Theses

Selective predation in a polyphagous invertebrate predator, Pardosa vancouveri (Arachnida, Araneae)

Holmberg, Robert G. (Simon Fraser University, 1979)

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 ...
The odoriferous glands of some Palpatores Phalangida (Opiliones) (Arachnida)

Holmberg, Robert G. (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; ...