🧚 Lacewings & Antlions

Fimble Brown Lacewing

Hemerobius fenestratus

About Fimble Brown Lacewing

A small brown lacewing with fenestrate wing markings found in boreal forests. Associated with spruce and birch in northern latitudes.

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Did You Know?

It is one of the most cold-tolerant brown lacewings, found well into the subarctic zone.

How to Identify Fimble Brown Lacewing

Fimble Brown Lacewing (Hemerobius fenestratus) belongs to the order Neuroptera, family Hemerobiidae. Adults typically measure 8-12 mm wingspan.

Fimble Brown Lacewing Habitat

Fimble Brown Lacewing is found in forests habitats, particularly across Northern Europe, Scandinavia, Russia. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Fimble Brown Lacewing Diet and Feeding

Fimble Brown Lacewing 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 Fimble Brown Lacewing Found?

Fimble Brown Lacewing can be found in Northern Europe, Scandinavia, Russia, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Fimble Brown Lacewing can be found

Is Fimble Brown Lacewing Dangerous?

Fimble Brown Lacewing 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.

Fimble Brown Lacewing Role in Nature

Fimble Brown Lacewing plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Fimble Brown Lacewing are a vital food source for birds, bats, and other wildlife, and contribute to the overall health and balance of their environment.

Seasonal Activity

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Peak activity Moderate Low / dormant

Frequently Asked Questions About Fimble Brown Lacewing

What does Fimble Brown Lacewing look like?

The Fimble Brown Lacewing typically measures 8-12 mm wingspan.

Where is Fimble Brown Lacewing found?

The Fimble Brown Lacewing is found in Northern Europe, Scandinavia, Russia and typically inhabits forests environments.

What does Fimble Brown Lacewing eat?

The Fimble Brown Lacewing has an omnivorous diet, feeding on both plant and animal matter.

Is Fimble Brown Lacewing dangerous to humans?

The Fimble Brown Lacewing is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Fimble Brown Lacewing?

It is one of the most cold-tolerant brown lacewings, found well into the subarctic zone.

Cite This Page

APA:
InsectDiscover. (2026). Fimble Brown Lacewing (Hemerobius fenestratus). Retrieved from https://insectdiscover.com/insect/fimble-brown-lacewing

MLA:
"Fimble Brown Lacewing." InsectDiscover, https://insectdiscover.com/insect/fimble-brown-lacewing.