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The Pick-up of Spray Droplets by flying Locusts

Published online by Cambridge University Press:  10 July 2009

N. W. Wootten  and
K. F. Sawyer
N. W. Wootten
Affiliation:
Anti-Locust Research Centre,
K. F. Sawyer
Affiliation:
Ministry of Supply.
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Extract

Measurements of the Horizontal Equivalent Area (HEA) of flying locusts and the toxic efficiency of Mk. IV DNC solution, as a function of spray droplet size, have been made using Schistocerca gregaria (Forsk.) flying “ naturally ” in a wind tunnel. The experimental conditions, including visual stimuli, for “ natural ” flight were determined by means of a flight balance. The observed values of locust airspeed varied from 2·5 to 6·5 metres per second with a mean value of about 3·2 metres per second.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 45 , Issue 1 , March 1954 , pp. 177 - 197
Copyright
Copyright © Cambridge University Press 1954

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References

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