Strange find under construction trailer – Facebook users are puzzled. Insect cocoon, Peruvian round flute or tarantula eggs? A mysterious discovery in Uelzen, Lower Saxony, is puzzling Facebook users.

The finder turns to Dr. Mark Benecke because of the irregular appearance of the found object. “Maybe it’s something for the Facebook community,” is how the criminal biologist quotes the finder's closing words of greeting after a sentence about the location of the discovery.