Transcription of CHAPTER 6 Houseflies - who.int
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CHAPTER 6 Houseflies - who.int
302 CHAPTER 6 HOUSEFLIES. CHAPTER 6. House ies Carriers of diarrhoeal diseases and skin and eye infections The common house y, Musca domestica, lives in close association with people all over the world (Fig. ). The insects feed on human foodstuffs and wastes where they can pick up and transport various disease agents. In addition to the house y, a number of other y species have adapted to life in human settlements, where they present similar problems. In warmer climates, the lth y, M. sorbens is of particu- lar interest in this regard. It is closely related to the house y and considered important in the spread of eye infections. Blow ies (Calliphoridae) and other ies have been associated with the transmission of enteric infections. Biology Life cycle There are four distinct stages in the life of a y: egg, larva or maggot, pupa and adult (Fig. ). Depending on the temperature, it takes from 6 to 42 days for the egg to develop into the adult y.
302 CHAPTER 6 • HOUSEFLIES CHAPTER 6 Houseflies Carriers of diarrhoeal diseases and skin and eye infections The common housefly, Musca domestica, lives in close association with people all over the world (Fig. 6.1).
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