πŸͺ° Flies

Greenhead Horse Fly

Tabanus nigrovittatus

About Greenhead Horse Fly

A coastal salt marsh horse fly with bright green eyes. It is the most abundant biting fly along the Atlantic coast of North America.

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Did You Know?

Greenheads are so abundant in some coastal areas that they limit beach recreation in summer.

How to Identify Greenhead Horse Fly

Greenhead Horse Fly (Tabanus nigrovittatus) belongs to the order Diptera, family Tabanidae. Adults typically measure 12-15 mm.

Greenhead Horse Fly Habitat

Greenhead Horse Fly is found in beaches & coastal habitats, particularly across Eastern North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Greenhead Horse Fly Diet and Feeding

Greenhead Horse 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 Greenhead Horse Fly Found?

Greenhead Horse Fly can be found in Eastern North America, where it inhabits beaches & coastal environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Greenhead Horse Fly can be found

Is Greenhead Horse Fly Dangerous?

Greenhead Horse 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.

Greenhead Horse Fly Role in Nature

Greenhead Horse Fly plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Greenhead Horse 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

Jan
Feb
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Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Greenhead Horse Fly

What does Greenhead Horse Fly look like?

The Greenhead Horse Fly typically measures 12-15 mm.

Where is Greenhead Horse Fly found?

The Greenhead Horse Fly is found in Eastern North America and typically inhabits beaches & coastal environments.

What does Greenhead Horse Fly eat?

The Greenhead Horse Fly feeds on the blood of mammals, birds, or other animals.

Is Greenhead Horse Fly dangerous to humans?

The Greenhead Horse 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 Greenhead Horse Fly?

Greenheads are so abundant in some coastal areas that they limit beach recreation in summer.

Cite This Page

APA:
InsectDiscover. (2026). Greenhead Horse Fly (Tabanus nigrovittatus). Retrieved from https://insectdiscover.com/insect/greenhead-horse-fly

MLA:
"Greenhead Horse Fly." InsectDiscover, https://insectdiscover.com/insect/greenhead-horse-fly.