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Abstract
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Article Information:
Study on the Efficacy of Freezing Against Museum Pest Insect Demestes maculates
Bo Zhang
Corresponding Author: Bo Zhang
Submitted: January 29, 2012
Accepted: March 16, 2012
Published: April 05, 2012 |
Abstract:
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Museum taxidermies have traditionally relied on toxic chemicals for the prevention and treatment
of pest infestations. However, concern over the health and safety implications of the use of chemicals in the
museum environment, effectiveness, and potential adverse effects on museum specimens and associated
materials has promoted investigation into alternative control methods. One such method is the use of freezing.
The efficacy of freezing against museum pest insect Demestes maculates was evaluated. Results show that all
pests tested at the surface of tanned skin failed to survive beyond 6 h of exposure of the temperature -20ºC.
However, the insulating properties of both the tanned skin and the stuff straw affected insecticidal effect by
slowing the spread rate of cold air. Moreover, results also indicated that the rate of cooling played a key role
in the course of eradication with freezing. With the increasing of the time of temperature equilibrium, the time
from the point of equilibrium temperature to the point of obtaining 100% mortality increased significantly. It
was suggested that the adaptation of pest insect against freezing would be strengthened and the freezing time
would be prolonged if the temperature decreased slowly.
Key words: Equilibrium temperature, freezing, insecticidal effect, museum pest, taxidermy, ,
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Abstract
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Cite this Reference:
Bo Zhang, . Study on the Efficacy of Freezing Against Museum Pest Insect Demestes maculates. Current Research Journal of Biological Sciences, (3): 333-336.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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