Entomopathogenic fungal infection (Deuteromycotina: Hyphomycetes) affects water relations of the german cockroach,Blattella germanica (L.) (Dictyoptera: Blattellidae) |
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| Institution: | 1. Department of Food Preservation, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague 6, Czech Republic;2. Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha-Suchdol, Czech Republic;3. Department of Carbohydrates and Cereals, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague 6, Czech Republic;4. Department of Zoology and Fisheries, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha-Suchdol, Czech Republic |
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| Abstract: | - 1.1. The total body water, lipid content, and cuticular permeability of fungus infected and uninfected German cockroaches, Blattella germanica, were examined.
- 2.2. Infected adult cockroaches weighed less and had significantly more body water than did uninfected specimens of the same size.
- 3.3. Uninfected medium-size nymphs weighed significantly more than infected nymphs, but there was no difference in body size between infected and uninfected small nymphs.
- 4.4. Cuticular permeability and lipid content of infected and uninfected cockroaches was not significantly different.
- 5.5. Sequestering of water by the fungal cells is discussed as a possible factor in the pathology of this fungal parasite.
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