Large mystery cocoon......

Large mystery cocoon......

Observation - Large mystery cocoon...... - UK and Ireland. Description: One of two identical cocoons found at Llangloffan Fen in Pembs - both found under willow trees. The cocoon was very light and brittle, quite obviously dead. Inside looked to be the remains of a large caterpillar (possibly).

One of two identical cocoons found at Llangloffan Fen in Pembs - both found under willow trees. The cocoon was very light and brittle, quite obviously dead. Inside looked to be the remains of a large caterpillar (possibly).