🧚 Lacewings & Antlions

Pacific Brown Lacewing

Hemerobius pacificus

About Pacific Brown Lacewing

A brown lacewing native to western North America found in coniferous forests. Important natural enemy of hemlock and spruce adelgids.

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Did You Know?

It is being studied as a potential biocontrol agent against the invasive hemlock woolly adelgid.

How to Identify Pacific Brown Lacewing

Pacific Brown Lacewing (Hemerobius pacificus) belongs to the order Neuroptera, family Hemerobiidae. Adults typically measure 10-14 mm wingspan.

Pacific Brown Lacewing Habitat

Pacific Brown Lacewing is found in forests 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.

Pacific Brown Lacewing Diet and Feeding

Pacific Brown Lacewing 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 Pacific Brown Lacewing Found?

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

Distribution Map

Where Pacific Brown Lacewing can be found

Is Pacific Brown Lacewing Dangerous?

Pacific 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.

Pacific Brown Lacewing Role in Nature

Pacific Brown Lacewing 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
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Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Pacific Brown Lacewing

What does Pacific Brown Lacewing look like?

The Pacific Brown Lacewing typically measures 10-14 mm wingspan.

Where is Pacific Brown Lacewing found?

The Pacific Brown Lacewing is found in Western North America and typically inhabits forests environments.

What does Pacific Brown Lacewing eat?

The Pacific Brown Lacewing is a predator that hunts and feeds on other insects and small invertebrates.

Is Pacific Brown Lacewing dangerous to humans?

The Pacific 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 Pacific Brown Lacewing?

It is being studied as a potential biocontrol agent against the invasive hemlock woolly adelgid.

Cite This Page

APA:
InsectDiscover. (2026). Pacific Brown Lacewing (Hemerobius pacificus). Retrieved from https://insectdiscover.com/insect/pacific-brown-lacewing

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