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A zygosporic stage of the Harpellales (Trichomycetes, Zygomycota) associated with simuliid egg masses

Published online by Cambridge University Press:  24 March 2005

Alan M. RIZZO  and
Ka-Lai PANG
Alan M. RIZZO
Affiliation:
School of Biological Sciences, University of Portsmouth, King Henry Building, King Henry I Street, Portsmouth PO1 2DY, UK. E-mail: cityupang@yahoo.com
Ka-Lai PANG
Affiliation:
School of Biological Sciences, University of Portsmouth, King Henry Building, King Henry I Street, Portsmouth PO1 2DY, UK. E-mail: cityupang@yahoo.com Present address: Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong S.A.R., P.R. China.
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Abstract

The presence of an ovarian stage in the life-cycle of the Harpellales observed during an ecological study of the Trichomycetes associated with simuliid egg masses in the UK is reported. The ovarian stage was observed to develop zygospores that are morphologically similar to those produced by the midgut species Harpella melusinae in the host larva. Morphological characteristics and the possible developmental stages of this propagule are described using scanning electron microscopy. The discovery of this stage suggests that chlamydospores may play an important role in the life-cycle of the Trichomycetes.

Type
Research Article
Information
Mycological Research , Volume 109 , Issue 3 , March 2005 , pp. 266 - 270
Copyright
© The British Mycological Society 2005

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Footnotes

The first author is indebted to the late Steve Moss (University of Portsmouth) for introducing him to trichomycete biology, and without whom this work would not be possible. We dedicate this paper to his memory.