Jessica Duffy will speak at the March Berkshire Green Drinks event. Duffy will discuss two rare butterfly species found in the Berkshires: the Veined White (Pieris napi oleracea) and the West Virginia White (Pieris virginiensis). She will review the natural history of the butterflies, discussing the plants they rely on and the pressures the Veined White and West Virginia White butterflies face due to two species of parasitoid wasps that were initially released to help combat the invasive Cabbage Butterfly (Pieris rapae). See the Event Website to RSVP.