Most chrysalids are formed in the open and are attached to the surface of a plant (most often that which the caterpillar feeds upon). They spin a silky pad which acts like velcro and allows them to stay firmly attached to the plant. Something else which helps is the set of hooks – called cremaster – that they have at the tip of their abdomen and these are used as an additional ‘fixative’. The process of the caterpillar creating its chrysalis is quite amazing as you can see below.
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