Parelaphostrongylus andersoni sp. n. (Metastrongyloidea: Protostrongylidae) from the Musculature of White-Tailed Deer (Odocoileus virginianus)

Prestwood, Annie K.

doi:10.2307/3286582

Cited by 26 publications

(26 citation statements)

References 2 publications

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“…1976), suggesting that E. cerci may be a widely distributed parasite of Rangifer in Canada. First-and thirdstage E. cerui larvae cannot be distinguished from those of other elaphostrongyline nematodes in North American cervids, with the exception of Parelaphostrongylus odocoilei Hobmaier and Hobmaier 1934, which has a shorter third-stage larva (Prestwood 1972).…”

Section: Discussionmentioning

confidence: 97%

Elaphostrongylus cervi Cameron 1931 (Nematoda: Metastrongyloidea) in caribou (Rangifer tarandus caribou) of Newfoundland

Lankester¹,

Northcott²

1979

Can. J. Zool.

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Elaphostrongylus cervi Cameron 1931 is identified for the first time in North America from woodland caribou (Rangifer tarandus caribou) in Newfoundland where up to 88% of animals were infected. First-stage nematode larvae identical to those of E. cervi occur in faeces of barren ground caribou (R. t. groenlandicus) of the Kaminuriak herd and of woodland caribou in northern Labrador, Ontario, and Manitoba, suggesting that the parasite is widespread in Rangifer in Canada.In clinically normal caribou, adult E. cervi were found beneath the skin and in fascia of the thoracic musculature. Verminous pneumonia caused by nematode eggs and larvae in the lungs and diffuse lymphocytic leptomeningitis over the brain and spinal cord were consistent aspects of infection. A 10-month-old caribou calf exhibiting neurologic signs had numerous E. cervi among thoracic and cervical muscles but none in the central nervous system. Accumulations of lymphocytes, eosinophils, and histiocytes in the subarachnoid and perineurium of lateral nerves in the posterior region of the spinal cord and destruction of axons in the cauda equina may explain the clinical signs observed.

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Section: Discussionmentioning

confidence: 97%

Elaphostrongylus cervi Cameron 1931 (Nematoda: Metastrongyloidea) in caribou (Rangifer tarandus caribou) of Newfoundland

Lankester¹,

Northcott²

1979

Can. J. Zool.

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“…First-stage larvae of V. alpenae may have been misidentified in some previous studies because the first-stage, dorsal-spined larvae of many lungworms in North America are almost indistinguishable in morphology (see Anderson 1963;Prestwood 1972;Lankester and Northcott 1979;Pybus and Shave 1984) except for slight differences in length (Fig. 2).…”

Section: Discussionmentioning

confidence: 94%

“…tenuis from 5 whitetails (with spined larvae in their feces) from Saskatchewan left open the possibility that another parasite was involved. Thus, an experimental approach was adopted based on the assumption that the life cycle of the unidentified parasite was similar to that of other species of metastrongyloids that possess dorsal-spined, firststage larvae (see Anderson 1963;Prestwood 1972;Platt and Samuel 1978). The approach resulted in recovery of Varestrongylus alpenae from the lung parenchyma of experimentally infected mule deer fawns, and documentation of the occurrence of dorsal-spined larvae in white-tailed deer of Saskatchewan.…”

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confidence: 99%

Varestrongylus alpenae (Nematoda: Metastrongyloidea) in white-tailed deer (Odocoileus virginianus) of Saskatchewan

Gray¹,

Samuel²,

Shostak³

et al. 1985

Can. J. Zool.

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PYBUS. 1985. Varestrongylus alpenae (Nematoda: Metastrongyloidea) in white-tailed deer (Odocoileus virginianus) of Saskatchewan. Can. J. Zool. 63: 1449-1454. The lungworm nematode Varestrongylus alpenae (Dikmans, 1935) Dougherty, 1945 is reported in Canada for the first time. Dorsal-spined, first-stage nematode larvae were found in 19% of 1098 fecal pellet groups of white-tailed deer (Odocoileus virginianus) randomly collected in central and eastern Saskatchewan. These larvae developed to the infective stage, experimentally, in the gastropods Triodopsis albolabris and Triodopsis multilineata and were infective to captive mule deer (Odocoileus h. hemionus) and white-tailed deer fawns. All of four mule deer and two of three white-tailed deer developed patent infections (mule deer in 43 -49 days and white-tailed deer in 54-55 days). Adults nematodes, identified as Varestrongylus alpenae, were recovered from the lung parenchyma of two mule deer. The geographical distribution of V. alpenae in white-tailed deer in North America is discussed. GRAY, J. B., W. M. SAMUEL, A. W. SHOSTAK et M. J. PYBUS. 1985. Varestrongylus alpenae (Nematoda: Metastrongyloidea) in white-tailed deer (Odocoileus virginianus) of Saskatchewan. Can. J. Zool. 63: 1449-1454. Le nkmatode parasite du poumon Varestrongylus alpenae (Dikmans, 1935) Dougherty, 1945, a kt6 trouvk au Canada pour la premikre fois. Des larves de premier stade a kpines dorsales ont kt6 trouvks dans 19% des groupes de boulettes fkcales de cerfs a queue blanche (Odocoileus virginianus) recueillis au hasard dans le centre et I'Est de la Saskatchewan. Ces larves ont atteint le stade infectieux en laboratoire chez les gastropodes Triodopsis albolabris et Triodopsis multilineata et elles se sont avkrkes infectieuses pour des cerfs a queue noire (Odocoileus h. hemionus) et des faons du cerf a queue blanche gardks en captivitk. Les symptomes de I'infection se sont manifestks chez les quatre cerfs a queue noire exposks (apres 43-49 jours) et chez deux des trois cerfs a queue blanche exposks (apres 54-55 jours. Des adultes du nematode, reconnu comme Varestrongylus alpenae, ont kt6 retrouvks dans le parenchyme pulmonaire de deux cerfs a queue noire. La rkpartition gkographique de V. alpenae chez les cerfs a queue blanche d'Amkrique du Nord fait l'objet d'une discussion. [Traduit par le journal] Bindernagel and Anderson (1972) found dorsal-spined, firststage larvae in the feces of white-tailed deer in Saskatchewan in 197 1. They indicated that the larvae were morphologically indistinguishable from those of the meningeal worm, Parelaphostrongylus tenuis. They recovered adult worms of P. tenuis from a white-tailed deer in Manitoba within 52 km of Saskatchewan and indicated that if P. tenuis was in Saskatchewan and was spreading westward, it would have important implications for the management of big game to the west. Parelaphostrongylus tenuis, although generally not pathogenic in its normal host, white-tailed deer, causes severe pathology often resulting in death in a variety of cervids ...

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“…Nonetheless, Platt (1984) attempted to reconstruct the phylogeny of the group using descriptions from the literature as well as his own observations. He concluded that Parelaphostrongylus, a monophyletic taxon, consists of a muscle-worm lineage, including P. odocoilei and P. andersoni Prestwood, 1972, and a separate clade containing the meningeal worm, P. tenuis. A Nearctic origin for the elaphostrongylines was also suggested.…”

Section: Introductionmentioning

confidence: 99%

A re-evaluation of the phylogeny of Parelaphostrongylus Boev & Schulz, 1950 (Nematoda: Protostrongylidae)

Carreno

Lankester

1994

Syst Parasitol

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The phylogeny of the genus Parelaphostrongylus was reconstructed using Elaphostrongylus rangiferi as an outgroup. Parelaphostrongylus is monophyletic and divided into two clades, one containing the meningeal worm, P. tenuis of white-tailed deer, and the other consisting of two muscle-inhabiting forms, P. andersoni and P. odocoilei of white-tailed and mule deer, respectively. Differences in biological features, including tissue migration route and prepatent period, are mapped onto the cladogram and discussed. Phylogenetic relationships among the host group, the Cervidae, are reviewed. It is suggested that E. rangiferi evolved in a Palaearctic cervid. Parelaphostrongylus probably co-speciated with Nearctic deer, Odocoileus spp. Host-switching from O. virginianus may explain the widespread occurrence of P. andersoni in Rangifer in North America.

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Parelaphostrongylus andersoni sp. n. (Metastrongyloidea: Protostrongylidae) from the Musculature of White-Tailed Deer (Odocoileus virginianus)

Cited by 26 publications

References 2 publications

Elaphostrongylus cervi Cameron 1931 (Nematoda: Metastrongyloidea) in caribou (Rangifer tarandus caribou) of Newfoundland

Elaphostrongylus cervi Cameron 1931 (Nematoda: Metastrongyloidea) in caribou (Rangifer tarandus caribou) of Newfoundland

Varestrongylus alpenae (Nematoda: Metastrongyloidea) in white-tailed deer (Odocoileus virginianus) of Saskatchewan

A re-evaluation of the phylogeny of Parelaphostrongylus Boev & Schulz, 1950 (Nematoda: Protostrongylidae)

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