About Black-Headed Ash Sawfly
A small sawfly whose larvae have distinctive black heads and whitish-green bodies. They feed on the underside of ash leaflets, skeletonizing them.
Did You Know?
This species is often mistaken for moth caterpillars, but like all sawfly larvae, it has more than five pairs of prolegs on its abdomen.
How to Identify Black-Headed Ash Sawfly
Black-Headed Ash Sawfly (Tethida barda) belongs to the order Hymenoptera, family Tenthredinidae. Adults typically measure 6-8 mm.
Black-Headed Ash Sawfly Habitat
Black-Headed Ash Sawfly is found in forests habitats, particularly across Eastern North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Black-Headed Ash Sawfly Diet and Feeding
Black-Headed Ash Sawfly is a herbivore, feeding on plant material including leaves, stems, flowers, and other vegetation. Herbivorous insects play a significant role in ecosystems by influencing plant growth and serving as a food source for predators.
Where Is Black-Headed Ash Sawfly Found?
Black-Headed Ash Sawfly can be found in Eastern North America, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Black-Headed Ash Sawfly can be found
Is Black-Headed Ash Sawfly Dangerous?
Black-Headed Ash Sawfly 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.
Black-Headed Ash Sawfly Role in Nature
Black-Headed Ash Sawfly 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 Black-Headed Ash Sawfly
What does Black-Headed Ash Sawfly look like?
The Black-Headed Ash Sawfly typically measures 6-8 mm.
Where is Black-Headed Ash Sawfly found?
The Black-Headed Ash Sawfly is found in Eastern North America and typically inhabits forests environments.
What does Black-Headed Ash Sawfly eat?
The Black-Headed Ash Sawfly feeds on plant material including leaves, stems, and other vegetation.
Is Black-Headed Ash Sawfly dangerous to humans?
The Black-Headed Ash Sawfly belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.
What is an interesting fact about Black-Headed Ash Sawfly?
This species is often mistaken for moth caterpillars, but like all sawfly larvae, it has more than five pairs of prolegs on its abdomen.
Cite This Page
APA:
InsectDiscover. (2026). Black-Headed Ash Sawfly (Tethida barda). Retrieved from https://insectdiscover.com/insect/black-headed-ash-sawfly
MLA:
"Black-Headed Ash Sawfly." InsectDiscover, https://insectdiscover.com/insect/black-headed-ash-sawfly.