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This blow fly is bright iridescent green though like all the 'greenbottles' is becomes more bronze with age. It is very similar to other Lucilia species but has just two pairs of acrostichal bristles behind the suture line on the thorax and a dark basicosta. Males can be distinguished by the large genital capsule.
There are seven very similar Lucilia species that can be found in our region. They can only be separated by close examination of features such as bristles. L. caesar can be distinguished from the more common L. sericata which has three pairs of post suture acrostichal bristles and a pale basicosta but there are other Lucilia species with these features.
Unlike its cousin the bluebottle, this species rarely comes into houses and is usually seen on flowers and vegetation, or sunning in a sheltered spot.
April to October peaking in June.
The female lays her eggs on carcasses, seeking the soft parts that are shaded from the sun. Larvae live in carrion and also in wounds on living animals, eating away the flesh with alarming rapidity, and so can be a problem in sheep-rearing areas.
Very common and widespread in Britain.
Very common in Leicestershire and Rutland
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