Hostname: page-component-cb9f654ff-65tv2 Total loading time: 0 Render date: 2025-07-31T23:23:01.547Z Has data issue: false hasContentIssue false
  • English
  • Français

Action of amorphous silica dusts on the German cockroach Blattella germanica (Linneaus) (Orthoptera: Blattidae)

Published online by Cambridge University Press:  10 July 2009

G. N. J. Le Patourel  and
J. J. Zhou
G. N. J. Le Patourel*
Affiliation:
Department of Pure and Applied Biology, Imperial College of Science, Technology and Medicine, Silwood Park, Ascot, UK
J. J. Zhou
Affiliation:
Department of Pure and Applied Biology, Imperial College of Science, Technology and Medicine, Silwood Park, Ascot, UK
*
Dr G. N. J. Le Patourel, Department of Pure and Applied Biology, Imperial College of Science, Technology and Medicine, Silwood Park, Ascot, Berkshire SL5 7PY, UK
Get access Rights & Permissions [Opens in a new window]

Abstract

Adult male German cockroaches were exposed to deposits of amorphous precipitated and pyrogenic silicas in continuous and discontinuous contact bioassays. LC50S of precipitated silicas in the former case generally increased with oil adsorption capacity of the dusts; variability in response in discontinuous contact bioassays was apparently due to grooming of appendages following pick-up of dust aggregates. The toxicity of silica deposits in half-treated choice boxes varied with relative humidity and was effectively eliminated at 95% r.h. or when free water was provided. Cockroaches accumulated in the untreated side of the box irrespective of r.h.; the mechanism of this effect is discussed.

Information

Type
Research Article
Information
Bulletin of Entomological Research , Volume 80 , Issue 1 , March 1990 , pp. 11 - 17
Copyright
Copyright © Cambridge University Press 1990

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable

References

Anon. (1987) Guidance Note EH 40/87, “Occupational Exposure Limits 1987”. Health and Safety Executive, London.Google Scholar
Eastin, J.L. & Burden, G.S. (1960) Tests with five silica dusts against German cockroaches. Florida Entomologist 43, 99–102.CrossRefGoogle Scholar
Ebeling, W. (1971) Sorptive dusts for pest control. Annual Review of Entomology 16, 123–158.CrossRefGoogle ScholarPubMed
Ebeling, W, Wagner, R.E. & Reierson, D.A. (1966) Influence of repellency on the efficacy of blatticides. I. Learned modification of behaviour of the German cockroach. Journal of Economic Entomology 59, 1374–1388.CrossRefGoogle ScholarPubMed
Ebeling, W, Reierson, D.A. & Wagner, R.E. (1967) Influence of repellency on the efficacy of blatticides. II. Laboratory experiments with German cockroaches. Journal of Economic Entomology 60, 1375–1390.CrossRefGoogle ScholarPubMed
Ebeling, W. & Reierson, D.A. (1969) Insect proofing during building construction. California Agriculture 23, 4–7.Google Scholar
Ebeling, W., Reierson, D.A., Pence, R.J. & Viray, M.S. (1975) Silica aerogel and boric acid against cockroaches: external and internal action. Pesticide Biochemistry and Physiology 5, 81–89.CrossRefGoogle Scholar
Le Patourel, G.N.J. & Singh, J. (1984) Toxicity of amorphous silicas and silica pyrethroid mixtures to Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). Journal of Stored Product Research 20, 183–190.CrossRefGoogle Scholar
Le Patourel, G.N.J., Shawir, M. & Moustafa, F.I. (1989) Accumulation of dusts from wheat by sitophilus oryzae (L.) (Coleoptera: Curculionidae). Journal of Stored Product Research 25, 65–72.CrossRefGoogle Scholar
Lewis, C.T. & Hughes, J.C. (1957) Studies concerning the uptake of contact insecticides. II. The contamination of flies exposed to particulate deposits. Bulletin of Entomological Research 48, 755–768.CrossRefGoogle Scholar
Tarshis, B. (1959) UCLA tests with desiccant dusts for roach control. Pest Control 14, 16–18, 20, 22, 24, 26–28.Google Scholar
WHO (1974) FAO/WHO joint expert committee on food additives. 17th Meeting. World Health Organisation Technical Report Series No. 539, 16, 35. WHO, Geneva.Google Scholar