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Effect of various temperatures on development of the lucerne jassid Austroasca alfalfae (Evans) (Homoptera: Cicadellidae) with reference to population levels in lucerne

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Waite, G.K. (1976) Effect of various temperatures on development of the lucerne jassid Austroasca alfalfae (Evans) (Homoptera: Cicadellidae) with reference to population levels in lucerne. Queensland Journal of Agricultural and Animal Sciences, 33 (1). pp. 39-42.

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Abstract

The development of eggs and nymphs of Austroasca alfalfae was studied in the laboratory at various temperatures ranging from 15°C to 30°C. The maximum rate of development occurred at 300 C with mean periods of 3 days for eggs and 8 · 5 days for nymphs.
Development at 24°C and 27°C was slightly slower than at 30°C while at 15°C, 18°C and21°C development was prolonged. Survival of nymphs at 15°C was low. Seasonal variations
in the number of Austroasca alfalfae occurring in the field are discussed on the basis of these results.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Subjects:Plant culture > Field crops > Forage crops. Feed crops
Plant pests and diseases
Live Archive:21 Feb 2024 00:30
Last Modified:21 Feb 2024 00:30

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