Life cycle of a fly on a dead carcass
Flies are the most common species of the insects. They are tiny in size and are mostly found around the feces, rotting meat or sugary substances. Flies possess a very strong sense of smell, they can smell the odor of dead carcass from seven km away, but as it will take a long time for them to reach there, they prefer to go for the nearest bodies. The species of flies include several different kinds; such as house flies, blow flies, and flesh flies, etc. Among these kinds of flies, blow flies and flesh flies are most attracted to the dead carcass.
Blow flies:
The name of blow flies is derived from the old English term “blow”, meaning the type of meat with eggs found on it.
Flesh flies:
The flesh flies are slightly different from other kinds of flies as they hatch maggots instead of laying eggs, but they are common to blow flies as they are also attracted to the meat and wounds, etc.
Life cycles of blow and flesh fly:
Blow and flesh flies begin and continue their life cycle on the dead carcass of organisms, they possess several stages;
The odor of dead carcass:
Flesh and blow flies can sense the odor of the dead carcass within seconds of them being dead. As soon as they smell the dead carcass they got attracted to that dead body and stuck onto it.
Laying eggs and Hatching Maggots:
Once they are stuck to the dead carcass, blow flies lay eggs on them from where their reproductive cycle beings. Flesh flies also start their life cycle by hatching maggots on the recently dead carcass.
Larvae:
After laying eggs, the larvae of these flies feed themselves on the dead carcass for around 5-10 days. They suck the organic substance from the dead bodies that cause the decomposition of these dead bodies.
Maggots:
Maggots feed for about 5-7 days on the dead carcass and then got developed in the adult flies.
Pupa:
After getting fed on a dead carcass, blow flies leave them and wander in search of a dry place where they undergo the pupate stage of their lives.
Adult flies:
In some time of leaving the dead carcass, they turn into adult flies.
Flies and Forensic investigation:
The life cycle process of flies helps in the forensic investigation as they could help to note the time of the death with the help of the fact that flesh flies are attracted on the freshly dead bodies mostly, their laid eggs or hatched maggots can also help to figure out different aspects of forensic investigation.
How to get rid of flies?
Flies can be so annoying in times, and they are too fast to start their life cycles which could be a big problem in times. To get rid of flies and stop their reproductive cycle, the dead carcasses should be kept sanitized with special kinds of chemicals and several sprays to avoid them can be used too.
Dead carcasses are the main source of the beginning of the lifecycles of the flies. From laying eggs on them to feeding from them, flies get their lives from these carcasses.
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