Photograph of metallic gold on a chrysalis in England

by Stephen Hewitt | Published 30 January 2022

An unidentified chrysalis with metallic gold markings, discovered on a leaf of cultivated horseradish in a vegetable garden in England, 29 September 2021

The photographs here show metallic gold areas on an unidentified chrysalis that was discovered hanging on a leaf in a vegetable garden in England on 29 September 2021. On the chrysalis were three parallel lines of spikes with the metallic gold coloured areas on or between some of the spikes.

It was attached by silk threads to the underside of a horseradish leaf. The detail of the threads is visible in the third photograph. Cultivated plants growing next to the horseradish included chard, cavolo nero and rocket.

The fourth photograph shows the chrysalis apparently unchanged two weeks later.

Side view of a chrysalis with metallic gold markings, in a vegetable garden in England, 29 September 2021
The other side of the chrysalis. A dark patch next to a spike occurs on the same segment on each side. England, 29 September 2021
The same chrysalis in the vegetable garden two weeks later, apparently unchanged. This view shows the metallic gold markings along the back. England, 15 October 2021

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