Distribution and relative importance of cereal stem borers and their natural enemies in the semi-arid and cool-wet ecozones of the Amhara State of Ethiopia

Publication Type

Journal Article

Journal Name

Environmental Entomology

Publication Date

1-1-1992

Abstract

Soil samples were taken during dry and wet months from natural breeding habitats of phlebotomine sandflies in Marigat, Kenya. In burrows, no correlation was observed between sand flies of the genera Phlebotomus and Sergentomyia and soil chemical and physical factors, whereas in termite mounds, Sergentomyia species were negatively correlated with pH and phosphorus. In tree bases, contrasting highly negative and positive coefficients were observed between Ca, Mn, moisture, clay and Phlebotomus species. Sergentomyia species were positively correlated with organic C, P and sand during the wet season; they were negatively correlated with pH and positively correlated with Mg during the dry season. Abundance of sand flies thus depends to some extent on chemical and physical factors of their breeding places in the soil. -from Authors

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