Now showing items 51-60 of 191
The odoriferous glands of some Palpatores Phalangida (Opiliones) (Arachnida)
(The University of Saskatchewan, 1971)
The odoriferous glands of especially Phalangium opilio and to a lesser extent Opiliones parietinus, Odiellus pictus, Homolophus biceps, Leiobunum calcar and L.. vittatum were investigated by: external examination; dissection; ...
Selective predation in a euryphagous invertebrate predator, Pardosa vancouveri (Arachnida, Araneae)
(Canadian Entomologist, 1982)
Selective predation (i.e., non-random feeding) was studied in a laboratory system that allowed individual lycosid spiders, Pardosa vancouveri, to feed on prey populations consisting of one or two kinds of insects. Various ...
Laboratory work in distance education
(Distance Education, 1982)
A major concern in distance education is how to overcome the problems associated with laboratory components of courses. In this paper we review the general importance of laboratory work for students, summarise the ...
Prairie spiders of Alberta and Saskatchewan
(Arthropods of Canadian Grasslands, 2002)
In the prairie ecozone of Alberta and Saskatchewan, 356 species of spiders in 2 I families have been collected. The 10 families with the most species were Linyphiidae (30%), Gnaphosidae (13%), Salticidae (8%), Theridiidae ...
15th International Congress of Arachnology: A Canadian Perspective
(The Canadian Arachnologist, 2001-05)
Platybunus triangularis and Paroligolophus agrestis: two phalangids introduced to North America (Arachnida, Opiliones)
(Journal of Arachnology, 1975)
(Canadian Encyclopedia, 2006)
Relating feeding rates to sex and size in six species of grasshoppers (Orthoptera: Acrididae).
(Canadian Entomologist, 1984)
Nymphs and adults of both sexes of six species of grasshoppers. Camnula pellucida, Dissosleira carolina, Melanoplus infantilis. M. sanguinipes, M. packardii and M. bivillalus, were fed wheat seedlings to determine daily ...
Re-description of Togwoteeus biceps (Arachnida, Opiliones, Sclerosomatidae) with notes on its morphology, karyology and phenology.
(Journal of Arachnology, 1997)
The harvestman genus Togwoteeus Roewer 1952 is monotypic. Its only species, T. biceps (Thorell 1877), is known from throughout western Canada and USA and is newly recorded from California, Nebraska, Nevada, Oregon, South ...
Postmortem on a Distance Education Course: Successes and Failures
(American Journal of Distance Education, 1992)
Athabasca University (AU) is an open university committed to delivering courses via distance education technology. In 1973, AU started work on "World Ecology: The Scientific Context" as its first home study course. This ...