They are also known as window pane butterflies. They come from Central America and are also found from Mexico to Panama.
They are quite common in their zone, but are not easy to find because of their transparent
wings, which is a natural camouflage mechanism.
As delicate as finely blown glass, the presence of this rare tropical gem is used by rain forest ecologists as an indication of high habitat quality. Their demise alerts the ecologists of ecological change.
More funny signs -
At a Tire Shop in Milwaukee : "Invite us to your next blowout."
At a Towing company: "We don't charge an arm and a leg. We want tows."
On an Electrician's truck: "Let us remove your shorts."
In a Non-smoking Area: "If we see smoke, we will assume you are on fire and take appropriate action."