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Blue bottle fly (Calliphora vicina)

Biology:

The blue bottle fly is 9-13 mm long. The thorax and abdomen are a shiny matte dark blue. The larval stages develop on foodstuffs containing protein such as meat, fish and cheese as well as on animal cadavers. Whereas house-flies only hum quietly in flight, blue bottle, marbled grey flesh and green bottle flies can be recognized by their loud buzzing.

Damage:

These flies lick foods that are rich in protein. Since they alight on both foodstuffs and cadavers, they are not only unappetizing but also transmit disease germs. Maggots growing in meat, cheese or fish quickly render these foods inedible.

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