Results 71 to 80 of about 95 (81)
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Proceedings of the Academy of Natural Sciences of Philadelphia, 2003
Abstract We compiled information on freshwater Nematomorpha (horsehair worms) from North America including new records of more than 100 specimens from 66 new locations and the description of two new species. From the 30 species names that have been used for Nearctic nematomorphs, 15 are regarded as valid species.
Andreas Schmidt-Rhaesa +2 more
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Abstract We compiled information on freshwater Nematomorpha (horsehair worms) from North America including new records of more than 100 specimens from 66 new locations and the description of two new species. From the 30 species names that have been used for Nearctic nematomorphs, 15 are regarded as valid species.
Andreas Schmidt-Rhaesa +2 more
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Horsehair worm,Paragordius varius(Nematomorpha: Gordiida): New to the Fauna of Oklahoma
The Southwestern Naturalist, 2013Abstract During July 2011, collections of several freshwater horsehair worms were made at two sites (Mud and Salt creeks) in McCurtain County, Oklahoma. The specimens were subsequently identified as Paragordius varius (Leidy, 1851), which represents a new nematomorph for the state.
Chris T. McAllister +2 more
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Journal of Parasitology, 2009
Gordiid larvae enter and encyst within a large variety of aquatic vertebrates and invertebrates. Cysts of a single species of gordiid have been found in such diverse hosts as insect larvae, snails, crustaceans, fish, and many others. One particularly surprising host report was made nearly 100 yr ago, i.e., cysts within adult trematodes.
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Gordiid larvae enter and encyst within a large variety of aquatic vertebrates and invertebrates. Cysts of a single species of gordiid have been found in such diverse hosts as insect larvae, snails, crustaceans, fish, and many others. One particularly surprising host report was made nearly 100 yr ago, i.e., cysts within adult trematodes.
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Journal of Parasitology, 2016
The host-parasite associations between ground beetles (Coleoptera: Carabidae) and hairworms (Nematomorpha: Gordiida) collected from the Arctic (an understudied and ecologically important region) is described. Carabids and their parasites were collected from 12 sites spanning the 3 northernmost ecoclimatic zones of Canada (north boreal, subarctic, and ...
Crystal M, Ernst +2 more
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The host-parasite associations between ground beetles (Coleoptera: Carabidae) and hairworms (Nematomorpha: Gordiida) collected from the Arctic (an understudied and ecologically important region) is described. Carabids and their parasites were collected from 12 sites spanning the 3 northernmost ecoclimatic zones of Canada (north boreal, subarctic, and ...
Crystal M, Ernst +2 more
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Invertebrate Biology, 2003
Abstract. Details of the life cycle of freshwater nematomorphs (gordiids) remain unclear. Free‐living aquatic larval gordiids must make a critical transition from an epibenthic aquatic environment to terrestrial hosts. In order to identify potential hosts capable of bridging this ecological gap, the specificity of paratenic hosts of three common ...
Ben Hanelt, John Jr. Janovy
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Abstract. Details of the life cycle of freshwater nematomorphs (gordiids) remain unclear. Free‐living aquatic larval gordiids must make a critical transition from an epibenthic aquatic environment to terrestrial hosts. In order to identify potential hosts capable of bridging this ecological gap, the specificity of paratenic hosts of three common ...
Ben Hanelt, John Jr. Janovy
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Ecological Research, 2020
Abstract The occurrence of many parasites and their hosts vary conspicuously by season due to their periodic life history events. Nematomorphs are common parasites in terrestrial‐aquatic ecotones, but it is still unknown how the nematomorphs complete their complex life cycles by using multiple hosts that are ...
Nanoko Meguro +7 more
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Abstract The occurrence of many parasites and their hosts vary conspicuously by season due to their periodic life history events. Nematomorphs are common parasites in terrestrial‐aquatic ecotones, but it is still unknown how the nematomorphs complete their complex life cycles by using multiple hosts that are ...
Nanoko Meguro +7 more
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Chemosphere, 2010
Chordodes nobilii is a parasite whose pre- and postparasitic stages are found in different types of freshwater bodies. Due to the peculiarities of its life cycle, it acts as a link between freshwater bodies and terrestrial ecosystems. There is little toxicological information on the group Gordiida. It is only known that embryos and larvae of C. nobilii
Cecilia L, Achiorno +2 more
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Chordodes nobilii is a parasite whose pre- and postparasitic stages are found in different types of freshwater bodies. Due to the peculiarities of its life cycle, it acts as a link between freshwater bodies and terrestrial ecosystems. There is little toxicological information on the group Gordiida. It is only known that embryos and larvae of C. nobilii
Cecilia L, Achiorno +2 more
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Journal of Parasitology, 2015
It is well established that parasites in the phylum Nematomorpha induce suicide behavior of their insect hosts to bring adult worms to the appropriate habitat for emergence. It is not well established, however, whether other nematomorph-induced behavioral alterations occur before worm emergence.
A, Barquin +5 more
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It is well established that parasites in the phylum Nematomorpha induce suicide behavior of their insect hosts to bring adult worms to the appropriate habitat for emergence. It is not well established, however, whether other nematomorph-induced behavioral alterations occur before worm emergence.
A, Barquin +5 more
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Zootaxa, 2013
We review recent advances in the use of non-adult gordiid cyst stages to locate gordiids over large geographical regions and new culturing techniques which can help overcome current difficulties in nematomorph biodiversity studies. Using these techniques, we collected a new species of gordiid as cysts in aquatic snails (Biomphalaria pfeifferi) from the
Bolek, Matthew G. +4 more
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We review recent advances in the use of non-adult gordiid cyst stages to locate gordiids over large geographical regions and new culturing techniques which can help overcome current difficulties in nematomorph biodiversity studies. Using these techniques, we collected a new species of gordiid as cysts in aquatic snails (Biomphalaria pfeifferi) from the
Bolek, Matthew G. +4 more
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Description of Gordius attoni sp.n. (Nematomorpha, Gordiidae) from Northern Canada
Canadian Journal of Zoology, 1980Gordius attoni sp.n. (Nematomorpha, Gordiidae) is described using a scanning electron microscope (SEM) and conventional methods. The presence of white spots, the postcloacal crescent on the male caudal end, and the shallow interareolar furrows devoid of pores and bristles as seen in SEM are characteristic of the genus Gordius.
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