Blodiversity, systematics, morphology, and evolution
Jacobus LM, McCafferty WP - Analysis of some historically unfamiliar Canadian mayflies (Ephemeroptera) … 141
Troubridge JT, Lafontaine JD - Revision of species of the "Oligia" semicana group (Lepidoptera: Noctuidae) with descriptions of a new genus and 12 new species . . . 157
Behaviour and ecology
Wise IL, Lamb RJ, Smith MAH - Susceptibility of hulled and hulless barley (Gramineae) to Sitodiplosis mosellana (Diptera: Cecidomyiidae) … 193
Dixon PL, West RJ, McRae KB, Spatter D - Suitability of felt traps to monitor oviposition by cabbage maggot (Diptera: Anthomyiidae) … 205
Poff AC, Haynes KJ, Szymanski M, Back D, Williams MA, Cronin JT - Bird predation and host-plant shift by goldenrod stem galler …215
Bolteau G - Flight takeoff behavior of Colorado potato beetle … 229
Katayama N, Suzuki N - Cost and benefit of ant attendance for Aphis craccivora (Hemiptera: Aphididae) with reference to aphid colony size … 241
Sasaerila Y, Gries G, Gries R, Hardi - Sexual communication by Tirathaba mundella (Lepidoptrra: Pyralidae) … NOTE … 251
Insect management
Hanula JL, DeBarr GL, Weatherby JC, Barber LR, Berisford WC - Degree-day model for timing insecticide applications to control Dioryctria amatella (Lepidoptera: Pyralidae) in loblolly pine seed orchards … 255
Techniques
Weseloh RM, Andreadis TG - Detecting the titer in forest soils of spores of the gypsy moth (Lepidoptera: Lymantriidae) fungal pathogen, Entomophaga maimaiga (Zygomycetes: Entomophthorales) … 269
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