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LIFE CYCLE OF A BLOWFLY
1
Transcript
Habitat and predators
second instar
Habitat : Blowflies tend to hang where they have food which is around a rotting carcass, around animal feces, or near human habitats.
Predators : Beatles and spiders
First instar
Adult fly
- Moves around in maggot mass
- 5 mm in size
- Has 2 spiracles
- Uses mouth hooks to scape decaying flesh from body
- First moult to second moult takes 1 day
- Mates on emergence from pupa
- Feeds on protein from body fluids
- Lays eggs on corpse
- Emergence to egg laying takes 2 days
- Feeds on fluid exuded from the body
- Migrates into the body
- 2 mm in size
- Has one spiracle
- Hatching to first moult takes 1 day
Pre-Pupa & Pupa
Pre-pupa :
Eggs
- Migrates away from the corpse seeking a pupation site (usually in soil)
- Does not eat
- transforms into pupa in four days
- 15 mm - 20 mm in size
- The female flies lay their eggs on the body in clumps of up to 300
- The process of laying the eggs and them hatching takes 1 day
Pupa :
- resides within puparium
- does not feed
- transforms from larvae to adult fly
- for pupa to emerge takes 10 days
Works cited
http://australianmuseum.net.au/decomposition-fly-life-cycles
https://www.nlm.nih.gov/visibleproofs/galleries/technologies/blowfly.html
http://ipm.ncsu.edu/ag369/notes/blow_flies.html
Third instar
- Still moves in mass
- Greatly increases in size (10 mm)
- Uses mouth hooks to feed
- Second moult to pre-pupa takes 2 days
LIFE CYCLE OF A BLOWFLY
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