Life Cycle and Development
The life cycle and development of Phormia regina is similar to that of most other dipteran species, in which females oviposit their eggs into a nutrient substrate and after eclosion (i.e. hatching), the larvae continue feeding throughout three instar stages until they have stored up enough calories to commence pupation and finally emerge as adult blow flies. Each transition from first, second, and third instar is marked by a molt, and eventually the third-instar larvae develop sclerotized (hardened) casings which envelop and protect them throughout metamorphosis.
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