cluster fly


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Related to cluster fly: House fly

cluster fly

n
(Animals) a dipterous fly, Pollenia rudis, that tends to gather in large numbers in attics in the autumn: family Calliphoridae. The larvae are parasitic in earthworms
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I already have a cluster fly problem that I have been unable to solve.
Another frequently encountered guest is the cluster fly, although, as the name suggests, you rarely come across just one.
The location may be ideal for the guests at a hotel, for example," says Deutsch, "but it can be a real headache when it comes to dealing with cluster fly infestations.