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Experimental parasitization of larvae of the gypsy moth, Porthetria dispar (L.), with the entomogenous fungus, Beauveria bassiana (Balsamo) Vuill1

Published online by Cambridge University Press:  06 April 2009

S. S. Wasti  and
G. C. Hartmann
S. S. Wasti
Affiliation:
Department of Biology, Rhode Island College, Providence, R.I. 02908, U.S.A.
G. C. Hartmann
Affiliation:
Department of Biology, Rhode Island College, Providence, R.I. 02908, U.S.A.
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Extract

Second-instar larvae of the gypsy moth, Porthetria dispar (L.) were infected with Beauveria bassiana (Balsamo) Vuill. by allowing larvae to crawl over sporulating cultures of the fungus. Virulence of the pathogen was increased by inoculating larvae of the wax moth, Galleria melonella (L.), twice in serial succession. Observations were made on the infectivity and histopathology of the parasite in the host. Penetration of the cuticle occurred 24 h after inoculation and at 64 h post-inoculation the interior was completely filled with hyphae. Penetration of the gut wall was also observed.

Type
Research Article
Information
Parasitology , Volume 70 , Issue 3 , June 1975 , pp. 341 - 346
Copyright
Copyright © Cambridge University Press 1975

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