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Genetic variation in male alary dimorphism in populations of pea aphid, Acyrthosiphon pisum

M. Smith ; P. Mackay | 1989

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Leaf Waxiness and the Performance of Lipaphis Erysimi (Kaltenbach) (Homoptera:aphididae) on Three Brassica Crops

R. Lamb ; M. Smith ; R. Bodnaryk | 1993

The amount of wax on leaf surfaces was determined for waxy and low-wax phenotypes of three Brassica crops: oilseed rape, kale, and collards. The effects of these phenotypes were assessed on the fecundity, settling time, and biomass increase of t[...]

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Seasonal morphometric variation in sexual and asexual, North American and Australian, populations of the aphid, Acyrthosiphon pisum

M. Smith ; P. Mackay ; R. Lamb | 1999

The lengths of the body and appendages of the aphid Acyrthosiphon pisum (Harris) (Homoptera: Aphididae) vary seasonally in sexual North American and asexual Australian populations. The first generation of spring aphids in North America and winte[...]

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Seasonal variation in the photoperiodic responses of a pea aphid population: evidence for long-distance movements between populations

M. Smith ; P. Mackay | 1989

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