Rearing of eight species of terrestrial gastropods (order Stylommatophora) under laboratory conditions

Gray, J. B.; Kralka, Robert A.; Samuel, William

doi:10.1139/z85-363

Cited by 8 publications

(5 citation statements)

References 10 publications

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“…Cultures were maintained following the suggestions of Gray et al (1985). Cultures were maintained following the suggestions of Gray et al (1985).…”

Section: Methodsmentioning

confidence: 99%

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Selection of Terrestrial Gastropod Prey by Cychrine and Pterostichine Ground Beetles (Coleoptera: Carabidae)

Digweed

1993

Can Entomol

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The Canadian Entomologist 125: 463472 (1993) I examined the relative feeding preferences of five carabid beetle species for terrestrial gastropod prey. Scaphinotus marginatus Fischer, thought to be a snail specialist, discriminated among seven species of potential prey by size and species, with the slug Deroceras reticulatum (Miiller) being the most preferred. Scaphinotus marginatus appears to use its elongated and narrowed mouthparts, head, and thorax to prey upon terrestrial snails without having to crush their shells. The relative feeding preferences of four pterostichine generalist predators (Pterostichus adstrictus Eschscholtz, P. pensylvanicus LeConte, P. protractus LeConte, and P. surgens LeConte) for two species of small snails [Discus cronkhitei (Newcomb) and Euconulus fulvus (Miiller)] also were examined. Although all four carabids ate E. fulvus in varying proportions, only P. protractus consumed D. cronkhitei. I suggest that snail shell thickness and differing feeding preferences affect which snail species are eaten by these pterostichines. Digweed, S.C. 1993. Predation selective de gastropodes terrestres par des carabes cychrines et ptCrostichinCs (Coleoptera: Carabidae). The Canadian Entomologisl 125: 463472. Resume J'ai CtudiC les prCfkrences alimentaires relatives pour certains gastropodes terrestres chez cinq especes de carabes. Scaphinotus marginatus Fischer, rCputC Ctre un consommateur spkcialiste de gastropodes, peut discriminer entre sept especes de proies potentielles en fonction de leur taille et de leur nature spCcifique, et manifeste une prCfCrence pour la limace Deroceras reticulatum (Miiller). Scaphinotus marginatus semble utiliser ses pieces buccales allongkes et Ctroites, sa tete et son thorax pour attraper des gastropodes terrestres sans avoir a en Ccraser la coquille. Les prCfCrences relatives de quatre carabes ptCrostichinCs genkralistes (Pterostichus adstrictus Eschscholtz, P. pensylvanicus LeConte, P. protractus LeConte et P. surgens LeConte) pour deux especes de petits gastropodes [Discus cronkhitei (Newcomb) et Euconulus fulvus (Miiller)] ont Cgalement Ct C examinCes. Bien que les quatre carabes consomment des E. fulvus dans des proportions diffkrentes, seul P. protractus consomme des D. cronkhitei. Je crois que i'kpaisseur de la coquille des gastropodes et des prkfkrences alimentaires variCes dkterminent quelles especes de gastropodes sont consommCes par ces carabes ptkrostichinCs. [Traduit par la rkdaction]

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“…Cultures were maintained following the suggestions of Gray et al (1985). Cultures were maintained following the suggestions of Gray et al (1985).…”

Section: Methodsmentioning

confidence: 99%

“…Gastropods were collected from both of the above sites and from similar mixed forest habitats in central Alberta. Cultures were maintained following the suggestions of Gray et al (1985). Gastropods were fed sliced carrot and washed lettuce, sprinkled with calcium carbonate, four times a week.…”

Section: Methodsmentioning

confidence: 99%

Selection of Terrestrial Gastropod Prey by Cychrine and Pterostichine Ground Beetles (Coleoptera: Carabidae)

Digweed

1993

Can Entomol

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“…Numbers of larvae collected from fecal samples from west-central Alberta were expressed as larvae per g of wet-weight of feces. Snails, Triodopsis multilineata, from laboratory-reared colonies, maintained as described by Gray et al (1985a), were used as an intermediate host. Snails were exposed to first-stage larvae of west-central Alberta origin, which had been placed on a moistened disc of Whatman No.…”

Section: Introductionmentioning

confidence: 99%

Parelaphostrongylus Odocoilei (Nematoda: Protostrongylidae) and a Protostrongylid Nematode in Woodland Caribou (Rangifer Tarandus Caribou) of Alberta, Canada

Gray

Samuel

1986

Journal of Wildlife Diseases

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Two size-groups of dorsal-spined, first-stage, nematode larvae were found in feces of woodland caribou, Rangifer tarandus caribou (Gmelin), in Alberta from [1976][1977][1978][1979][1980][1981][1982]. Larvae from caribou feces in northeastern Alberta were 451 ? 17 pm in length, while those from westcentral Alberta were 362 f 18 pm in length. Larvae collected from west-central Alberta developed to the infective stage, experimentally, in the terrestrial gastropod Triodopsis multilineata (Say) and were infective to captive mule deer fawns, Odocoileus h. hemfonus (Rafinesque). Adult nematodes, identified as Parelaphostrongylus odocoilei (Hobmaier and Hobmaier, 1934), were recovered from the skeletal muscles of the mule deer.

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“…1) lining the bottom and top of petri dishes (9.5 cm diameter, 1 .5 cm deep) (see Gray and Samuel ( 1985) for methods). Larvae were pooled from deer fecal pellet groups collected throughout eastern Saskatchewan.…”

Section: Exposure Of Snailsmentioning

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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Rearing of eight species of terrestrial gastropods (order Stylommatophora) under laboratory conditions

Cited by 8 publications

References 10 publications

Selection of Terrestrial Gastropod Prey by Cychrine and Pterostichine Ground Beetles (Coleoptera: Carabidae)

Selection of Terrestrial Gastropod Prey by Cychrine and Pterostichine Ground Beetles (Coleoptera: Carabidae)

Parelaphostrongylus Odocoilei (Nematoda: Protostrongylidae) and a Protostrongylid Nematode in Woodland Caribou (Rangifer Tarandus Caribou) of Alberta, Canada

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

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