Locust Borer

About Locust Borer

A striking yellow-and-black wasp mimic that attacks black locust trees in North America. Adults appear in autumn and are commonly found on goldenrod flowers. Larval boring weakens locust trunks and can cause breakage.

How to Identify Locust Borer

Locust Borer (Megacyllene robiniae) belongs to the order Coleoptera, family Cerambycidae. Adults typically measure 14-22 mm.

Locust Borer Habitat

Locust Borer is found in farmland habitats, particularly across Eastern and Central North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Locust Borer Diet and Feeding

Locust Borer feeds on pollen collected from flowers. As a pollen feeder, it plays a role in pollination, helping to fertilise plants as it moves from flower to flower.

Where Is Locust Borer Found?

Locust Borer can be found in Eastern and Central North America, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Is Locust Borer Dangerous?

Locust Borer 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.

Locust Borer Role in Nature

Locust Borer plays an important role as a pollinator. By visiting flowers to feed on nectar or pollen, it transfers pollen between plants, aiding in reproduction and helping to maintain plant diversity. Pollinators are essential for the production of many fruits, vegetables, and wildflowers.

Seasonal Activity