Western Snakefly

Agulla adnixa

About Western Snakefly

A North American snakefly found in western forests and woodlands. Larvae develop under bark of conifers where they hunt bark beetle larvae.

πŸ’‘

Did You Know?

Western snakeflies require a cold winter period to complete development, which is why they are absent from tropical regions.

How to Identify Western Snakefly

Western Snakefly (Agulla adnixa) belongs to the order Raphidioptera, family Raphidiidae. Adults typically measure 12-16 mm.

Western Snakefly Habitat

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

Western Snakefly Diet and Feeding

Western Snakefly is a predatory species that actively hunts and feeds on other insects and small invertebrates. As a predator, it helps control populations of pest species and maintains ecological balance.

Where Is Western Snakefly Found?

Western Snakefly can be found in Western North America, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Western Snakefly can be found

Is Western Snakefly Dangerous?

Western Snakefly 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.

Western Snakefly Role in Nature

Western Snakefly serves as a natural predator, helping to control populations of other insects. Predatory insects are valuable in both natural ecosystems and agriculture, where they reduce the numbers of pest species without the need for chemical pesticides.

Seasonal Activity

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Western Snakefly

What does Western Snakefly look like?

The Western Snakefly typically measures 12-16 mm.

Where is Western Snakefly found?

The Western Snakefly is found in Western North America and typically inhabits woodlands environments.

What does Western Snakefly eat?

The Western Snakefly is a predator that hunts and feeds on other insects and small invertebrates.

Is Western Snakefly dangerous to humans?

The Western Snakefly is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Western Snakefly?

Western snakeflies require a cold winter period to complete development, which is why they are absent from tropical regions.

Cite This Page

APA:
InsectDiscover. (2026). Western Snakefly (Agulla adnixa). Retrieved from https://insectdiscover.com/insect/western-snakefly

MLA:
"Western Snakefly." InsectDiscover, https://insectdiscover.com/insect/western-snakefly.