The Canadian Entomologist
VOLUME 130, SEPTEMBER/OCTOBER 1998, NUMBER 5
CONTENTS
LACTIN, D.J., and D.L. JOHNSON - Environmental, physical, and behavioural determinants of body temperature in grasshopper nymphs (Orthoptera: Acrididae) ...551-577
DIGWEED, S.C. - Seasonal activity of the birch skeletonizer, Bucculatrix canadensisella Chambers (Lepidoptera: Lyonetiidae), in Alberta ...579-582
LUCAROTTI, C.J., T.L. LECLERC, and R.E. CLOPTON - Incidence of Leidyana canadensis (Apicomplexa: Eugregarinida) in Lambdina fiscellaria fiscellaria larvae (Lepidoptera: Geometridae) ...583-594
PLOWRIGHT, C.M.S., and R.C. PLOWRIGHT - Floral use by two sympatric bumble bee species (Bombus terricola and Bombus ternarius): efficiency considerations ...595-601
RHAINDS, M., G. GRIES, and A. SALEH - Density and pupation site of apterous female bagworms, Metisa plana (Lepidoptera: Psychidae), influence the distribution of emergent larvae ...603-613
ALARIE, Y., H. JOLY, and D. DENNIE - Cuticular hydrocarbon analysis of the aquatic beetle Agabus anthracinus Mannerheim (Coleoptera: Dytiscidae) ...615-629
COOK, J. - A revision of the neotropical genus Bdelyrus Harold (Coleoptera: Scarabaeidae) ...631-689
LOUADI, K., et S.DOUMANDJI - Diversité et activité de butinage des abeilles
(Hymenoptera: Apoidea) dans une pelouse à thérophytes de Constantine (Algérie) ...691-702
ROLAND, J., B.G. MACKEY, and B. COOKE - Effects of climate and forest structure on duration of forest tent caterpillar outbreaks across central Ontario, Canada ...703-714
BAIN, A., and L. LESAGE - A late seventeenth century occurrence of Phyllotreta striolata (Coleoptera: Chrysomelidae) in North America ...715-719
SHIPP, J.L., K. WANG, and G. FERGUSON - Evaluation of commercially produced Trichogramma spp. (Hymenoptera: Trichogramatidae) for control of tomato pinworm, Keiferia lycopersicella (Lepidoptera: Gelechiidae), on greenhouse tomatoes ...721-731
SCIENTIFIC NOTE
GODIN, C., and G. BOIVIN - Occurrence of Cotesia rubecula (Hymenoptera:
Braconidae) in Quebec, 30 years after its introduction in North America ...733-734
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