Saxon wasp (Dolichovespula saxonica) with a sticky pollinia on its head after nectaring from a Broad-leaved helleborine (Epipactis helleborine) flower on a woodland margin, Bath and Northeast Somerset, UK, July. This plant produces opioids and alcohol in its nectar which stupefies visiting wasps into bumbling around for a long time to pollinate its flowers.

Saxon wasp (Dolichovespula saxonica) with a sticky pollinia on its head after nectaring from a Broad-leaved helleborine (Epipactis helleborine) flower on a woodland margin, Bath and Northeast Somerset, UK, July. This plant produces opioids and alcohol in its nectar which stupefies visiting wasps into bumbling around for a long time to pollinate its flowers.

Saxon wasp (Dolichovespula saxonica) with a sticky pollinia on its head after nectaring from a Broad-leaved helleborine (Epipactis helleborine) flower on a woodland margin, Bath and Northeast Somerset, UK, July. This plant produces opioids and alcohol in its nectar which stupefies visiting wasps into bumbling around for a long time to pollinate its flowers.