![The faint trail of dust left by a Duke of Burgundy caterpillar as it walked along the centre of a primrose leaf. Let’s hope one of these trails will lead us to a pupa!]](https://www.zoo.cam.ac.uk/sites/default/files/media/7_duke_of_burgundy_uv_trail.jpeg)
Title Text:
The faint trail of dust left by a Duke of Burgundy caterpillar as it walked along the centre of a primrose leaf. Let’s hope one of these trails will lead us to a pupa!]
Department of Zoology
University of Cambridge
Downing St
Cambridge
CB2 3EJ
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