Now showing items 1-7 of 7
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 ...
A blind Homolophus biceps (Arachnida, Opiliones)
(Entomological News, 1983)
Scanning electron microscopy of a harvestman, Homolophus biceps. that lacked both eyes and ocular tubercle revealed no indication of external damage or healing. Internally, light microscope sections showed no evidence ...
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 ...
Overwintering aggregations of Leiobunum paessleri in caves and mines (Arachnida, Opiliones).
(Journal of Arachnology, 1984)
In the forested mountain areas of southwestern Canada, Leiobunull1 paessleri (Roewer) form overwintering aggregations in the twilight regions of moist caves and mines. Each aggregation consists of adults of both sexes ...
The scent glands of Opiliones: a review of their function.
(Smithsonian Institution Press, 1986)
Opilionids are unique among the arachnids in that they possess a pair of glands that open dorsally near the lateral edge of the prosoma. These glands are variously called scent, odoriferous, repugnatory, or stink glands ...
Chromosomes of Leiobunum japonicum japonicum and Leiobunum paessleri (Arachnida, Opiliones).
(Journal of Arachnology, 1986)