πŸͺ° Flies

Northern Black Fly

Simulium venustum

About Northern Black Fly

A common biting black fly of northern forests and boreal streams. Larvae form dense colonies on submerged rocks in cold flowing water.

πŸ’‘

Did You Know?

Females can detect carbon dioxide exhaled by hosts from over 20 meters away.

How to Identify Northern Black Fly

Northern Black Fly (Simulium venustum) belongs to the order Diptera, family Simuliidae. Adults typically measure 2-4 mm.

Northern Black Fly Habitat

Northern Black Fly is found in forests habitats, particularly across North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Northern Black Fly Diet and Feeding

Northern Black Fly has an omnivorous diet, feeding on both plant and animal matter. This dietary flexibility allows it to exploit a wide range of food sources in its environment.

Where Is Northern Black Fly Found?

Northern Black Fly can be found in North America, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Northern Black Fly can be found

Is Northern Black Fly Dangerous?

Northern Black Fly is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Northern Black Fly Role in Nature

Northern Black Fly plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Northern Black 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
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Northern Black Fly

What does Northern Black Fly look like?

The Northern Black Fly typically measures 2-4 mm.

Where is Northern Black Fly found?

The Northern Black Fly is found in North America and typically inhabits forests environments.

What does Northern Black Fly eat?

The Northern Black Fly has an omnivorous diet, feeding on both plant and animal matter.

Is Northern Black Fly dangerous to humans?

The Northern Black Fly is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Northern Black Fly?

Females can detect carbon dioxide exhaled by hosts from over 20 meters away.

Cite This Page

APA:
InsectDiscover. (2026). Northern Black Fly (Simulium venustum). Retrieved from https://insectdiscover.com/insect/northern-black-fly

MLA:
"Northern Black Fly." InsectDiscover, https://insectdiscover.com/insect/northern-black-fly.