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Blow Flies UPSC NOTE


  • The Calliphoridae are a family of insects in the order Diptera, with almost 1,900 known species

  • The maggot larvae, often used as fishing bait, are known as gentles.

  • Blow flies, also known as Calliphoridae flies, are the first insects to colonize dead bodies

  • They're crucial for determining post-mortem interval (PMI), the time since death.

  • Blow fly development varies due to seasonal changes, influenced by factors like humidity, temperature, rainfall, and genetics.

  • A study by Professor Reject Paul M.P. recorded 17 blow fly species in central Kerala, focusing on four key species: Chrysomya megacephala, Chrysomya rufifacies, Chrysomya chani, and Hemipyrellia ligurriens.

  • The study investigated how temperature and humidity affect blow fly life cycles. 

  • It found that the pre-oviposition period was longer in winter for all species. 

  • Larval stages were longer and heavier in monsoon for C. megacephala and C. rufifacies.

  • The study developed a regression equation method that's effective for estimating PMI using blow fly life history.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Blow Flies UPSC NOTE
Blow Flies UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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