The Canadian Entomologist

VOLUME 131, SEPTEMBER/OCTOBER 1999, NUMBER 5


BIODIVERSITY, SYSTEMATICS, MORPHOLOGY, AND EVOLUTION

SANMARTÍN I, MARTTÍN-PIERA F - A morphometric approach to the taxonomy of the genus Ceramida (Coleoptera: Scarabaeoidea: Melolonthidae) … 573

LANGOR DW, SITU Y-X, ZHANG R - Two new species of Pissodes (Coleoptera: Curculionidae) from China … 593

PECK S - New species and records of "small carrion beetles" (Coleoptera: Leiodidae: Cholezinae) from caves and forests of Cuba and Hispaniola … 605

THERRIEN F, CHAGNON M, HÉBERT C - Biodiversity of Collembola in sugar maple (Aceraceae) forests … 613

TEULON DAJ, CAMERON EA, NAKAHARA S - Thrips (Thysanoptera) diversity in a sugar maple (Aceraceae) plantation NOTE629

BEHAVIOUR AND ECOLOGY

PRENZEL BG, LAIDLAW WG, WIESER H - Within tree dynamics of mass attack by Dendroctonus pseudotsugae (Coleoptera: Scolytidae) on its host … 635

BANKS JE - Differential response of two agroecosystem predators, Pterostichus melanarius (Coleoptera: Carabidae) and Coccinella septempunctata (Coleoptera: Coccinellidae), to habitat-composition and fragmentation-scale manipulations ... 645

CARROLL AL - Physiological adaptation to temporal variation in conifer foliage by a caterpillar … 659

SAFRANYIK L, SHORE TL, LINTON DA - Attack by bark beetles (Coleoptera: Scolytidae) following spacing of mature lodgepole (Pinaceae) stands … 671

MOREWOOD P, GRIES G, HÄUBLER D, MÖLLER K, LISKA J, KAPITOLA P, BOGENSCHÜTZ H - Towards pheromone-based detection of Lymantria monacha (Lepidoptera: Lymantriidae) in North America … 687

LIN H, WINSTON ML, HAUNERLAND NH, SLESSOR KN - Influence of age and population size on ovarian development and trophallaxis on ovarian devcelopment and vitellogenin titres of queenless worker honey bee (Hymenoptera: Apidae) … 695



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