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Phaenicia sericata
The common green bottle fly (biological name Phaenicia sericata or Lucilia sericata) is a blow-fly found in most areas of the world, and the most well-known of the numerous green bottle fly species. It is 10–14 mm long, slightly larger than a housefly, and has brilliant, metallic, blue-green or golden coloration with black markings. These flies are known to lay eggs in cadaver tissue in the wild within hours after death. The developmental stage of their larvae in the cadaver can be used to accurately predict the time death occurred.
Seen at the InBio Park in Santo Domingo, Heredia, Costa Rica. Lucilia sericata is common all over the temperate and tropical regions of the planet, mainly the southern hemisphere.