Caterpillar of a tiger swallowtail butterfly

6672.      Williams Lake, BC. Canada

 

Number 6672.  This is a caterpillar of a tiger swallowtail butterfly (Lepidoptera: Papilionidae; Papilio sp.), possibly that of a Canadian tiger swallowtail, Papilio Canadensis; Click here for an image. Normally green in colour, these caterpillars often assume a brownish hue just prior to pupation..