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Housefly

Musca domestica

Description:

The housefly (also house fly, house-fly or common housefly), Musca domestica, is a fly of the suborder Cyclorrhapha. It is believed to have evolved in the Cenozoic era, possibly in the Middle East, and has spread all over the world. It is the most common fly species found in habitations. Adult insects are grey to black with four dark longitudinal lines on the thorax, slightly hairy bodies and a single pair of membranous wings. They have red eyes, and the slightly larger female has these set further apart than the male. The female housefly usually only mates once and stores the sperm for later use. She lays batches of about 100 eggs on decaying organic matter such as garbage, carrion or feces. These soon hatch into legless white maggots which after 2 to 5 weeks of development transform into reddish-brown pupae, about 8 mm (0.3 in) long. Adult flies normally live for 2 to 4 weeks but can hibernate during the winter. The adults feed on a variety of liquid or semi-liquid substances beside solid materials which have been softened by saliva. They carry pathogens on their bodies and in their feces and can contaminate foodstuffs and contribute to the transfer of food-borne illnesses. For these reasons they are considered pests, but have been used in the laboratory in research into ageing and sex determination.

Notes:

As a transmitter of disease[edit] Mechanical transmission of organisms on its hairs, mouthparts, vomitus and feces: parasitic diseases: cysts of protozoa e.g. Entamoeba histolytica, Giardia lamblia and eggs of helminths, e.g., Ascaris lumbricoides, Trichuris trichiura, Hymenolepis nana, Enterobius vermicularis. bacterial diseases: typhoid, cholera, dysentery, pyogenic cocci, etc. House flies have been demonstrated to be vectors of Campylobacter and E. coli O157:H7 using PCR.[15] House flies can be monitored for bacterial pathogens using filter paper spot cards and PCR Viruses: enteroviruses: poliomyelitis, viral hepatitis (A & E)..etc.


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Valenzuela, Philippines

Lat: 14.71, Long: 120.95

Spotted on Jun 15, 2016
Submitted on Jun 15, 2016

Reference

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