🐝 Ants, Bees & Wasps

Pine False Webworm

Acantholyda erythrocephala

Not Evaluated

About Pine False Webworm

An invasive European sawfly that defoliates pines in North America. Unlike typical sawflies, larvae are solitary and spin silk tubes on branches.

πŸ’‘

Did You Know?

Larvae feed inside silken tubes spun among the needles, unlike the gregarious feeding of most pine sawflies.

How to Identify Pine False Webworm

Pine False Webworm (Acantholyda erythrocephala) belongs to the order Hymenoptera, family Pamphiliidae. Adults typically measure 10-15 mm (adult).

Pine False Webworm Habitat

Pine False Webworm is found in farmland habitats, particularly across Europe, North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Pine False Webworm Diet and Feeding

Pine False Webworm 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 Pine False Webworm Found?

Pine False Webworm can be found in Europe, North America, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Pine False Webworm can be found

Is Pine False Webworm Dangerous?

Pine False Webworm belongs to the order Hymenoptera, which includes many stinging insects. While not typically aggressive, it may sting if threatened or handled. Stings can cause pain and swelling, and in rare cases may trigger allergic reactions in sensitive individuals.

Pine False Webworm Role in Nature

Pine False Webworm plays a role in its ecosystem as part of the food web, serving as both consumer and prey. Insects like Pine False Webworm 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 Pine False Webworm

What does Pine False Webworm look like?

The Pine False Webworm typically measures 10-15 mm (adult).

Where is Pine False Webworm found?

The Pine False Webworm is found in Europe, North America and typically inhabits farmland environments.

What does Pine False Webworm eat?

The Pine False Webworm has an omnivorous diet, feeding on both plant and animal matter.

Is Pine False Webworm dangerous to humans?

The Pine False Webworm belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.

Is Pine False Webworm endangered?

The Pine False Webworm is currently classified as Not Evaluated by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.

What is an interesting fact about Pine False Webworm?

Larvae feed inside silken tubes spun among the needles, unlike the gregarious feeding of most pine sawflies.

Cite This Page

APA:
InsectDiscover. (2026). Pine False Webworm (Acantholyda erythrocephala). Retrieved from https://insectdiscover.com/insect/pine-false-webworm

MLA:
"Pine False Webworm." InsectDiscover, https://insectdiscover.com/insect/pine-false-webworm.