ENTOMOLOGY 135

INTRODUCTION TO BIOLOGICAL CONTROL

Biology of Fungal Pathogens

I. Mastigomycotina - Class: Oomycetes

1. Genus: Lagenidium
2. Portal of entry
3. Life cycle
4. Signs and symptoms
5. Host range

II. Zygomycotina -Class: Zygomycetes

1. Genera: Entomophthora, Entomophaga, Erynia, Neozygites, Conidiobolus
2. Portal of entry - conidia; secondary conidia, resting spores
3. Life cycle
4. Signs and symptoms
5. Host range

III. Ascomycotina

1. Genera: Cordyceps and Laboulbeniales
2. Not well studied group in insect pathology

IV. Deuteromycotina (Fungi Imperfecti)

1. Many genera pathogenic to insects
2. Beauveria, Culicinomyces, Metarhizium, Nomuraea, Hirsutella, Verticillium
3. Mode of infection
4. Signs and symptoms
5. Host range

Selected References

• Burges, H. D. (ed). 1981. Microbial control of pests and plant diseases 1970 - 1980. Academic Press, New York. Chapters 6, 8, 23-29.
• McCoy, C. W. 1990. Entomogenous fungi as microbial pesticides. In: New Directions in Biological Control. R. R. Baker and P. E. Dunn, eds. pages 139-159. Alan R. Liss, New York.
• Samson, R. A., Evans, H. C., and Latge, J. -P. 1988. Atlas of Entomopathogenic Fungi. Springer-Verlag, Berlin. 187 pp.

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