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Rainfall as a cause of mortality in a dungâbreeding fly
- Hughes, R. D.
- Australian journal of entomology 1980 v.18 no.4 pp. 323-327
- cattle manure, eggs, feces, larval development, mortality, pupae, rain, rainfall simulation, summer, Australia
- The paper discusses the ways that rain falling on cattle dung pads may reduce the survival of the preâadult stages of bushfly (Afusca vetustissima Walker) developing therein. An experiment exposing infested dung pads to simulated rainfall is described. In this the egg stage of bushfly and the final period of its larval development (up to the development of the pupa within the puparium), were shown to be relatively more sensitive to rainfall than the rest of the preâadult stages. The mortalities seen were considerable, and if they reflect general phenomena, may account for the seasonal absence of bushfly from summer rainfall regions of Australia.