Morphology
The defining characteristic of Lucilia sericata, and most used when identifying the adult fly is the presence of three bristles on the dorsal mesothorax. This body region is located on the middle of the back of the fly. L. sericata is almost identical to its sister species, Lucilia cuprina. Identification between these requires microscopic examination of two main distinguishing characteristics. As opposed to L. cuprina which has a metallic green femoral joint in the first pair of legs, L. sericata is blue-black. Also, when looking at the occipital setae, L. sericata has 6–8 bristles on each side while L. cuprina have only one.
Read more about this topic: Common Green Bottle Fly
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