Final instar larva of a silkmoth is a photograph by Science Photo Library which was uploaded on March 4th, 2014.
Final instar larva of a silkmoth
A final instar larva of the Saturnid moth, Samia cynthia. S. cynthia is a native of Eastern China, where its cocoons are one source of wild silk. It... more
Title
Final instar larva of a silkmoth
Artist
Science Photo Library
Medium
Photograph
Description
A final instar larva of the Saturnid moth, Samia cynthia. S. cynthia is a native of Eastern China, where its cocoons are one source of wild silk. It is now found locally in the wild in Europe and the USA, the result of failed attempts to exploit its silk production. The larva in this picture is growing on privet (Ligustrum vulgare) in captivity. The picture shows the features of the external anatomy of the larva. It is attached to the food plant by means of a pair of terminal claspers (bottom) and four pairs of abdominal false legs. The black dots in a row on the side of the body are spiracles, through which the animal breathes. The prominent protrusions from the top of the body are tubercles. To the top and left of the picture are the three pairs of true (thoracic) legs and the head.
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March 4th, 2014
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