 2019, Studies of Ptiliidae (Coleoptera) in the Spirit Collection of the Natural History Museum, London, 6: New species and records collected by W. C. Block in Kenya and Uganda, 1964 - 1965, Entomologist’s Monthly Magazine 155, pp. 239-257 : 245 245
Chuniphyes problematica     OLIVEIRA, OTTO M. P., MIRANDA, THAÍS P., ARAUJO, ENILMA M., AYÓN, PATRICIA, CEDEÑO-POSSO, CRISTINA M., CEPEDA-MERCADO, AMANCAY A., CÓRDOVA, PABLO, CUNHA, AMANDA F., GENZANO, GABRIEL N., HADDAD, MARIA ANGÉLICA, MIANZAN, HERMES W., MIGOTTO, ALVARO E., MIRANDA, LUCÍLIA S., MORANDINI, ANDRÉ C., NAGATA, RENATO M., NASCIMENTO, KARINE B., JÚNIOR, MIODELI NOGUEIRA, PALMA, SERGIO, QUIÑONES, JAVIER, RODRIGUEZ, CAROLINA S., SCARABINO, FABRIZIO, SCHIARITI, AGUSTÍN, STAMPAR, SÉRGIO N., TRONOLONE, VALQUÍRIA B. & MARQUES, ANTONIO C., 2016, Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters, Zootaxa 4194 (1), pp. 1-256 : 180 180
Humerocyrtis problematica   sp. nov.  Dumitrică, Paulian, 2024, New Middle Triassic Bell-Shaped Nassellarian Radiolaria From Alpine And Carpathian Areas, Acta Palaeontologica Romaniae 20 (1), pp. 51-75 : 68 68
Pterygosoma problematica     Fajfer, Monika, 2020, A systematic revision of the scale mite genus Pterygosoma Peters, 1849 (Acariformes: Pterygosomatidae), Zootaxa 4805 (1), pp. 1-147 : 83-85 83-85
Athlia problematica     Smith, Andrew B. T. & Evans, Arthur V., 2018, Taxonomic review of Athliini (Coleoptera: Scarabaeidae: Melolonthinae), a new tribe of scarab beetles endemic to South America, Zootaxa 4471 (2), pp. 279-308 : 292-293 292-293
Troxodania problematica   comb. nov.  Khaustov, Alexander A. & Frolov, Andrey V., 2018, A new species, new genus and new records of heterostigmatic mites (Acari: Heterostigmata) phoretic on scarab beetles of the subfamily Orphninae (Coleoptera: Scarabaeidae), Zootaxa 4514 (2), pp. 181-201 : 188-189 188-189
Paravespa (Gestrodynerus) gestroi subsp. problematica     J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part III: Classification, Additions, Corrections and Index, Linzer biologische Beiträge 42 (2), pp. 919-1004 : 944 944
Hyboella problematica     Hollier, John, 2016, The type specimens of Orthoptera (Insecta) species described by Ignacio Bolívar and deposited in the Muséum d’histoire naturelle de Genève, Revue suisse de Zoologie 123 (1), pp. 21-33 : 27 27
Cercaria problematica   new species  Faust, Ernest Carroll, 1924, Notes on larval flukes from China. II. Studies on some larval flukes from the central and south coast provinces of China., American Journal of Hygiene 4, pp. 241-301 : 294 294
Nansenia problematica   new species  Lloris, D. & Rucabado, J. A., 1985, A new species of Nansenia (N. problematica) (Salmoniformes: Bathylagidae) from the southeast Atlantic, Copeia 1985, No. 1, pp. 141-145 : 142 142
Paralaophonte problematica     Huys, Rony & Lee, Wonchoel, 2009, Proposal of Marbefia, gen. n. and Inermiphonte, gen. n., including updated keys to the species of Pseudonychocamptus Lang, 1944 and Paralaophonte Lang, 1948 (Copepoda, Harpacticoida, Laophontidae), ZooKeys 23 (23), pp. 1-38 : 22-29 22-29
Lucilia problematica     Whitworth, Terry, 2014, A revision of the Neotropical species of Lucilia Robineau-Desvoidy (Diptera: Calliphoridae), Zootaxa 3810 (1), pp. 1-76 : 39 39
Metaprotella problematica     Thacker, Dimple, Patel, Krupal, Myers, Alan, Guerra-García, José M., Zeidler, Wolfgang & Trivedi, Jigneshkumar, 2023, Annotated Checklist of Marine Amphipods (Crustacea: Amphipoda) of India, Zootaxa 5340 (1), pp. 1-90 : 50 50
Belomitra problematica   comb. nov.  Kantor, Yuri I., Puillandre, Nicolas, Rivasseau, Audrey & Bouchet, Philippe, 2012, 3496, Zootaxa 3496, pp. 1-64 : 14 14
Purcelliana problematica     Rodrigues, Bruno V. B. & Rheims, Cristina A., 2020, An overview of the African genera of Prodidominae spiders: descriptions and remarks (Araneae: Gnaphosidae), Zootaxa 4799 (1), pp. 1-80 : 37-38 37-38
Paravespa (Gestrodynerus) gestroi subsp. problematica     J. M, Gusenleitner, J. & Madl, M., 2010, A Catalogue of the Eumeninae (Hymenoptera: Vespidae) of the Ethiopian Region excluding Malagasy Subregion. Part II: Genera Delta de SAUSSURE 1885 to Zethus FABRICIUS 1804 and Species Incertae Sedis, Linzer biologische Beiträge 42 (1), pp. 95-315 : 183 183
Bambara problematica   sp. nov.  Darby, Michael, 2014, Studies of Madagascan Ptiliidae (Coleoptera) 4: The genus Bambara including eight new species and the first account of blindness and aptery in the genus, Zootaxa 3895 (2), pp. 151-169 : 164 164
Bambara problematica     Darby, Michael, 2014, Studies of Madagascan Ptiliidae (Coleoptera) 4: The genus Bambara including eight new species and the first account of blindness and aptery in the genus, Zootaxa 3895 (2), pp. 151-169 : 157 157
Coleoptera   new species  Johnson, Colin, 1969, The genus Acrotrichis Motschulsky (Coleoptera: Ptiliidae) in the Ethiopian Region (Studies on Ethiopian Ptiliidae, No 2)., Revue de Zoologie et de Botanique Africaines 79, No. 3, pp. 213-260 : 243 243
Osmeriformes   new species  Parr, A. E., 1960, The fishes of the family Searsidae, Dana Reports 51, pp. 1-109 : 79 79
Chromadorella problematica     Venekey, Virag, Gheller, Paula F., Kandratavicius, Noelia, Cunha, Beatriz Pereira, Vilas-Boas, Ana Carolina, Fonseca, Gustavo & Maria, Tatiana F., 2019, The state of the art of Chromadoridae (Nematoda, Chromadorida): a historical review, diagnoses and comments about valid and dubious genera and a list of valid species, Zootaxa 4578 (1), pp. 1-67 : 11-12 11-12
Stylommatophora   new species  Cooke, C. Montague, 1933, New species of Amastridae, Occasional Papers of the Bernice P. Bishop Museum 10, No. 6, pp. 1-27 : 9 9
Tomoxelia problematica   sp. nov.  Pace, R., 2012, New data and new species of Aleocharinae from Tropical Africa in the Natural History Museum of the Humboldt University, Berlin (Coleoptera, Staphylinidae), Linzer biologische Beiträge 44 (2), pp. 1331-1362 : 1334-1335 1334-1335
Gongylonema problematicum     Panti-May, Jesús Alonso, Digiani, María Celina, Palomo-Arjona, Eduardo Emir, Gurubel-González, Yessica Margely, Navone, Graciela T., Machain-Williams, Carlos, Hernández-Betancourt, Silvia F. & Robles, María Del Rosario, 2018, A checklist of the helminth parasites of sympatric rodents from two Mayan villages in Yucatán, México, Zootaxa 4403 (3), pp. 495-512 : 506 506
Lasioglossum (Evylaeus) problematicum     A. W, 2006, Daten zur Aculeaten-Fauna der Ussuri-Region unter Berücksichtigung der angrenzenden Gebiete - 2 Arten der Gattungen Halictus, Lasioglossum, Dufourea, Macropis aus dem Lazovski Zapovednik - Naturreservat Laso (Insecta: Hymenoptera: Apoidea: Halictidae, Melittidae), Linzer biologische Beiträge 38 (1), pp. 541-593 : 563 563
Selfcoelum problematicum   comb. nov.  Dronen, Norman O. & Blend, Charles K., 2015, Updated keys to the genera in the subfamilies of Cyclocoelidae Stossich, 1902, including a reconsideration of species assignments, species keys and the proposal of a new genus in Szidatitreminae Dronen, 2007, Zootaxa 4053 (1), pp. 1-100 : 30 30
Laterocreadium problematicum   new species  Macy, Ralph W. & Berntzen, Allen K., 1970, On the life cycle and in vitro culture of Laterocreadium problematicum, gen. et sp. n. (Trematoda: Allocreadiidae) from Oregon., Journal of Parasitology 56, No. 4, pp. 445-445 : 445 445
Lasioglossum problematicum     A. W, 2006, Daten zur Aculeaten-Fauna der Ussuri-Region unter Berücksichtigung der angrenzenden Gebiete - 2 Arten der Gattungen Halictus, Lasioglossum, Dufourea, Macropis aus dem Lazovski Zapovednik - Naturreservat Laso (Insecta: Hymenoptera: Apoidea: Halictidae, Melittidae), Linzer biologische Beiträge 38 (1), pp. 541-593 : 563 563
Plagiorchiida   new species  Stossich, M., 1903, Il Monostomum mutabile Zeder e le sue forme affini, Bolletino della Società Adriatica di Scienze Naturali in Trieste 21, pp. 1-40 : 14 14
Lasioglossum problematicum     A. W, 2006, Daten zur Aculeaten-Fauna der Ussuri-Region unter Berücksichtigung der angrenzenden Gebiete - 2 Arten der Gattungen Halictus, Lasioglossum, Dufourea, Macropis aus dem Lazovski Zapovednik - Naturreservat Laso (Insecta: Hymenoptera: Apoidea: Halictidae, Melittidae), Linzer biologische Beiträge 38 (1), pp. 541-593 : 563 563
Lasioglossum (Dialictus) problematicum     Murao, Ryuki, Tadauchi, Osamu & Lee, Heung-Sik, 2015, Synopsis of Lasioglossum (Dialictus) Robertson, 1902 (Hymenoptera, Apoidea, Halictidae) in Japan, the Korean Peninsula and Taiwan, European Journal of Taxonomy 137, pp. 1-50 : 27-32 27-32
Plagiorchiida   new species  Issaitschikow, I. M., 1928, Contributions to the knowledge of parasitic helminths of some groups of vertebrates in the Russian Arctic, Trudy Morskoi Nauchnyi Institut, Moskva 3, pp. 5-79 : 66 66
Lagenoderus problematicus     Legalov, Andrei A., 2007, Studies upon the genus Lagenoderus White (Coleoptera, Curculionidae) from Madagascar, Baltic Journal of Coleopterology 7 (2), pp. 191-198 : 196 196
Pachydellus problematicus     MAŠÁN, PETER & HALLIDAY, BRUCE, 2014, Review of the mite family Pachylaelapidae (Acari: Mesostigmata), Zootaxa 3776 (1), pp. 1-66 : 24 24
Scorpiones   new species  Kovařík, František, 2003, A review of the genus Isometrus Ehrenberg, 1828 (Scorpiones: Buthidae) with descriptions of four new species from Asia and Australia., Euscorpius 10, pp. 1-19 : 12 12
Dipoides problematicus     García-Alix, Antonio, Minwer-Barakat, Raef, Martín-Suárez, Elvira & Freudenthal, Matthijs, 2007, The southernmost record of fossil Castoridae (Mammalia, Rodentia) in Europe, Geodiversitas 29 (3), pp. 435-440 : 436-439 436-439
Bulbobaculites problematicus     Besen, Richard M., Struck, Ulrich & Seibertz, Ekbert, 2021, Albian to Turonian agglutinated foraminiferal assemblages of the Lower Saxony Cretaceous sub-basins - implications for sequence stratigraphy and paleoenvironmental interpretation, Fossil Record 24 (2), pp. 395-441 : 410-412 410-412
Pleurotus problematicus     Herman, Lee H., 2001, Catalog of the Staphylinidae (Insecta: Coleoptera). 1758 to the End of the Second Millennium IV. Staphylinine Group (Part 1) Euaesthetinae, Leptotyphlinae, Megalopsidiinae, Oxyporinae, Pseudopsinae, Solieriinae, Steninae, Bulletin of the American Museum of Natural History 2440 (265), pp. 1807-2440 : 1807-2440 1807-2440
Dichotomius (Luederwaldtinia) problematicus     Chamorro, William, Marin-Armijos, Diego, senjo, Angelico & Vaz-De-Mello, Fernando Z., 2019, Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records, ZooKeys 826, pp. 1-343 : 126-127 126-127
Quedius problematicus     Assing, V., 2014, On the Staphylinidae of Israel II, with a revision of some species of Dinusa SAULCY (Insecta: Coleoptera), Linzer biologische Beiträge 46 (2), pp. 1179-1210 : 1188 1188
Tomocerus problematicus     Thibaud, Jean-Marc, 2017, Catalogue des collemboles de France, Zoosystema 39 (3), pp. 297-436 : 376 376
Dichotomius (Luederwaldtinia) problematicus     Hielkema, Auke J. & Hielkema, Meindert A., 2019, An annotated checklist of the Scarabaeoidea (Insecta: Coleoptera) of the Guianas, Insecta Mundi 732 (732), pp. 1-306 : 55 55
Laccobius (Microlaccobius) problematicus     Gupta, Devanshu, Sonali, Shipra, Ghosh, Sujit Kumar, Das, Priyanka, Jaiswal, Deepa & Chandra, Kailash, 2024, A Catalogue of Indian Hydrophiloidea (Insecta: Coleoptera), Zootaxa 5546 (1), pp. 1-92 : 24 24
Trachys problematicus     Aistleitner, Eyjolf & Mühle, Hans, 2021, Streufunde von Prachtkäfern aus der Westpalaearktis sowie diverser Provenienz. Fragmenta entomofaunistica XXVIII (Insecta, Coleoptera, Buprestidae), Linzer biologische Beiträge 53 (2), pp. 521-533 : 532 532
Joculator problematicus   sp. nov.  Albano, Paolo G., Steger, Jan, Bakker, Piet A. J., Bogi, Cesare, Bosnjak, Marija, Guy-Haim, Tamar, Huseyinoglu, Mehmet Fatih, LaFollette, Patrick I., Lubinevsky, Hadas, Mulas, Martina, Stockinger, Martina, Azzarone, Michele & Sabelli, Bruno, 2021, Numerous new records of tropical non-indigenous species in the Eastern Mediterranean highlight the challenges of their recognition and identification, ZooKeys 1010, pp. 1-95 : 1 1
Myctophiformes   new species  Parr, A. E., 1928, Deepsea fishes of the order Iniomi from the waters around the Bahama and Bermuda islands. With annotated keys to the Sudididae, Myctophidae, Scopelarchidae, Evermannellidae, Omosudidae, Cetomimidae and Rondeletidae of the world, Bulletin of the Bingham Oceanographic Collection Yale University 3, No. 3, pp. 1-193 : 143 143
Orthotylus (Orthotylus) problematicus     Ghahari, Hassan & Chérot, Frédéric, 2014, An annotated catalog of the Iranian Miridae (Hemiptera: Heteroptera: Cimicomorpha), Zootaxa 3845 (1), pp. 1-101 : 43 43
Torymus problematicus     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Exetastes problematicus     Riedel, Matthias, 2023, The genus Exetastes GRAVENHORST in the West Palaearctic region, with description of a new species (Hymenoptera, Ichneumonidae, Banchinae), Linzer biologische Beiträge 55 (2), pp. 641-692 : 666 666
Stomiiformes   new species  Clarke, Thomas A., 2001, Pelagic fishes of the genus Eustomias, subgenus Dinematochirus (Stomiidae), in the Indo-Pacific with the descriptions of twelve new species, Copeia 2001, No. 3, pp. 683-699 : 695 695
Exetastes problematicus   sp. nov.  Riedel, Matthias, 2015, Die paläarktischen Arten der Gattung Exetastes GRAVENHORST, 1829 (Hymenoptera, Ichneumonidae, Banchinae) des Biologiezentrums Linz, Austria, Linzer biologische Beiträge 47 (2), pp. 1467-1500 : 1488-1489 1488-1489
Bulbobaculites problematicus     Besen, Richard M., Struck, Ulrich & Seibertz, Ekbert, 2021, Albian to Turonian agglutinated foraminiferal assemblages of the Lower Saxony Cretaceous sub-basins - implications for sequence stratigraphy and paleoenvironmental interpretation, Fossil Record 24 (2), pp. 395-441 : 413-414 413-414
Berosus (Berosus) problematicus     Salah, Mohamed & Régil Cueto, Juan Antonio, 2017, An Annotated Checklist of the Aquatic Polyphaga (Coleoptera) of Egypt II. Family Hydrophilidae, The Coleopterists Bulletin 71 (2), pp. 259-278 : 261 261
Sphecodes problematicus     Bogusch, Petr & Straka, Jakub, 2012, Review and identification of the cuckoo bees of central Europe (Hymenoptera: Halictidae: Sphecodes), Zootaxa 3311, pp. 1-41 : 12 12
Torymus problematicus     Dale-Skey, Natalie, Askew, Richard R., Noyes, John S., Livermore, Laurence & Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Chalcidoidea and Mymarommatoidea, Biodiversity Data Journal 4, pp. 8013-8013 : 8013 8013
Scorpiops (Euscorpiops) problematicus     Lourenço, Wilson R. & Ythier, Eric, 2022, A new species of the genus Scorpiops Peters, 1861, subgenus Euscorpiops Vachon, 1980 from Laos (Scorpiones: Scorpiopidae), Faunitaxys 10 (27), pp. 1-9 : 3 3
Coelichneumon problematicus     Riedel, M., 2012, Revision der westpaläarktischen Arten der Gattung Coelichneumon T HOMSON (Hymenoptera: Ichneumonidae: Ichneumoninae), Linzer biologische Beiträge 44 (2), pp. 1477-1611 : 1559-1560 1559-1560
Paraclius problematicus   comb. nov.  Soares, Matheus M. M., Capellari, Renato S. & Ale-Rocha, Rosaly, 2023, New or little-known Neotropical Dolichopodidae (Diptera) (II): genus Hercostomus Loew excluded from the Neotropics, Zootaxa 5254 (2), pp. 181-208 : 185-190 185-190
Arcanumophis problematicus   comb. nov.  Smaga, Christopher R., Ttito, Alex & Catenazzi, Alessandro, 2019, Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru, Zootaxa 4671 (1), pp. 129-138 : 132-133 132-133
Isometrus (Reddyanus) problematicus   sp. nov.  Kovařík, František, 2003, A review of the genus Isometrus Ehrenberg, 1828 (Scorpiones: Buthidae) with descriptions of four new species from Asia and Australia, Euscorpius 10 (10), pp. 1-19 : 11-12 11-12
Quedius (Raphirus) problematicus     Assing, Volker, 2018, On the taxonomy and zoogeography of some West Palaearctic Quedius species, with a focus on the East Mediterranean and the species allied to Quedius umbrinus and Q. nivicola (Coleoptera: Staphylinidae: Staphylininae), Linzer biologische Beiträge 50 (1), pp. 149-182 : 174-175 174-175
Dicranocentrus problematicus     Nguyen, Anh T. T., Thuy, Kim N. & Arbea, Javier I., 2022, Catalogue of Vietnamese springtails (Hexapoda, Collembola), Zootaxa 5147 (1), pp. 1-177 : 110 110
Motonerus problematicus     Short, Andrew E. Z. & Fikáček, Martin, 2011, World catalogue of the Hydrophiloidea (Coleoptera): additions and corrections II (2006 - 2010), Acta Entomologica Musei Nationalis Pragae (suppl.) 51 (1), pp. 83-122 : 111 111
Problematode   gen. nov.  Gaiani, Marco A., 2017, Problematode: an enigmatic new genus of Membracidae (Hemiptera) with two new species from Venezuela, Zootaxa 4281 (1) : -1 -1
Problematode robertoi     Flórez-V, Camilo, 2019, Two amazing new species of treehoppers (Hemiptera: Membracidae) from Colombia: Calloconophora estellae sp. nov. and Problematode robertoi sp. nov., Zootaxa 4590 (5), pp. 561-576 : 570-575 570-575
Problematode inerme   sp. nov.  Gaiani, Marco A., 2017, Problematode: an enigmatic new genus of Membracidae (Hemiptera) with two new species from Venezuela, Zootaxa 4281 (1) : -1 -1
Problematode sakakibarai   sp. nov.  Gaiani, Marco A., 2017, Problematode: an enigmatic new genus of Membracidae (Hemiptera) with two new species from Venezuela, Zootaxa 4281 (1) : -1 -1
Problematode key    Flórez-V, Camilo, 2019, Two amazing new species of treehoppers (Hemiptera: Membracidae) from Colombia: Calloconophora estellae sp. nov. and Problematode robertoi sp. nov., Zootaxa 4590 (5), pp. 561-576 : 575 575
Gelis problemator     Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Ichneumonidae, Biodiversity Data Journal 4, pp. 9042-9042 : 9042 9042
Gelis problemator     Broad, Gavin R., 2016, Checklist of British and Irish Hymenoptera - Ichneumonidae, Biodiversity Data Journal 4, pp. 9042-9042 : 9042 9042

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