The Canadian Entomologist

VOLUME 133, JANUARY/FEBRUARY 2001, NUMBER 1

Biodiversity, systematics, morphology, and evolution

Klimaszewski J, Pelletier G, Germain C, Hébert C, Humble LM, Winchester NN - Diversity of Placusa (Coleoptera: Staphylinidae, Aleocharinae) in Canada, with descriptions of two new species . . . 1
Gibson GAP, Floate K - Species of Trichomalopsis (Hymenoptera: Pteromalidae) associated with filth flies (Diptera: Muscidae) in North America . . . 49
Castro D del C, Cicchino A - New species of the genus Phtheiropoios (Phthiraptera: Gyropidae), parasitic on Ctenomys (Rodentia: Octodontidae) . . . 87

Physiology, biochemistry, development, and genetics

Pree DJ, Whitty KJ, Pogoda MK, Bittner LA - Occurrence of resistance to insecticides in populations of the obliquebanded leafroller from orchards . . . 93
Mulock BS, Chandler LD - Beauveria bassiana transmission in western corn rootworm (Coleoptera: Chrysomelidae) . . . NOTE … 105

Behaviour and ecology

Horton DR, Lewis TM, Hinojosa T - Copulation duration and probability of insemination in Anthocoris whitei (Hemiptera: Anthocoridae) as a function of male body size . . . 109
Broberg CL, Borden JH, Humble LM - Host range, attack dynamics, and impact of Cryptorhynchus lapathi (Coleoptera: Curculionidae) on Salix (Salicaceae) spp. . . . 119
Amezaga I, Garbisu C - Effect of maturation feeding period on survival of Tomicus piniperda (Coleoptera: Scolytidae) . . . 131
Vakenti JM, Cossentine JE, Cooper BE, Sharkey MJ, Yoshimoto CM, Jensen LBM - Host-plant range and parasitoids of obliquebanded and three-lined leafrollers (Lepidoptera: Torticidae) . . . 139
Vincent C, Rancourt B, Sarazin M, Kuhlmann U - Releases and first recovery of Lathrolestes ensator (Hymenoptera: Ichneumonidae) in North America, a parasitoid of Hoplocampa testudinea (Hymenoptera: Tenthredinidae) . . . NOTE … 147
Berthlaume R, Hébert C, Cloutier C - Podabrus rugosulus (Coleoptera: Cantharidae), an opportunist predator of Mindarus abietinus (Hemiptera: Aphididae) in Christmas tree plantations . . . NOTE … 151

Instructions to Authors . . . i
Directives aux auteurs . . . vi


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