About Screwworm Fly
A devastating parasitic fly whose larvae feed on living tissue of warm-blooded animals. It was eradicated from North America using the sterile insect technique.
Did You Know?
The sterile male release program that eradicated it from the US is considered one of the greatest triumphs in pest control history.
How to Identify Screwworm Fly
Screwworm Fly (Cochliomyia hominivorax) belongs to the order Diptera, family Calliphoridae. Adults typically measure 8-12 mm.
Screwworm Fly Habitat
Screwworm Fly is found in forests habitats, particularly across Central America, South America, Caribbean. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Screwworm Fly Diet and Feeding
Screwworm Fly is a blood-feeding species that obtains nutrients by feeding on the blood of mammals, birds, or other animals. Blood feeders have specialised mouthparts adapted for piercing skin.
Where Is Screwworm Fly Found?
Screwworm Fly can be found in Central America, South America, Caribbean, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Screwworm Fly can be found
Is Screwworm Fly Dangerous?
Screwworm Fly is a blood-feeding insect that bites humans and animals to obtain a blood meal. Bites can cause irritation, itching, and in some cases allergic reactions. Some blood-feeding insects are known to transmit diseases, so precautions should be taken to avoid bites.
Screwworm Fly Role in Nature
Screwworm Fly plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Screwworm Fly are a vital food source for birds, bats, and other wildlife, and contribute to the overall health and balance of their environment.
Seasonal Activity
Frequently Asked Questions About Screwworm Fly
What does Screwworm Fly look like?
The Screwworm Fly typically measures 8-12 mm.
Where is Screwworm Fly found?
The Screwworm Fly is found in Central America, South America, Caribbean and typically inhabits forests environments.
What does Screwworm Fly eat?
The Screwworm Fly feeds on the blood of mammals, birds, or other animals.
Is Screwworm Fly dangerous to humans?
The Screwworm Fly is a blood-feeding insect that bites humans and animals. Some blood feeders can transmit diseases. Take precautions to avoid bites.
What is an interesting fact about Screwworm Fly?
The sterile male release program that eradicated it from the US is considered one of the greatest triumphs in pest control history.
Cite This Page
APA:
InsectDiscover. (2026). Screwworm Fly (Cochliomyia hominivorax). Retrieved from https://insectdiscover.com/insect/screwworm-fly
MLA:
"Screwworm Fly." InsectDiscover, https://insectdiscover.com/insect/screwworm-fly.