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A new procedure and counting instrument for acaricide tests

Published online by Cambridge University Press:  10 July 2009

W. Bonin  and
W. Hilgner
W. Bonin
Affiliation:
Farbwerke Hoechst AG, vormals Meister Lucius & Brüning, 623 Frankfurt (M) 80, W. Germany
W. Hilgner
Affiliation:
Farbwerke Hoechst AG, vormals Meister Lucius & Brüning, 623 Frankfurt (M) 80, W. Germany
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Abstract

After exposure for 24 h in polypropylene envelopes impregnated with the test substance, larvae of Boophilus microplus (Can.) are placed on a hot-plate (40°C) under light to stimulate movement among the survivors. The larvae are drawn one at a time into a suction bottle through a metal capillary into which is built a photo-electric cell that is actuated by each larva as it passes through. The electric impulses are transmitted to a counting device and recorded.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 63 , Issue 3 , March 1974 , pp. 423 - 424
Copyright
Copyright © Cambridge University Press 1974

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References

Fiedler, O. G. H. (1968). A new biological method for evaluating the efficacy of acaricides against ticks.—Jl S. Afr. vet. med. Ass. 39, 84–87.Google Scholar
Shaw, R. D. (1966). Culture of an organophosphorus-resistant strain of Boophilus microplus (Can.) and an assessment of its resistance spectrum.—Bull. ent. Res. 56, 389–405.CrossRefGoogle Scholar
Stone, B. F. & Haydock, K. P. (1962). A method for measuring the acaricide-susceptibility of the cattle tick Boophilus microplus (Can.).—Bull. ent. Res. 53, 563–578.CrossRefGoogle Scholar