Refers to a type of wasp.
La avispona que picó a Juan era especialmente agresiva.
The hornet that stung Juan was particularly aggressive.
Cuidado con la avispona que anida cerca de la ventana, pues puede ser bastante agresiva si se siente amenazada.
Be careful with the hornet that nests near the window, as it can be quite aggressive if it feels threatened.