Tuesday, April 27, 2010

Today's Macro Photograph. Lesser house fly

  This is a female small housefly (Fannia canicularis), this fly is about four to six millimeters in length. The white-bordered eyes meet at the top of the head in the males, but not in the females. Female flies lay their eggs in batches of up to 50 and may lay up to 2,000 eggs during their lifespan. The eggs have the ability to float in liquid and semi-liquid decaying organic matter and will hatch after only 2 days. The larvae take about 6 or more days to reach pupation, which lasts about 7 days. They usually take approx. 2–4 weeks to develop into adults and have a life expectancy from two to three weeks. This species is considered a possible disease carrier because they are often found on excrement.

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