<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Morphological features of adult specimens of Ascaridia hermaphrodita and A. platyceri (Nematoda: Ascaridida), parasitizing parrots (Psittaciformes), were studied for the first time using scanning electron microscopy. The morphology of A. hermaphrodita, the type species of Ascaridia, coincides fully with the generic diagnosis. The shape of the labial inner structure (two spoon-like projections), cervical alae and spicule with cuticular wings were typical for this species. A. hermaphrodita has been found in the Czech Republic for the first time in a new host, Amazona pretrei, from Brazil. The morphology of Ascaridia platyceri does not correspond with the generic diagnosis in all aspects, as some variation was found, mainly in the presence of interlabia, small teeth in the inner ribbon of the lips and long lateral alae. These morphological characteristics in other species of Ascaridia are discussed. The generic diagnosis is to include the statement “interlabia very rarely present”.</p></abstract>

Morphological features of adult specimens of Ascaridia hermaphrodita and A. platyceri (Nematoda: Ascaridida), parasitizing parrots (Psittaciformes), were studied for the first time using scanning electron microscopy. The morphology of A. hermaphrodita, the type species of Ascaridia, coincides fully with the generic diagnosis. The shape of the labial inner structure (two spoon-like projections), cervical alae and spicule with cuticular wings were typical for this species. A. hermaphrodita has been found in the Czech Republic for the first time in a new host, Amazona pretrei, from Brazil. The morphology of Ascaridia platyceri does not correspond with the generic diagnosis in all aspects, as some variation was found, mainly in the presence of interlabia, small teeth in the inner ribbon of the lips and long lateral alae. These morphological characteristics in other species of Ascaridia are discussed. The generic diagnosis is to include the statement “interlabia very rarely present”.

Note on morphology of two nematode species Ascaridia hermaphrodita and Ascaridia platyceri (Nematoda): scanning electron microscope study

Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic

Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05, České Budějovice, Czech Republic

Clinic of Avian, Reptiles and Small Mammals Diseases, University of Veterinary and Pharmaceutical Sciences Brno, Palackého 1/3, 612 42, Brno, Czech Republic

Helminthologia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Morphological features of adult specimens of Ascaridia hermaphrodita and A. platyceri (Nematoda: Ascaridida), parasitizing parrots (Psittaciformes), were...

Note on morphology of two nematode species Ascaridia hermaphrodita and Ascaridia platyceri (Nematoda): scanning electron microscope study

Published Online: Nov 06, 2008

Page range: 109 - 113

DOI: https://doi.org/10.2478/s11687-008-0021-4

Keywords
Ascaridia hermaphrodita, A. platyceri, Psittaciformes, Czech Republic, morphology, differences

© 2008 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Note on morphology of two nematode species Ascaridia hermaphrodita and Ascaridia platyceri (Nematoda): scanning electron microscope study

Published Online: Nov 06, 2008

Page range: 109 - 113

DOI: https://doi.org/10.2478/s11687-008-0021-4

KeywordsAscaridia hermaphrodita, A. platyceri, Psittaciformes, Czech Republic, morphology, differences

© 2008 Institute of Parasitology, SAS, Košice, Slovakia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Ascaridia hermaphrodita, A. platyceri, Psittaciformes, Czech Republic, morphology, differences