About Giant Bark Aphid
The largest aphid in North America, with a body up to 6 mm long. It is grayish-brown with dark wing markings and feeds in conspicuous colonies on the bark of hardwood trees.
Did You Know?
Colonies on tree bark produce so much honeydew that it rains down onto cars, sidewalks, and outdoor furniture, creating a sticky nuisance in urban areas.
How to Identify Giant Bark Aphid
Giant Bark Aphid (Longistigma caryae) belongs to the order Hemiptera, family Aphididae. Adults typically measure 4-6 mm.
Giant Bark Aphid Habitat
Giant Bark Aphid is found in woodlands habitats, particularly across North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Giant Bark Aphid Diet and Feeding
Giant Bark Aphid feeds on wood and bark, often boring into timber. Wood-feeding insects contribute to the decomposition of dead trees and nutrient cycling in forest ecosystems.
Where Is Giant Bark Aphid Found?
Giant Bark Aphid can be found in North America, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Giant Bark Aphid can be found
Is Giant Bark Aphid Dangerous?
Giant Bark Aphid 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.
Giant Bark Aphid Role in Nature
Giant Bark Aphid is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.
Seasonal Activity
Frequently Asked Questions About Giant Bark Aphid
What does Giant Bark Aphid look like?
The Giant Bark Aphid typically measures 4-6 mm.
Where is Giant Bark Aphid found?
The Giant Bark Aphid is found in North America and typically inhabits woodlands environments.
What does Giant Bark Aphid eat?
The Giant Bark Aphid feeds on wood and bark, often boring into timber.
Is Giant Bark Aphid dangerous to humans?
The Giant Bark Aphid is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Giant Bark Aphid?
Colonies on tree bark produce so much honeydew that it rains down onto cars, sidewalks, and outdoor furniture, creating a sticky nuisance in urban areas.
Cite This Page
APA:
InsectDiscover. (2026). Giant Bark Aphid (Longistigma caryae). Retrieved from https://insectdiscover.com/insect/giant-bark-aphid
MLA:
"Giant Bark Aphid." InsectDiscover, https://insectdiscover.com/insect/giant-bark-aphid.