Folia Parasitologica - Most viewed articles

First description of adults of the type species of the genus Glossocercus Chandler, 1935 (Cestoda: Gryporhynchidae)

Mirza P. Ortega-Olivares, Rogelio Rosas-Valdez, Martín García-Varela

Folia Parasitologica 60[1] 35-42 (2013) | DOI: 10.14411/fp.2013.005  

The type species of the genus Glossocercus Chandler, 1935, G. cyprinodontis Chandler, 1935, was described as metacestode (larval stage) from the mesentery of the sheepshead minnow fish (Cyprinodon variegatus Lacépède) from Galveston Bay, Texas. The description was based on the morphology of the rostellar hooks; however, the features of the internal morphology of the proglottides could no be provided. In the present study we describe for the first time the features of the adult G. cyprinodontis from the intestine of Pelecanus occidentalis Linnaeus, Nycticorax nycticorax Linnaeus and Egretta rufescens...

Chondracanthid copepod parasites of dories (Zeiformes: Zeidae) with the description of a new species of Chondracanthus from waters off northern Argentina

Paola E. Braicovich, Ana L. Lanfranchi, Inés S. Incorvaia, Juan T. Timi

Folia Parasitologica 60[4] 359-364 (2013) | DOI: 10.14411/fp.2013.037  

Abstract: A new species of parasitic copepod, Chondracanthus hoi sp. n. (Copepoda: Chondracanthidae), is described based on specimens of both sexes collected from the buccal cavity and gill arches of the silvery john dory, Zenopsis conchifer (Lowe) (Zeiformes: Zeidae), from waters off northern Argentina (35-36°S, 53-54°W). Female of C. hoi differs from its congeners by the following combination of characters: presence of five pairs of trunk processes, antennule with four knobs tipped with small setae and absence of denticles on the terminal process of maxilla. Chondracanthids and zeiform fishes have been proposed as an example...

Laboratory techniques to obtain different forms of Trypanosoma cruzi: applications to wild-type and genetically modified parasites

María de los Milagros Cámara, León A. Bouvier, Mariana R. Miranda, Chantal Reigada, Claudio A. Pereira

Folia Parasitologica 60[5] 406-410 (2013) | DOI: 10.14411/fp.2013.042  

Abstract: Nowadays, there are no simple techniques for mimicking in vitro the life cycle of the kinetoplasmtid Trypanosoma cruzi Chagas, 1909, causative agent of Chagas disease, especially for parasite strains maintained as epimastigotes for many years. In the present study, we propose a method for obtaining metacyclic trypomastigotes, which were capable of infecting mammalian cells by simply lowering pH media. The collected amastigotes and trypomastigotes were differentiated into epimastigotes closing T. cruzi life cycle in vitro. Metacyclogenesis rates and infectivity were enhanced in cycled parasites. Finally, using this...

Sphaeromyxa artedielli sp. n. (Myxozoa: Sphaeromyxidae), a parasite of sculpins (Cottidae) in northern Norway

Egil Karlsbakk, Ann-Cathrine Bårdsgjære Einen, Pavla Bartošová

Folia Parasitologica 60[5] 425-432 (2013) | DOI: 10.14411/fp.2013.045  

Abstract: Sphaeromyxa artedielli sp. n. is described from the gall bladder of the Atlantic hookear sculpin Artediellus atlanticus Jordan et Evermann (Cottidae; type host) from northern Norway. The parasite was also found to infect Triglops murrayi Günther (Cottidae). Spores are produced in disporic pansporoblasts in large flat plasmodia. Spores are straight and fusiform with truncated ends, and measure 16.5-18.7 µm × 4.9-6.2 µm. Valves are thick, striated and suture line is straight. Two equal ovoid polar capsules measure 4.2-6.8 µm × 2.9-4.4 µm and contain irregularly folded polar filaments. Distinctive...

Afrojoyeuxia gen. n. and Hunkeleriella gen. n., two new genera of cestodes (Cyclophyllidea: Anoplocephalidae) from African rodents

Voitto Haukisalmi

Folia Parasitologica 60[5] 475-481 (2013) | DOI: 10.14411/fp.2013.051  

Abstract: Based on the study of type material, two new genera of cestodes (Cyclophyllidea: Anoplocephalidae) are proposed for Paranoplocephala Lühe, 1910 sensu lato species from African rodents. Afrojoyeuxia gen. n., proposed for A. gundii (Joyeux, 1923) comb. n. from Ctenodactylus gundi (Rothmann) (Hystricomorpha: Ctenodactylidae), is characterized by a high length/width ratio of mature proglottids, longitudinally extensive testicular field positioned anterior to the female glands, an ovoid or subspherical cirrus-sac and a thick, conical cirrus. Hunkeleriella gen. n., proposed for H. dasymidis (Hunkeler,...

Subulura halli (Ascaridida: Subuluridae) from the endangered great bustard Otis tarda Linnaeus (Aves: Gruiformes) in China

Li-Qiang Du, Zhen Xu, Shun-Cai Li, Liang Li

Folia Parasitologica 61[1] 69-75 (2014) | DOI: 10.14411/fp.2014.004  

Subulurid nematodes identified as Subulura halli Barreto, 1918 were collected from the endangered bird Otis tarda Linnaeus (Gruiformes: Otididae) in China. A detailed redescription of the hitherto poorly known species is presented using both light and, for the first time, scanning electron microscopy. Previously unreported and erroneous morphological features of taxonomic significance are revealed. This species can be readily distinguished from its congeners by the relatively long oesophagus (1.47-1.92 mm long, representing 10.6-16.9% of body length), the number and arrangement of male caudal papillae (11 pairs in total, arranged as five...

Spontaneous cystogenesis of Toxoplasma gondii in feline epithelial cells in vitro

Renata M. de Muno, Marcos A. Moura, Luciany C. de Carvalho, Sergio H. Seabra, Helene S. Barbosa

Folia Parasitologica 61[2] 113-119 (2014) | DOI: 10.14411/fp.2014.017  

Toxoplasma gondii Nicolle et Manceaux, 1908 is an obligate intracellular parasite with the ability to infect mammals and birds. The only definitive hosts for T. gondii are felids, as the parasites form immature oocysts that are shed in the faeces. Here we introduce cat cells as a model for the study of experimental toxoplasmosis. We selected epithelial cells derived from cat kidneys (CRFK) as a target to determine the intracellular fate of bradyzoites of the T. gondii ME49 strain. In parallel, we compared this infection using epithelial cells from the rat intestine (IEC-6), considering the enteroepithelial development that occurs in the...

Halysioncum kishiense sp. n. and Echinobothrium parsadrayaiense sp. n. (Cestoda: Diphyllidea) from the banded eagle ray, Aetomylaeus cf. nichofii off the Iranian coast of the Persian Gulf

Mahdis Meraji Masouleh Moghadam, Mohammad Haseli

Folia Parasitologica 61[2] 133-140 (2014) | DOI: 10.14411/fp.2014.019  

Two new species of two genera of the order Diphyllidea van Beneden in Carus, 1863, Halysioncum Caira, Marques, Jensen, Kuchta et Ivanov, 2013 and Echinobothrium van Beneden, 1849 sensu stricto are described from Aetomylaeus cf. nichofii (Bloch et Schneider) off the Iranian coast of the Persian Gulf. Halysioncum kishiense sp. n. differs from all other congeners in the number of apical hooks with the exception of H. hoffmanorum (Tyler, 2001) and H. pigmentatum (Ostrowski de Núñez, 1971). Halysioncum kishiense sp. n. can be easily differentiated from H. hoffmanorum and H....

Redescription and systematic position of Soricinia tripartita Żarnowski, 1955 (Cestoda: Cyclophyllidea), a cestode species parasitic in shrews of the genus Sorex, including erection of Gulyaevilepis gen. n.

Svetlana A. Kornienko, Rasa Binkienė

Folia Parasitologica 61[2] 141-147 (2014) | DOI: 10.14411/fp.2014.015  

Soricinia tripartita Żarnowski, 1955 is redescribed on the basis of specimens from the type host Sorex araneus Linnaeus from Lithuania, Latvia and Russia (Republic of Karelia and Republic of Komi - a new geographical record) as well as from Sorex satunini Ognev and Sorex volnuchini Ognev from Russia (Nalchik Area in the Caucasus Mountains). The strobilar morphology of S. tripartita is compared with that of other hymenolepidid cestodes of shrews with an unarmed scolex and serial development of proglottides in the strobila, i.e. species of Mathevolepis Spassky, 1948, Ditestolepis Soltys, 1952, Spasskylepis...

A rare finding of mites (Arachnida: Acari: Leeuwenhoekiidae) parasitising a whip spider (Arachnida: Amblypygi: Charinidae)

Thiago Gonçalves-Souza, Alessandro P. L. Giupponi, Fabio A. Hernandes

Folia Parasitologica 61[2] 182-184 (2014) | DOI: 10.14411/fp.2014.016  

Twelve larvae of unidentified species of Odontacarus Ewing, 1929 (Acari: Leeuwenhoekiidae) were found parasitising an adult male whip spider Charinus brasilianus Weygoldt (Charinidae) in Santa Teresa, mountainous region of Espírito Santo state, southeastern Brazil. These larvae occurred in the intersegmental membrane of prosoma and legs. This is the first report of ectoparasitic mites infecting a charinid whip spider and the first record of leeuwenhoekiid mites parasitising an invertebrate host. We suggest that future studies are essential to understand the reasons why these events of parasitism are so rare in the order Amblypygi.

First report on trichomonads from true bugs

Pavla Smejkalová, Jan Votýpka, Julius Lukeš, Ivan Čepička

Folia Parasitologica 61[3] 189-194 (2014) | DOI: 10.14411/fp.2014.025  

Although the hindgut of some insects represents a rich source of intestinal trichomonads, their diversity is only poorly understood. The aim of the present study was to investigate the presence and abundance of intestinal trichomonads in true bugs (Heteroptera). We microscopically examined intestinal contents of more than 780 specimens belonging to 28 families of true bugs from localities in China, Ghana and Papua New Guinea for the presence of intestinal endosymbionts. More than 120 samples were examined also by means of PCR using trichomonad-specific primers. We determined sequences of SSU rDNA and ITS region of two isolates of the genus Simplicimonas...

Four new species of coccidia (Apicomplexa: Eimeriidae) from Owen Stanley skinks, Papuascincus stanleyanus (Sauria: Scincidae), from Papua New Guinea

Chris T. McAllister, Donald W. Duszynski, Robert N. Fisher, Christopher C. Austin

Folia Parasitologica 61[3] 195-200 (2014) | DOI: 10.14411/fp.2014.018  

Between September and November 1991, 12 Owen Stanley skinks, Papuascincus stanleyanus (Booulenger) were collected from various localities on Papua New Guinea and examined for coccidians. Six (50%) were found to harbour four eimerians that we describe here as new. Oocysts of Eimeria burseyi sp. n. were elongate to ellipsoidal with a bilayered wall and measured (length × width, L × W) 36.0 × 24.0 µm, with a L/W ratio of 1.5. Both micropyle and oocyst residuum were absent, but a polar granule was present. Oocysts of Eimeria goldbergi sp. n. were ellipsoidal, with a bilayered wall, and measured 21.4 × 16.1 µm; L/W ratio...

Eutetrarhynchid trypanorhynchs (Cestoda) from elasmobranchs off Argentina, including the description of Dollfusiella taminii sp. n. and Parachristianella damiani sp. n., and amended description of Dollfusiella vooremi (São Clemente et Gomes, 1989)

Adriana Menoret, Verónica A. Ivanov

Folia Parasitologica 61[5] 411-431 (2014) | DOI: 10.14411/fp.2014.056  

During a parasitological survey of teleosts and elasmobranchs in the Argentine Sea, 3 species of eutetrarhynchids were collected from the batoids Myliobatis goodei Garman and Psammobatis bergi Marini, and the shark Mustelus schmitti Springer. The specimens collected from Mu. schmitti were identified as Dollfusiela vooremi (São Clemente et Gomes, 1989), whereas the specimens from My. goodei and Ps. bergi resulted in new species of Dollfusiella Campbell et Beveridge, 1994 and Parachristianella Dollfus, 1946, respectively. Dollfusiella taminii sp. n. from...

A new genus and two new species of lecanicephalidean tapeworms from the striped panray, Zanobatus schoenleinii (Rhinopristiformes: Zanobatidae), off Senegal

Kirsten Jensen, Kendra R. Mojica

Folia Parasitologica 61[5] 432-440 (2014) | DOI: 10.14411/fp.2014.054  

Recognised for their diversity in apical structure morphology, members of the cestode order Lecanicephalidea Wardle et McLeod, 1952 known to date exhibit relatively mundane and uniform acetabular morphology. A new lecanicephalidean genus, Zanobatocestus gen. n., is proposed for two new species found parasitising the spiral intestine of the striped panray, Zanobatus schoenleinii (Müller et Henle), off Senegal that are highly unusual in acetabular morphology. Unlike the members of the 21 recognised lecanicephalidean genera, which possess simple, uniloculate suckers or bothridia, Zanobatocestus minor sp. n. and Z. major...

Does the prevalence of latent toxoplasmosis and frequency of Rhesus-negative subjects correlate with the nationwide rate of traffic accidents?

Jaroslav Flegr, Madhukar Dama

Folia Parasitologica 61[6] 485-494 (2014) | DOI: 10.14411/fp.2014.061  

Latent toxoplasmosis is probably the most common protistan parasitic disease with many indirect negative impacts on human health. One of the important impacts is impaired psychomotor function leading to reduced driving efficiency in Toxoplasma-seropositive subjects. Numerous case-control studies have established a positive relation between the seroprevalence of Toxoplasma gondii (Nicolle et Manceaux, 1908) and probability of traffic accidents in study populations. The prevalence of toxoplasmosis varies between populations according to local geographical conditions, hygienic practices and kitchen habits. Similarly, we see a striking variation...

Developmental stages and fecundity of Lepeophtheirus simplex (Copepoda: Caligidae) parasitic on bullseye puffer fish (Sphoeroides annulatus)

Francisco Neptalí Morales-Serna, Ana Inés Rivas-Salas, Samuel Gómez, Emma Josefina Fajer-Ávila

Folia Parasitologica 62[1] 4 (2015) | DOI: 10.14411/fp.2015.004  

Lepeophtheirus simplex Ho, Gómez et Fajer-Avila, 2001 is a parasite of Sphoeroides annulatus (Jenyns), an economically important fish species, with potential for aquaculture, in northwestern Mexico. The goal of this study was to describe the developmental stages under experimental conditions and seasonal fecundity of this parasite on wild fish. There are two naupliar, one copepodid, two chalimus and two pre-adult stages preceding the adult of L. simplex. The results support previous findings, which point out that the life cycle of the caligid copepods includes only six post-naupliar stages. The generation time from egg extrusion to adult...

Carcinopodacarus polymorphus gen. n. et sp. n. from Guira guira (Cuculiformes: Cuculidae) in Brazil: a first example of male polymorphism in the family Dermationidae (Acariformes: Analgoidea)

Fabio Akashi Hernandes, Luiz Gustavo A. Pedroso, Andre V. Bochkov

Folia Parasitologica 62[1] 9 (2015) | DOI: 10.14411/fp.2015.009  

Carcinopodacarus polymorphus gen. n. et sp. n. (Acariformes: Dermationidae: Dermationinae) is described from the guira cuckoo Guira guira (Gmelin) (Cuculiformes: Cuculidae) in Brazil. The new genus differs from the closest genus, Psittophagoides Fain, 1964, by the following features: in both sexes, the anterior spines of trochanters I and II are absent (vs present in Psittophagoides), setae d2 are distinctly developed (vs only alveoli), and genual setae mGI are absent (vs present); in males, the hysteronotal shield is split transversally at the level of trochanters III (vs hysteronotal...

Lemuralges propithecus sp. n. (Acariformes: Psoroptidae), an ectoparasite of the diademed sifaka Propithecus diadema (Primates: Indriidae)

Andre V. Bochkov, Hans Klompen, Randall E. Junge, Cathy V. Williams

Folia Parasitologica 62[1] 11 (2015) | DOI: 10.14411/fp.2015.011  

A new species of the genus Lemuralges Fain, 1963 (Acariformes: Psoroptidae: Makialginae) is described from the Malagasy lemur Propithecus diadema (Bennett) (Primates: Indriidae) based on all postembryonic instars. This new species differs from the only known species in this genus, Lemuralges intermedius Fain, 1963, by the following features: both sexes of L. propithecus sp. n. show a pair of medioventral projections of the subcapitulum (vs without projections in L. intermedius) and the propodonotal shield is slightly ornamented (vs unornamented); in males the hysteronotal shield is completely covered...

A new species of Wallinia Pearse, 1920 (Digenea: Allocreadiidae) in Astyanax mexicanus (Characidae) from Mexico revealed by morphology and sequences of the 28S ribosomal RNA gene

Gerardo Pérez-Ponce de León, Ulises Razo-Mendivil, Berenit Mendoza-Garfias, Miguel Rubio-Godoy, Anindo Choudhury

Folia Parasitologica 62[1] 18 (2015) | DOI: 10.14411/fp.2015.018  

Wallinia mexicana sp. n. is described from the Mexican tetra, Astyanax mexicanus (De Filippi) (Characidae Weitzman), from two localities in northern Mexico. The new species can be distinguished from the two congeneric species, described from small-bodied characids in South and Central America, mainly by the posterior extent of the vitelline follicles (halfway between the posterior testis and the end of the caeca), by having a larger oesophagus, testes that are always oblique, and eye-spot remnants. The distinct status of the new species was confirmed by molecular data (28S rRNA gene sequences). Phylogenetic analysis suggests the new species...

Sexual segregation of Echinorhynchus borealis von Linstow, 1901 (Acanthocephala) in the gut of burbot (Lota lota Linnaeus)

Arto Tuomainen, E. Tellervo Valtonen, Daniel P. Benesh

Folia Parasitologica 62[1] (2015) | DOI: 10.14411/fp.2015.061  

Helminths often occupy defined niches in the gut of their definitive hosts. In the dioecious acanthocephalans, adult males and females usually have similar gut distributions, but sexual site segregation has been reported in at least some species. We studied the intestinal distribution of the acanthocephalan Echinorhynchus borealis von Linstow, 1901 (syn. of E. cinctulus Porta, 1905) in its definitive host, burbot (Lota lota Linnaeus). Over 80% of female worms were found in the pyloric caeca, whereas the majority of males were in the anterior two-thirds of the intestine. This difference was relatively consistent between individual...

T7 polymerase-driven transcription is downregulated in metacyclic promastigotes and amastigotes of Leishmania mexicana

Aygul Ishemgulova, Natalya Kraeva, Drahomíra Faktorová, Lucie Podešvová, Julius Lukeš, Vyacheslav Yurchenko

Folia Parasitologica 63:016 (2016) | DOI: 10.14411/fp.2016.016  

In our previous work we established a T7 polymerase-driven Tetracycline-inducible protein expression system in Leishmania mexicana (Biagi, 1953). We used this system to analyse gene expression profiles during development of L. mexicana in procyclic and metacyclic promastigotes and amastigotes. The transcription of the gene of interest and the T7 polymerase genes was significantly reduced upon cell differentiation. This regulation is not locus-specific. It depends on untranslated regions flanking open reading frames of the genes analysed. In this paper, we report that the previously established conventional inducible protein expression...

Patterns in the distribution and directional asymmetry of fleas living on the northern white-breasted hedgehog Erinaceus roumanicus

Krzysztof Dudek, Gábor Földvári, Viktória Majláthová, Igor Majláth, Krisztina Rigó, Viktor Molnár, Mária Tóth, Łukasz Jankowiak, Piotr Tryjanowski

Folia Parasitologica 64:026 (2017) | DOI: 10.14411/fp.2017.026  

Fleas infecting northern white-breasted hedgehogs, Erinaceus roumanicus (Barrett-Hamilton), collected from 2009-2011 in Budapest (Hungary) were studied. A total of 305 white-breasted hedgehogs were captured and 1,251 fleas were collected. The flea community comprised two species, the hedgehog flea Archaeopsylla erinacei (Bouche, 1835) and the dog flea Ctenocephalides canis (Curtis, 1826), although the latter was only found on three hedgehogs. Fleas were found on half of the host specimens (51%; n = 156) where their distribution was strongly aggregated. The sex ratio of A. erinacei was biased towards females and was correlated...

Preparation of monoclonal antibodies against Bc48 and development of a rapid detection assay for infection with Babesia caballi in China

Panju Wang, Jingjing Song, Ruiqi Song, Mengyuan Zhang, Lijiang Wu, Fangxin Li, Yan Yan, Jiyong Zhou, Bayin Chahan, Min Liao

Folia Parasitologica 66:005 (2019) | DOI: 10.14411/fp.2019.005  

Babesia caballi (Nuttal, 1910) is one of the causative agents of equine piroplasmosis which causes economic losses to horse industry in China. There is an urgent need for rapid detection method for B. caballi infection in Xinjiang Province, China. To prepare monoclonal antibodies (mAbs) against Bc48 gene of B. caballi (Xinjiang local strains) and establish colloidal gold-immunochromatographic (ICT) assay for diagnosis of the disease, recombinant Bc48 was expressed and purified from Escherichia coli. With purified Bc48 as immunogen in mice, three hybridoma cells named 11F4, 1H2 and 7F4 secreting mAbs against Bc48 of B....

Alpine bullhead (Cottus poecilopus Heckel): a potential refuge for Gyrodactylus salaris Malmberg, 1957 (Monogenea)

Tor A. Bakke, Rachel A. Paterson, Jo Cable

Folia Parasitologica 66:018 (2019) | DOI: 10.14411/fp.2019.018  

The notifiable freshwater pathogen Gyrodactylus salaris Malmberg, 1957 tends to be a generalist in contrast to other monogeneans. Whilst it causes most damage to its primary host, the Atlantic salmon (Salmo salar Linnaeus), transport and reservoir hosts likely play a key role in maintaining the parasite in the environment. Here, we tested the ability of G. salaris (strain River Lierelva, southern Norway) to infect and reproduce on a population of wild caught alpine bullhead (Cottus poecilopus Heckel). Exposure of alpine bullhead yearlings (0+) to G. salaris for 24 h at low (6.5 °C) or high temperature (11.5 °C) resulted...

Infection with Toxoplasma gondii can promote chronic liver diseases in HIV-infected individuals

Ihor H. Hryzhak

Folia Parasitologica 67:034 (2020) | DOI: 10.14411/fp.2020.034  

Liver pathologies and infection with Toxoplasma gondii (Nicolle et Manceaux, 1908) are widespread among HIV-infected patients. However, a possible contribution of toxoplasmosis to the development of various forms of liver diseases in HIV-infected individuals has not yet been determined. This research is a retrospective cohort study. Medical cards of 907 HIV-positive patients, including 119 individuals who died, were studied. The patients were divided into two groups: 531 patients were seropositive to T. gondii and 376 seronegative. General liver pathology was more widespread among patients seropositive to T. gondii than in seronegative...

The sixtieth birthday of Academician Otto Jírovec

B. ROSICKÝ

Folia Parasitologica 14[1] 1-4 (1967)  

Book reviews, Notes and News

Folia Parasitologica 14[2] X (1967)

Book reviews, Notes and News

Folia Parasitologica 16[4] X (1969)

Book reviews, Notes and News

Folia Parasitologica 18[1] X (1971)

Book reviews, Notes and News

Folia Parasitologica 18[3] X (1971)