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Eggs are laid loosely on
damp soil. Larvae hatch after approx. 1 week and parasitise
earthworms, moving through several instars before pupation, which
occurs in the soil. With the approach of cooler weather, the adult
flies seek shelter indoors, often in attics and lofts. Large
numbers of the flies may shelter together, and when artificially
warmed may cause problems for homeowners. |
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Where possible,
exclusion, proofing and harbourage denial is recommended.
Control of these species in breeding areas is impractical due to
the particular life cycle. See biology. Where appropriate,
space sprays, aerosol may be effective subject to local
regulations. Use of a nozzle vacuum cleaner is also recommended. |
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